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Original Articles

Pain & Musculoskeletal rehabilitation

Changes in Health-Related Quality of Life by Patient Education and Rehabilitation Based on a Behavior Change Program in Knee Osteoarthritis
Takako Nagai, Hiroshi Uei, Kazuyoshi Nakanishi
Ann Rehabil Med 2024;48(3):211-219.   Published online June 19, 2024
DOI: https://doi.org/10.5535/arm.240010
Objective
The purpose of this study was to examine how rehabilitation and patient education for knee osteoarthritis improves health-related quality of life (HRQOL) and to identify factors influencing HRQOL.
Methods
Between May 2020 and March 2022, 30 patients with osteoarthritis of the knee were treated conservatively and rehabilitated with a patient education program. The patient education program was based on the health belief model by Sedlak et al., and patient education using pamphlets was provided during the rehabilitation intervention. The survey items were patient basic information, instrumental activities of daily living (ADL) (FAI), fear of falling (FES), degree of depression (GDS), HRQOL (SF-8), knee function assessment (JOA score), and X-ray classification (K-L classification), and the survey method was a self-administered questionnaire at the start of rehabilitation, 1 month after the intervention, and at the end of the rehabilitation intervention. We examined factors affecting the physical component summary (PCS) and mental component summary (MCS) of HRQOL scores.
Results
JOA score, FES, FAI, GDS, and SF-8 improved significantly (p<0.01). MCS was also negatively correlated with FES and age (r=-0.486, -0.368). Sex was extracted as a factor for PCS as a factor affecting HRQOL (p<0.01). MCS was extracted with FES as a factor (p=0.046).
Conclusion
A rehabilitation intervention incorporating patient education in osteoarthritis of the knee showed improvement in HRQOL and may be useful for improving depression, fear of falling, and instrumental ADL.

Citations

Citations to this article as recorded by  
  • Effectiveness of 6 weeks individual rehabilitation on the functionality and quality of life in patients with bilateral gonarthrosis
    Amanda Maria Kostro, Anna Kuryliszyn-Moskal, Anna Hryniewicz, Artur Augustynik, Janusz Dzięcioł, Zofia Dzięcioł-Anikiej
    Acta Balneologica.2025; 67(1): 15.     CrossRef
  • 3,067 View
  • 76 Download
  • 1 Crossref

Pain & Musculoskeletal rehabilitation

Preclinical Study of Dual-Wavelength Light-Emitting Diode Therapy in an Osteoarthritis Rat Model
Won Woo Choi, Sung Hoon Kim, Ji Hyun Kim, Kyungmin Kim, Sun Jung Kim, Minwoo Kim, Han-Sung Kim, Hana Lee, Ji Yong Lee, Sang Yeol Yong
Ann Rehabil Med 2023;47(6):483-492.   Published online December 6, 2023
DOI: https://doi.org/10.5535/arm.23138
Objective
To evaluate the efficacy of light-emitting diode (LED) and their dual-wavelengths as a treatment strategy for osteoarthritis.
Methods
We induced osteoarthritis in male Sprague-Dawley rats by intra-articular injection of sodium iodoacetate into the right rear knee joint. The animals with lesions were divided into an untreated group and an LED-treated group (n=7 each). In the LED-treated group, the lesioned knee was irradiated with lasers (850 and 940 nm) and dose (3.15 J/cm2) for 20 minutes per session, twice a week for 4 weeks. Knee joint tissues were stained and scanned using an in vivo micro-computed tomography (CT) scanner. Serum interleukin (IL)-6 and IL-18 levels were determined using enzyme-linked immuno-sorbent assay. Several functional tests (lines crossed, rotational movement, rearing, and latency to remain rotating rod) were performed 24 hours before LED treatment and at 7, 14, 21, and 28 days after treatment.
Results
LED-treated rats showed improved locomotor function and suppressed matrix-degrading cytokines. Micro-CT images indicated that LED therapy had a preserving effect on cartilage and cortical bone.
Conclusion
LED treatment using wavelengths of 850 and 940 nm resulted in significant functional, anatomical, and histologic improvements without adverse events in a rat model. Further research is required to determine the optimal wavelength, duration, and combination method, which will maximize treatment effectiveness.

Citations

Citations to this article as recorded by  
  • Photobiomodulation Literature Watch December 2023
    James D. Carroll
    Photobiomodulation, Photomedicine, and Laser Surgery.2024; 42(10): 660.     CrossRef
  • 2,637 View
  • 87 Download
  • 1 Crossref
Novel Method of Classification in Knee Osteoarthritis: Machine Learning Application Versus Logistic Regression Model
Jung Ho Yang, Jae Hyeon Park, Seong-Ho Jang, Jaesung Cho
Ann Rehabil Med 2020;44(6):415-427.   Published online December 31, 2020
DOI: https://doi.org/10.5535/arm.20071
Objective
To present new classification methods of knee osteoarthritis (KOA) using machine learning and compare its performance with conventional statistical methods as classification techniques using machine learning have recently been developed.
Methods
A total of 84 KOA patients and 97 normal participants were recruited. KOA patients were clustered into three groups according to the Kellgren-Lawrence (K-L) grading system. All subjects completed gait trials under the same experimental conditions. Machine learning-based classification using the support vector machine (SVM) classifier was performed to classify KOA patients and the severity of KOA. Logistic regression analysis was also performed to compare the results in classifying KOA patients with machine learning method.
Results
In the classification between KOA patients and normal subjects, the accuracy of classification was higher in machine learning method than in logistic regression analysis. In the classification of KOA severity, accuracy was enhanced through the feature selection process in the machine learning method. The most significant gait feature for classification was flexion and extension of the knee in the swing phase in the machine learning method.
Conclusion
The machine learning method is thought to be a new approach to complement conventional logistic regression analysis in the classification of KOA patients. It can be clinically used for diagnosis and gait correction of KOA patients.

Citations

Citations to this article as recorded by  
  • Comparing prediction accuracy for 30-day readmission following primary total knee arthroplasty: the ACS-NSQIP risk calculator versus a novel artificial neural network model
    Anirudh Buddhiraju, Michelle Riyo Shimizu, Tony Lin-Wei Chen, Henry Hojoon Seo, Blake M. Bacevich, Pengwei Xiao, Young-Min Kwon
    Knee Surgery & Related Research.2025;[Epub]     CrossRef
  • Vision-based approach to knee osteoarthritis and Parkinson’s disease detection utilizing human gait patterns
    Zeeshan Ali, Jihoon Moon, Saira Gillani, Sitara Afzal, Muazzam Maqsood, Seungmin Rho
    PeerJ Computer Science.2025; 11: e2857.     CrossRef
  • A Review of Neuro-ML Breakthroughs in Addressing Neurological Disorders
    Cosmina-Mihaela Rosca, Adrian Stancu
    Applied Sciences.2025; 15(10): 5442.     CrossRef
  • CERAD-NAB and flexible battery based neuropsychological differentiation of Alzheimer’s dementia and depression using machine learning approaches
    Clara Dominke, Alina Maria Fischer, Timo Grimmer, Janine Diehl-Schmid, Thomas Jahn
    Aging, Neuropsychology, and Cognition.2024; 31(2): 221.     CrossRef
  • Detection of knee osteoarthritis based on recurrence quantification analysis, fuzzy entropy and shallow classifiers
    Wei Zeng, Limin Ma, Yu Zhang
    Multimedia Tools and Applications.2024; 83(4): 11977.     CrossRef
  • DETECTION OF KNEE OSTEOARTHRITIS BASED ON CENTER OF PRESSURE DATA AND THE BAT ALGORITHM
    MAHRAD POURYOSEF MIANDOAB, MOHAMMED N. ASHTIANI, ROOZBEH ABEDINI-NASSAB, SEYED MOHAMMAD REZA AKRAMI
    Journal of Mechanics in Medicine and Biology.2024;[Epub]     CrossRef
  • Inertial measurement unit sensor-based gait analysis in adults and older adults: A cross-sectional study
    Dong Hyun Yoon, Jeong-Hyun Kim, Kyuwon Lee, Jae-Sung Cho, Seong-Ho Jang, Shi-Uk Lee
    Gait & Posture.2024; 107: 212.     CrossRef
  • Classification of inertial sensor‐based gait patterns of orthopaedic conditions using machine learning: A pilot study
    Constanze Dammeyer, Corina Nüesch, Rosa M. S. Visscher, Yong K. Kim, Petros Ismailidis, Matthias Wittauer, Karl Stoffel, Yves Acklin, Christian Egloff, Cordula Netzer, Annegret Mündermann
    Journal of Orthopaedic Research.2024; 42(7): 1463.     CrossRef
  • Gait classification of knee osteoarthritis patients using shoe-embedded internal measurement units sensor
    Ahmed Raza, Yusuke Sekiguchi, Haruki Yaguchi, Keita Honda, Kenichiro Fukushi, Chenhui Huang, Kazuki Ihara, Yoshitaka Nozaki, Kentaro Nakahara, Shin-Ichi Izumi, Satoru Ebihara
    Clinical Biomechanics.2024; 117: 106285.     CrossRef
  • Explainable Deep-Learning-Based Gait Analysis of Hip–Knee Cyclogram for the Prediction of Adolescent Idiopathic Scoliosis Progression
    Yong-Gyun Kim, Sungjoon Kim, Jae Hyeon Park, Seung Yang, Minkyu Jang, Yeo Joon Yun, Jae-sung Cho, Sungmin You, Seong-Ho Jang
    Sensors.2024; 24(14): 4504.     CrossRef
  • Smartphone IMU Sensors for Human Identification through Hip Joint Angle Analysis
    Rabé Andersson, Javier Bermejo-García, Rafael Agujetas, Mikael Cronhjort, José Chilo
    Sensors.2024; 24(15): 4769.     CrossRef
  • Integrative approach to pedobarography and pelvis-trunk motion for knee osteoarthritis detection and exploration of non-radiographic rehabilitation monitoring
    Arnab Sarmah, Lipika Boruah, Satoshi Ito, Subramani Kanagaraj
    Frontiers in Bioengineering and Biotechnology.2024;[Epub]     CrossRef
  • Markerless vision-based knee osteoarthritis classification using machine learning and gait videos
    Slim Ben Hassine, Ala Balti, Sabeur Abid, Mohamed Moncef Ben Khelifa, Mounir Sayadi
    Frontiers in Signal Processing.2024;[Epub]     CrossRef
  • Machine learning-based detection of cervical spondylotic myelopathy using multiple gait parameters
    Xinyu Ji, Wei Zeng, Qihang Dai, Yuyan Zhang, Shaoyi Du, Bing Ji
    Biomimetic Intelligence and Robotics.2023; 3(2): 100103.     CrossRef
  • Assessment of blood flow around the knee joint in patients with knee osteoarthritis by color Doppler ultrasound
    Jianan Wu, Ying Li, Xiao Zhang, Jing Liu, Zhihui Qian, Peng Ren, Ruixia Xu, Lei Ren, Luquan Ren
    European Journal of Radiology.2023; 166: 111005.     CrossRef
  • Analysis and classification of gait patterns in osteoarthritic and asymptomatic knees using phase space reconstruction, intrinsic time-scale decomposition and neural networks
    Wei Zeng, Limin Ma, Yu Zhang
    Multimedia Tools and Applications.2023; 83(7): 21107.     CrossRef
  • Precision oncology: Artificial intelligence, circulating cell‐free DNA, and the minimally invasive detection of pancreatic cancer—A pilot study
    Ray O. Bahado‐Singh, Onur Turkoglu, Buket Aydas, Sangeetha Vishweswaraiah
    Cancer Medicine.2023; 12(19): 19644.     CrossRef
  • Design and development of foot worn piezoresistive sensor for knee pain analysis with supervised machine learning algorithms based on gait pattern
    M. Arumugaraja, B. Padmapriya, S. Poornachandra
    Measurement.2022; 200: 111603.     CrossRef
  • Analysis of Gait Characteristics Using Hip-Knee Cyclograms in Patients with Hemiplegic Stroke
    Ho Seok Lee, Hokyoung Ryu, Shi-Uk Lee, Jae-sung Cho, Sungmin You, Jae Hyeon Park, Seong-Ho Jang
    Sensors.2021; 21(22): 7685.     CrossRef
  • 8,193 View
  • 223 Download
  • 20 Web of Science
  • 19 Crossref
Functional Outcomes After Critical Pathway for Inpatient Rehabilitation of Total Knee Arthroplasty
Jong Hyun Kim, Bo Ryun Kim, Sang Rim Kim, Eun Young Han, Kwang Woo Nam, So Young Lee, Won Bin Kim
Ann Rehabil Med 2019;43(6):650-661.   Published online December 31, 2019
DOI: https://doi.org/10.5535/arm.2019.43.6.650
Objective
To investigate functional outcomes after the application of a critical pathway for inpatient rehabilitation of total knee arthroplasty (TKA).
Methods
A total of 184 patients (57 males and 127 females; average age, 71.5±5.9 years) who underwent unilateral or bilateral TKA were included. The critical pathway included early, intensive individualized rehabilitation exercises. Patients completed the following performance-based physical function tests: the stair climbing test (SCT), 6-minute walk test (6MWT), and Timed Up and Go test (TUG) as well as measurement of isometric knee flexor and extensor strength of the operated knee, gait speed, and range of knee flexion and extension. Self-reported physical function and pain were measured using the Western Ontario McMaster Universities Osteoarthritis Index (WOMAC) and visual analog scale (VAS), respectively, and self-reported quality of life was measured using the EuroQoL 5 dimension (EQ-5D) questionnaire. These evaluations were performed preoperatively and at 1 month and 3 months postoperatively.
Results
Performance-based and self-reported physical function and quality of life measures improved nonlinearly over time. Specifically, the 6WMT, TUG, gait speed, WOMAC-pain, WOMAC-function, VAS, and EQ-5D scores showed a significant improvement at 1-month post-TKA, whereas SCT, peak torque of the knee extensors and flexors, and WOMAC-stiffness scores showed gradual, but substantial, improvements over 3 months. There were between-group differences (unilateral and bilateral TKA groups) in the time course of the SCT, 6MWT, TUG, VAS, WOAMC-stiffness, and WOMAC-function results.
Conclusion
Patients who underwent critical pathway rehabilitation after TKA showed significant improvements in functional measurements during the first 3 months post-surgery.

Citations

Citations to this article as recorded by  
  • Exercise with blood flow restriction among adults undergoing total knee arthroplasty: A scoping review
    Nelson Viscay-Sanhueza, Cristian Curilem Gatica, Carlos Bahamondes-Avila
    Journal of Bodywork and Movement Therapies.2025; 42: 665.     CrossRef
  • The effect of preoperative education on fear of first mobilization experienced after total knee arthroplasty in individuals
    Ayşegül Kaya İmrek, Meryem Yilmaz
    International Journal of Orthopaedic and Trauma Nursing.2025; 57: 101189.     CrossRef
  • Recovery of gait speed and timed up and go test in three weeks after total knee arthroplasty
    Akira Iwata, Yuki Sano, Hideyuki Wanaka, Shingo Kobayashi, Kensuke Okamoto, Jun Yamahara, Masaki Inaba, Yuya Konishi, Junji Inoue, Atsuki Kanayama, Saki Yamamoto, Hiroshi Iwata
    European Journal of Physiotherapy.2024; 26(5): 256.     CrossRef
  • The real results of total knee arthroplasty in moderate-to-severe osteoarthritis: a 1-year cohort study
    André F. CANELAS, Paulo C. ARAÚJO, Raquel P. FONSECA, José B. FERREIRA, Simão E. SERRANO, Maria L. LUÍS, Filipa S. JANUÁRIO, Ana M. BÁRTOLO
    Minerva Orthopedics.2022;[Epub]     CrossRef
  • Establishment of a qualified integrated care system after total knee arthroplasty as a role of regional rheumatoid and degenerative arthritis centers
    Eun Young Han, Sang Rim Kim, Kye Hee Cho, Sang Hee Im
    BMC Geriatrics.2022;[Epub]     CrossRef
  • Comparison of simultaneous bilateral versus unilateral total knee replacement on pain levels and functional recovery
    Ahmad H. Alghadir, Zaheen A. Iqbal, Shahnawaz Anwer, Dilshad Anwar
    BMC Musculoskeletal Disorders.2020;[Epub]     CrossRef
  • Physical Performance Correlates with Self-Reported Physical Function and Quality of Life in Patients at 3 Months after Total Knee Arthroplasty
    Jun Hwan Choi, Bo Ryun Kim, Sang Rim Kim, Kwang Woo Nam, So Young Lee, Won Bin Kim, Youn Ji Kim
    Annals of Geriatric Medicine and Research.2020; 24(2): 99.     CrossRef
  • 8,590 View
  • 234 Download
  • 8 Web of Science
  • 7 Crossref
Efficacy and Safety of Intra-articular Injections of Hyaluronic Acid Combined With Polydeoxyribonucleotide in the Treatment of Knee Osteoarthritis
Seihee Yoon, Jung Joong Kang, Jungin Kim, Seunghun Park, Jong Moon Kim
Ann Rehabil Med 2019;43(2):204-214.   Published online April 30, 2019
DOI: https://doi.org/10.5535/arm.2019.43.2.204
Objective
To assess the clinical efficacy and safety of intra-articular injection of hyaluronic acid (HA) combined with polydeoxyribonucleotide (PDRN) in patients with knee osteoarthritis in comparison with that of HA alone.
Methods
The current single-center, prospective, randomized, double-blind, controlled study was conducted in 36 patients with knee osteoarthritis at our medical institution. All the eligible patients (n=30) were equally assigned to two treatment arms (trial group ‘HA+PDRN’ and control group ‘HA’). For efficacy assessment, the patients were evaluated for the visual analogue scale (VAS) scores, the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) and the Knee Society Scores (KSS), all of which served as efficacy outcome measures. We monitored time-dependent changes in efficacy outcome measures at baseline and 1, 3 and 6 months. Subsequently, we compared differences in changes in efficacy outcome measures at 6 months from baseline between the two groups. Moreover, we assessed the safety based on the treatment-emergent adverse events (TEAEs), adverse drug reactions (ADRs) and any other complications serving as safety outcome measures.
Results
There were significant differences in changes in the VAS scores, the WOMAC scores in all domains, except ‘Stiffness’, the total WOMAC scores, and the KSS scores in all the domains at 6 months from baseline between the two groups (p<0.05). In our series, there were no TEAEs, ADRs, and any other complications.
Conclusion
Intra-articular injections of HA combined with PDRN can also be considered in the treatment of knee osteoarthritis. However, further large-scale and multi-center studies are required to demonstrate the potential of the proposed combination.

Citations

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  • Emerging wound-healing injectable polydeoxyribonucleotide: potential as a prohibited doping method and its simple detection via CRISPR/Cas12a system
    Joon-Yeop Yi, Sanghwa Park, Minyoung Kim, Yujin Jeong, HyunA Shin, Yeojeong Cho, Mijin Jeon, Min-Kyu Oh, Changmin Sung
    International Journal of Biological Macromolecules.2025; 309: 142999.     CrossRef
  • Polydeoxyribonucleotide as a Regenerative Agent in Dermatology and Wound Healing: Mechanisms, Clinical Applications, and Safety
    Gi Young Park, Byeong-Churl Jang
    Keimyung Medical Journal.2025; 44(1): 9.     CrossRef
  • Points to ponder on the role of polynucleotides in regenerative and aesthetic medicine: a systematic review
    William Richard Webb, Eqram Rahman, Parinitha Rao, Hany Niamey Abu-Farsakh, Nanze Yu, Patricia E. Garcia, Sotirios Ioannidis, Karim Sayed, Elias Tam, Wolfgang G. Philipp-Dormston, Mohammad Najlah, Zakia Rahman, Jean D. A. Carruthers, Ash Mosahebi
    European Journal of Plastic Surgery.2024;[Epub]     CrossRef
  • An injectable hyaluronic acid-Polydeoxyribonucleotides (HA-PDRN) crosslinked hydrogel as a dermal filler
    Guo jiahong, Fang wei, Wang feifei
    European Polymer Journal.2024; 219: 113395.     CrossRef
  • Recent advances on polydeoxyribonucleotide extraction and its novel application in cosmeceuticals
    Thi Hanh Nguyen, San-Lang Wang, Van Bon Nguyen
    International Journal of Biological Macromolecules.2024; 282: 137051.     CrossRef
  • Injectable “Skin Boosters” in Aging Skin Rejuvenation: A Current Overview
    Nark-Kyoung Rho, Hyun-Seok Kim, Soo-Young Kim, Won Lee
    Archives of Plastic Surgery.2024; 51(06): 528.     CrossRef
  • Clinical Updates in Polydeoxyribonucleotide Injection
    Tae-Yeong Kim, Yong-Tae Kim, Jung-Taek Hwang
    Journal of the Korean Orthopaedic Association.2024; 59(6): 386.     CrossRef
  • Pseudoseptic Reaction to an Intra-Articular Polydeoxyribonucleotide Injection into the Ankle: A Case Report
    Seungcheol Yu, Hangaram Kim, Youngwoong Choi, Jeongsoo Kim
    International journal of Pain.2024; 15(2): 106.     CrossRef
  • Intra-articular injections of polynucleotides for joint preconditioning before the injections of bionic cross-link hyaluronic acid. Case report
    Irina S. Svintsitskaya, Konstantin Yu. Volkov, Aleksei Chetaikin Storm
    Terapevticheskii arkhiv.2024; 96(12): 1238.     CrossRef
  • Therapeutic effects of polydeoxyribonucleotide in an in vitro neuronal model of ischemia/reperfusion injury
    Seongmoon Jo, Ahreum Baek, Yoonhee Cho, Sung Hoon Kim, Dawoon Baek, Jihye Hwang, Sung-Rae Cho, Hyun Jung Kim
    Scientific Reports.2023;[Epub]     CrossRef
  • Skin boosters – The upcoming boom in cosmetic dermatology for healthy skin
    Maya Vedamurthy, Vaishnavi Duvvuru, Vijaya Lakshmi Chelikani
    Cosmoderma.2023; 3: 82.     CrossRef
  • Role and Effectiveness of Intra-articular Injection of Hyaluronic Acid in the Treatment of Knee Osteoarthritis: A Systematic Review
    Sumant Chavda, Syed Arman Rabbani, Tarun Wadhwa
    Cureus.2022;[Epub]     CrossRef
  • Polydeoxyribonucleotide: A promising skin anti-aging agent
    Aawrish Khan, Guobao Wang, Feng Zhou, Lunli Gong, Jun Zhang, Lili Qi, Haiyan Cui
    Chinese Journal of Plastic and Reconstructive Surgery.2022; 4(4): 187.     CrossRef
  • Adenosine A2A receptor agonist polydeoxyribonucleotide ameliorates short-term memory impairment by suppressing cerebral ischemia-induced inflammation via MAPK pathway
    Il-Gyu Ko, Jun-Jang Jin, Lakkyong Hwang, Sang-Hoon Kim, Chang-Ju Kim, Jung Won Jeon, Jun-Young Chung, Jin Hee Han, Giuseppe Pignataro
    PLOS ONE.2021; 16(3): e0248689.     CrossRef
  • Applications of Marine Organism-Derived Polydeoxyribonucleotide: Its Potential in Biomedical Engineering
    Tae-Hee Kim, Seong-Yeong Heo, Gun-Woo Oh, Soo-Jin Heo, Won-Kyo Jung
    Marine Drugs.2021; 19(6): 296.     CrossRef
  • Mesenchymal Stem Cells Use in the Treatment of Tendon Disorders: A Systematic Review and Meta-Analysis of Prospective Clinical Studies
    Woo Sup Cho, Sun Gun Chung, Won Kim, Chris H. Jo, Shi-Uk Lee, Sang Yoon Lee
    Annals of Rehabilitation Medicine.2021; 45(4): 274.     CrossRef
  • Viscosupplementation in the Therapy for Osteoarthritic Knee
    Junghyun Park, Hue Jung Park, Min Cheol Rho, Jin Joo
    Applied Sciences.2021; 11(24): 11621.     CrossRef
  • A Comprehensive Review of Viscosupplementation in Osteoarthritis of the Knee
    Jacquelin Peck, Annabel Slovek, Paulo Miro, Neeraj Vij, Blake Traube, Christopher Lee, Amnon A. Berger, Hisham Kassem, Alan D. Kaye, William F. Sherman, Alaa Abd-Elsayed
    Orthopedic Reviews.2021;[Epub]     CrossRef
  • Polydeoxyribonucleotide Regulation of Inflammation
    Maria Teresa Colangelo, Carlo Galli, Stefano Guizzardi
    Advances in Wound Care.2020; 9(10): 576.     CrossRef
  • The efficacy and safety of polydeoxyribonucleotide for the treatment of knee osteoarthritis
    Man Soo Kim, Ryu Kyoung Cho, Yong In
    Medicine.2019; 98(39): e17386.     CrossRef
  • 12,705 View
  • 489 Download
  • 15 Web of Science
  • 20 Crossref
Influence of Hip Fracture on Knee Pain During Postoperative Rehabilitation
Hee-Ju Kim, Seong Jae Lee, Jung Keun Hyun, Seo-Young Kim, Tae Uk Kim
Ann Rehabil Med 2018;42(5):682-689.   Published online October 31, 2018
DOI: https://doi.org/10.5535/arm.2018.42.5.682
Objective
To investigate whether fracture type, surgical procedure, or fracture grade affect knee pain during postoperative rehabilitation after a hip fracture.
Methods
We conducted a retrospective case-controlled study of 139 patients during postoperative rehabilitation after surgery for hip fractures. Patients were divided into two groups: patients experiencing knee pain during the first week of postoperative rehabilitation, and patients without knee pain. We compared the types of fracture, surgical procedure, and fracture grade between the two groups.
Results
We enrolled 52 patients (37.4%) with knee pain during the first weeks of postoperative rehabilitation. For type of fracture, knee pain was more common with intertrochanteric fracture than with femur neck fracture (48.8% vs. 21.1%, respectively; p=0.001). For the surgical procedure, there was no significant difference between the groups. For the fracture grade, the grades classified as unstable fractures were more common in the group of intertrochanteric fracture patients with knee pain than in those without knee pain (74.1% vs. 36.4%, respectively; p=0.002).
Conclusion
Intertrochanteric fracture affected knee pain after hip fracture surgery more than did femur neck fracture, particularly in unstable fractures. Furthermore, there was no difference in each fracture type according to the surgical procedure. Careful examination and management for knee pain is needed in patients with hip fracture surgery.

Citations

Citations to this article as recorded by  
  • High Prevalence of Symptomatic Knee Osteoarthritis Among Patients Who Have Fragility Hip Fractures
    Korawish Mekariya, Ekasame Vanitcharoenkul, Pojchong Chotiyarnwong, Nath Adulkasem, Aasis Unnanuntana
    The Journal of Arthroplasty.2025;[Epub]     CrossRef
  • Post-hip fracture knee pain in older adults: a narrative review
    Yoichi Kaizu, Kazuhiro Miyata
    Aging Advances.2025; 2(2): 62.     CrossRef
  • Post‐hip‐fracture knee pain in older adults prolongs their hospital stays: A retrospective analysis using propensity score matching
    Yoichi Kaizu, Kazuhiro Miyata, Hironori Arii
    Physiotherapy Research International.2024;[Epub]     CrossRef
  • Predictors of post‐hip fracture knee pain in hospitalized older adults with intertrochanteric femoral fracture
    Yoichi Kaizu, Kazuhiro Miyata, Hironori Arii
    PM&R.2023; 15(5): 563.     CrossRef
  • Femoral morphology is associated with development of knee pain after hip fracture injury among older adults: A nine-year retrospective study
    Yoichi Kaizu, Kazuhiro Miyata, Hironori Arii, Masayuki Tazawa, Takehiko Yamaji
    Journal of Orthopaedics.2021; 24: 190.     CrossRef
  • Inpatient knee pain after hip fracture surgery affects gait speed in older adults: A retrospective chart‐referenced study
    Yoichi Kaizu, Kazuhiro Miyata, Hironori Arii, Takehiko Yamaji
    Geriatrics & Gerontology International.2021; 21(9): 830.     CrossRef
  • Thirty-Day Readmission After Radical Gastrectomy for Gastric Cancer: A Meta-analysis
    Zhang Dan, Deng YiNan, Yang ZengXi, Wang XiChen, Pan JieBin, Yin LanNing
    Journal of Surgical Research.2019; 243: 180.     CrossRef
  • 7,173 View
  • 169 Download
  • 5 Web of Science
  • 7 Crossref
Reference Value for Infrapatellar Branch of Saphenous Nerve Conduction Study: Cadaveric and Clinical Study
Keon-tae Kim, Yong-ki Kim, Jung Ro Yoon, Yundam Ko, Myung Eun Chung
Ann Rehabil Med 2018;42(2):321-328.   Published online April 30, 2018
DOI: https://doi.org/10.5535/arm.2018.42.2.321
Objective

To determine the optimal stimulation and recording site for infrapatellar branch of saphenous nerve (IPBSN) conduction studies by a cadaveric study, and to confirm that obtained location is practically applicable to healthy adults.

Methods

Twelve lower limbs from six cadavers were studied. We defined the optimal stimulation site as the point IPBSN exits the sartorius muscle and the distance or ratio were measured on the X- and Y-axis based on the line connecting the medial and lateral poles of the patella. We defined the optimal recording site as the point where the terminal branch met the line connecting inferior pole of patella and tibial tuberosity, and measured the distance from the inferior pole. Also, nerve conduction studies were performed with obtained location in healthy adults.

Results

In optimal stimulation site, the mean value of X-coordinate was 55.50±6.10 mm, and the ratio of the Y-coordinate to the thigh length was 25.53%±5.40%. The optimal recording site was located 15.92±1.83 mm below the inferior pole of patella. In our sensory nerve conduction studies through this location, mean peak latency was 4.11±0.30 ms and mean amplitude was 4.16±1.49 µV.

Conclusion

The optimal stimulation site was located 5.0–6.0 cm medial to medial pole of the patella and 25% of thigh length proximal to the X-axis. The optimal recording site was located 1.5–2.0 cm below inferior pole of patella. We have also confirmed that this location is clinically applicable.

Citations

Citations to this article as recorded by  
  • Infrapatellar branch of saphenous nerve: from anatomy, sonoanatomy to its clinical implications
    Michael SJ Peng, Steven R Clendenen, Glenn G Shi, Ban C H Tsui
    Regional Anesthesia & Pain Medicine.2025; : rapm-2025-106383.     CrossRef
  • Arthroscopic treatment of medial collateral ligament femoral insertion tears with concomitant cruciate ligament injuries: A novel technical report
    Longgang Chen, Xiangbo Lin, Changhui Li, Xishan Wang, Bin Wang
    Journal of Orthopaedic Reports.2025; : 100667.     CrossRef
  • Frequency of infrapatellar neuropathy post-total knee replacement and arthroscopic surgery in Egyptian patients
    Dalia Salah Saif, Mohamed Ahmed Eltabl
    Egyptian Rheumatology and Rehabilitation.2020;[Epub]     CrossRef
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Effect of Extracorporeal Shockwave Therapy Versus Intra-articular Injections of Hyaluronic Acid for the Treatment of Knee Osteoarthritis
June-Kyung Lee, Bong-Yeon Lee, Woo-Yong Shin, Min-Ji An, Kwang-Ik Jung, Seo-Ra Yoon
Ann Rehabil Med 2017;41(5):828-835.   Published online October 31, 2017
DOI: https://doi.org/10.5535/arm.2017.41.5.828
Objective

To evaluate and compare the effects and outcomes of extracorporeal shock wave therapy (ESWT) and intra-articular injections of hyaluronic acid (HA) in patients with knee osteoarthritis (OA).

Methods

Of the 78 patients recruited for the study, 61 patients met the inclusion criteria. The enrolled patients were randomly divided into two groups: the ESWT group and the HA group. The ESWT group underwent 3 sessions of 1,000 shockwave pulses performed on the affected knee with the dosage adjusted to 0.05 mJ/mm2 energy. The HA group was administered intra-articular HA once a week for 3 weeks with a 1-week interval between each treatment. The results were measured with the visual analogue scale (VAS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Lequesne index, 40-m fast-paced walk test, and stair-climb test (SCT). A baseline for each test was measured before treatment and then the effects of the treatments were measured by each test at 1 and 3 months after treatment.

Results

In both groups, the scores of the VAS, WOMAC, Lequesne index, 40-m fast-paced walk test, and SCT were significantly improved in a time-dependent manner (p<0.01). There were no statistically significant differences measured at 1 and 3 months after treatment between the two groups (p>0.05).

Conclusion

The ESWT can be an alternative treatment to reduce pain and improve physical functions in patients with knee OA.

Citations

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    D. B. Nurpeisov, Sabina Sergeevna Em, N. V. Kurilenko
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    ShiHang Cao, Qiang Zan, Baohui Wang, Xiaochen Fan, Ziying Chen, Fengxiang Yan
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    Galina Eremina, Alexey Smolin
    Defence Technology.2023; 20: 1.     CrossRef
  • Comparative Efficacy of Intra-Articular Injection, Physical Therapy, and Combined Treatments on Pain, Function, and Sarcopenia Indices in Knee Osteoarthritis: A Network Meta-Analysis of Randomized Controlled Trials
    Chun-De Liao, Hung-Chou Chen, Mao-Hua Huang, Tsan-Hon Liou, Che-Li Lin, Shih-Wei Huang
    International Journal of Molecular Sciences.2023; 24(7): 6078.     CrossRef
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    I Jun Choi, Jong Hu Jeon, Woo Hwa Choi, Hea-Eun Yang
    Medicine.2023; 102(46): e36117.     CrossRef
  • Effect of High-Power Laser Therapy Versus Shock Wave Therapy on Pain and Function in Knee Osteoarthritis Patients: A Randomized Controlled Trial
    Mohamed Serag Eldein Mahgoub Mostafa, Hamada Ahmed Hamada, Ahmed Mahmoud Kadry, Samah Saad Zahran, Nesma Ahmed Helmy
    Photobiomodulation, Photomedicine, and Laser Surgery.2022; 40(3): 198.     CrossRef
  • Comparison of Extracorporeal Shockwave Therapy with Non-Steroid Anti-Inflammatory Drugs and Intra-Articular Hyaluronic Acid Injection for Early Osteoarthritis of the Knees
    Shun-Wun Jhan, Ching-Jen Wang, Kuan-Ting Wu, Ka-Kit Siu, Jih-Yang Ko, Wen-Chiung Huang, Wen-Yi Chou, Jai-Hong Cheng
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    Jiangwei Xuan, Ruyi Shao
    International Journal of Surgery.2022; 103: 106701.     CrossRef
  • Comparative Effectiveness of Focused Extracorporeal versus Radial Extracorporeal Shockwave Therapy for Knee Osteoarthritis—Randomized Controlled Study
    Nai-Yu Ko, Chih-Ning Chang, Chu-Han Cheng, Hui-Kung Yu, Gwo-Chi Hu
    International Journal of Environmental Research and Public Health.2022; 19(15): 9001.     CrossRef
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    Ying-Chun Wang, Hsuan-Ti Huang, Peng-Ju Huang, Zi-Miao Liu, Chia-Lung Shih
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    Huanzhi Ma, Wei Zhang, Jun Shi, Dongsheng Zhou, Jian Wang
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    International Orthopaedics.2020; 44(5): 877.     CrossRef
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    Lu Chen, Ling Ye, Hui Liu, Pingliang Yang, Bangxiang Yang, Adérito Seixas
    BioMed Research International.2020;[Epub]     CrossRef
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    Alper Uysal, Mustafa Turgut Yildizgoren, Hayal Guler, Ayse Dicle Turhanoglu
    International Orthopaedics.2020; 44(7): 1311.     CrossRef
  • Comparison of the effects between low- versus medium-energy radial extracorporeal shock wave therapy on knee osteoarthritis: A randomised controlled trial
    Radwa F. Hammam, Ragia M. Kamel, Amira H. Draz, Amr A. Azzam, Shimaa T. Abu El Kasem
    Journal of Taibah University Medical Sciences.2020; 15(3): 190.     CrossRef
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    Juan Avendaño-Coy, Natalia Comino-Suárez, Jesús Grande-Muñoz, Carlos Avendaño-López, Julio Gómez-Soriano
    International Journal of Surgery.2020; 82: 64.     CrossRef
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    Xianfei Xie, Jialing Zhu, Hao Zhang
    Medicine.2020; 99(35): e21749.     CrossRef
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    Grace Coleman, Fiona Dobson, Rana S. Hinman, Kim Bennell, Daniel K. White
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    Chun-De Liao, Jau-Yih Tsauo, Tsan-Hon Liou, Hung-Chou Chen, Shih-Wei Huang
    Clinical Rehabilitation.2019; 33(9): 1419.     CrossRef
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    Seihee Yoon, Jung Joong Kang, Jungin Kim, Seunghun Park, Jong Moon Kim
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    Yongming Xu, Kun Wu, Yu Liu, Huan Geng, Haochong Zhang, Shuitao Liu, Hongying Qu, Gengyan Xing
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  • Hyaluronic Acid (HA), Platelet-Rich Plasm and Extracorporeal Shock Wave Therapy (ESWT) promote human chondrocyte regeneration in vitro and ESWT-mediated increase of CD44 expression enhances their susceptibility to HA treatment
    Mario Vetrano, Danilo Ranieri, Monica Nanni, Antonio Pavan, Florence Malisan, Maria Chiara Vulpiani, Vincenzo Visco, Andre van Wijnen
    PLOS ONE.2019; 14(6): e0218740.     CrossRef
  • Comment on “Effect of Extracorporeal Shockwave Therapy Versus Intra-articular Injections of Hyaluronic Acid for the Treatment of Knee Osteoarthritis”
    Valter Santilli, Federica Alviti, Marco Paoloni, Massimiliano Mangone, Andrea Bernetti
    Annals of Rehabilitation Medicine.2018; 42(2): 372.     CrossRef
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Effects of Early Combined Eccentric-Concentric Versus Concentric Resistance Training Following Total Knee Arthroplasty
Min Ji Suh, Bo Ryun Kim, Sang Rim Kim, Eun Young Han, So Young Lee
Ann Rehabil Med 2017;41(5):816-827.   Published online October 31, 2017
DOI: https://doi.org/10.5535/arm.2017.41.5.816
Objective

To investigate the effects of early combined eccentric-concentric (ECC-CON) or concentric (CON) resistance training following total knee arthroplasty (TKA).

Methods

Patients who underwent a primary TKA were randomly assigned to an ECC-CON group (n=16) or a CON group (n=18). All patients received early, progressive resistance training with five sessions per week for 2 weeks starting 2 weeks after TKA. Isometric knee flexor and extensor strength of the surgical and non-surgical knees, instrumental gait analysis for spatiotemporal parameters, 6-Minute Walk Test (6MWT), Timed Up and Go Test (TUG), Timed Stair Climbing Test (SCT) were used to evaluate performance-based physical function. The Western Ontario McMaster Universities Osteoarthritis Index (WOMAC) and EuroQOL five dimensions (EQ-5D) questionnaire were used to evaluate self-reported physical function and self-reported quality of life. All patients underwent these evaluations before and 1 month after TKA.

Results

The ECC-CON group showed clinically meaningful improvements in extensor peak torque (PT) of the non-surgical knee, gait speed, and 6MWT from preoperative values. The CON group had an increase in H/Q ratio of the surgical knee and improvement in SCT-ascent postoperatively. Both groups showed significant improvements in WOMAC-Pain, function, and EQ-5D scores. Although extensor PT of the surgical knee did not reach the preoperative level in either group, the postoperative change was significantly less in the ECC-CON group than the CON group.

Conclusion

Early combined ECC-CON resistance training minimizes the loss in quadriceps strength of the surgical knee and improves endurance and gait speed after TKA.

Citations

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    Tianjun Zhai, Yongjia Song, Jianqing Su, Ruiren Wu, Jie Wang, Zengqiao Zhang, Wei Feng
    Frontiers in Medicine.2024;[Epub]     CrossRef
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    Jin Park
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    Soo-kyung Kim, Seok-Hyeon Joo, Jeong-hyun Woo, Ki-hoon Han
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    Hannah M L Young, Joseph Henson, Paddy C Dempsey, Scott A Willis, Roseanne E Billany, Ffion Curtis, Laura Gray, Sharlene Greenwood, Louisa Y Herring, Patrick Highton, Ryan J Kelsey, Selina Lock, Daniel S March, Krishna Patel, Jack Sargeant, Harini Sathana
    Age and Ageing.2024;[Epub]     CrossRef
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    Elif KIRAÇ CAN, Murat TOMRUK, Nihal GELECEK
    Türk Fizyoterapi ve Rehabilitasyon Dergisi.2023; 34(1): 102.     CrossRef
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    Taichi HOSHINO, Ryuta SAITO, Yukimitsu MINAGAWA, Noriko KIMURA, Kazuhisa HATAYAMA, Masanori TERAUCHI, Shigeru USUDA
    Rigakuryoho Kagaku.2022; 37(2): 177.     CrossRef
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    Shangxiao Li, Liduan Wang, Jinfeng Xiong, Dandan Xiao
    International Journal of Environmental Research and Public Health.2022; 19(22): 15256.     CrossRef
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    Jin Park
    The Journal of Korean Physical Therapy.2021; 33(1): 34.     CrossRef
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    Sara A. Harper, Brennan J. Thompson
    Frontiers in Physiology.2021;[Epub]     CrossRef
  • Does eccentric-concentric resistance training improve early functional outcomes compared to concentric resistance training after total knee arthroplasty?
    Victoria Teissier, Romain Leclercq, Sandrine Schiano-Lomoriello, Rémy Nizard, Hugues Portier
    Gait & Posture.2020; 79: 145.     CrossRef
  • Eccentric and Concentric Resistance Exercise Comparison for Knee Osteoarthritis
    KEVIN R. VINCENT, TERRIE VASILOPOULOS, CINDY MONTERO, HEATHER K. VINCENT
    Medicine & Science in Sports & Exercise.2019; 51(10): 1977.     CrossRef
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Effects of Extracorporeal Shockwave Therapy in Chronic Stroke Patients With Knee Osteoarthritis: A Pilot Study
Sung Jun Cho, Ja Ryung Yang, Hee Seung Yang, Hea-Eun Yang
Ann Rehabil Med 2016;40(5):862-870.   Published online October 31, 2016
DOI: https://doi.org/10.5535/arm.2016.40.5.862
Objective

To evaluate the effects of extracorporeal shockwave therapy (ESWT) on pain, function, and ultrasonographic features of chronic stroke patients with knee osteoarthritis (OA).

Methods

A total of 18 chronic stroke patients (33 knee joints) with unilateral or bilateral knee OA (Kellgren-Lawrence grade ≥1) were enrolled in this study. The patients were randomly allocated to an experimental group receiving ESWT (n=9) or a control group receiving sham ESWT (n=9). For the ESWT group, patients received 1,000 pulses weekly for 3 weeks, totaling to an energy dose of 0.05 mJ/mm2 on the proximal medial tibia of the affected knee. The assessments were performed before the treatment, immediately after the first treatment, and 1 week after the last treatment using the following: the visual analog scale (VAS) for pain; patient perception of the clinical severity of OA; the Korean version of Modified Barthel Index (ambulation and chair/bed transfer); the Functional Independence Measure scale (FIM; bed/chair/wheelchair transfer, toilet transfer, walking, and stairs); and ultrasonographic features (articular cartilage thickness, Doppler activity, and joint effusion height).

Results

The experimental group showed a significant improvement in VAS score (4.50±1.87 to 2.71±1.38) and patient perception of the clinical severity of OA (1.87±0.83 to 2.75±0.46). The bed/chair/wheelchair transfer components of the FIM score also improved significantly (4.12±1.55 to 4.62±1.30). In terms of the ultrasonographic features, increased Doppler activity was observed in the medial knee in the experimental group immediately following ESWT.

Conclusion

It is suggested that ESWT may reduce pain and improve function in chronic stroke patients with OA, and may increase vascular activity at the target site.

Citations

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  • A systematic review of the use of shockwave therapy for knee osteoarthritis
    Po-Cheng Liao, Shih-Hsiang Chou, Chia-Lung Shih
    Journal of Orthopaedics.2024; 56: 18.     CrossRef
  • Shock-wave impact on the knee joint affected with osteoarthritis and after arthroplasty
    Galina Eremina, Alexey Smolin
    Defence Technology.2023; 20: 1.     CrossRef
  • Effects of extracorporeal shockwave therapy for mild knee osteoarthritis: A pilot study
    I Jun Choi, Jong Hu Jeon, Woo Hwa Choi, Hea-Eun Yang
    Medicine.2023; 102(46): e36117.     CrossRef
  • A commentary on “The efficacy and safety of extracorporeal shockwave therapy in knee osteoarthritis: A systematic review and meta-analysis” [Int J Surg. 2020 Jan 21; 75: 24–34]
    Jiangwei Xuan, Ruyi Shao
    International Journal of Surgery.2022; 103: 106701.     CrossRef
  • Comparative Effectiveness of Focused Extracorporeal versus Radial Extracorporeal Shockwave Therapy for Knee Osteoarthritis—Randomized Controlled Study
    Nai-Yu Ko, Chih-Ning Chang, Chu-Han Cheng, Hui-Kung Yu, Gwo-Chi Hu
    International Journal of Environmental Research and Public Health.2022; 19(15): 9001.     CrossRef
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    Yaşar Arslan, Ayhan Kul
    Turkish Journal of Osteoporosis.2022; 28(2): 83.     CrossRef
  • Efficacy and Safety of Extracorporeal Shockwave Therapy for Treatment of Knee Osteoarthritis: A Systematic Review and Meta-analysis
    Ying-Chun Wang, Hsuan-Ti Huang, Peng-Ju Huang, Zi-Miao Liu, Chia-Lung Shih
    Pain Medicine.2020; 21(4): 822.     CrossRef
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    Chi-Kun Hsieh, Chao-Jui Chang, Zhao-Wei Liu, Ta-Wei Tai
    International Orthopaedics.2020; 44(5): 877.     CrossRef
  • Extracorporeal Shock Wave Therapy for the Treatment of Osteoarthritis: A Systematic Review and Meta‐Analysis
    Lu Chen, Ling Ye, Hui Liu, Pingliang Yang, Bangxiang Yang, Adérito Seixas
    BioMed Research International.2020;[Epub]     CrossRef
  • Effects of radial extracorporeal shock wave therapy on clinical variables and isokinetic performance in patients with knee osteoarthritis: a prospective, randomized, single-blind and controlled trial
    Alper Uysal, Mustafa Turgut Yildizgoren, Hayal Guler, Ayse Dicle Turhanoglu
    International Orthopaedics.2020; 44(7): 1311.     CrossRef
  • Comparison of the effects between low- versus medium-energy radial extracorporeal shock wave therapy on knee osteoarthritis: A randomised controlled trial
    Radwa F. Hammam, Ragia M. Kamel, Amira H. Draz, Amr A. Azzam, Shimaa T. Abu El Kasem
    Journal of Taibah University Medical Sciences.2020; 15(3): 190.     CrossRef
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    Mitchell C.M. van Doormaal, Guus A. Meerhoff, Thea P.M. Vliet Vlieland, Wilfred F. Peter
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    Juan Avendaño-Coy, Natalia Comino-Suárez, Jesús Grande-Muñoz, Carlos Avendaño-López, Julio Gómez-Soriano
    International Journal of Surgery.2020; 82: 64.     CrossRef
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    Adeniyi S. Aderibigbe, Olushola C. Famurewa, Morenikeji A. Komolafe, Adeleye D. Omisore, Victor A. Adetiloye
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    Tengqi Li, Jinhui Ma, Tingting Zhao, Fuqiang Gao, Wei Sun
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    Annals of Rehabilitation Medicine.2017; 41(5): 828.     CrossRef
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The Dose-Related Effects of Extracorporeal Shock Wave Therapy for Knee Osteoarthritis
Jin-Hong Kim, Ja-Young Kim, Cheol-Min Choi, June-Kyung Lee, Hoi-Sung Kee, Kwang-Ik Jung, Seo-Ra Yoon
Ann Rehabil Med 2015;39(4):616-623.   Published online August 25, 2015
DOI: https://doi.org/10.5535/arm.2015.39.4.616
Objective

To investigate the dose-related effects of extracorporeal shock wave therapy (ESWT) for knee osteoarthritis.

Methods

Seventy-five subjects were recruited, 60 of which met the inclusion criteria. The patients were randomly classified into two groups: group L, which was a low-energy group (n=30; 1,000 shocks/session; energy flux density [EFD], 0.040 mJ/mm2) and group M, which was a medium-energy group (n=30; 1,000 shocks/session; EFD, 0.093 mJ/mm2). For each group, 1,000 shock waves were delivered to the medial tibial plateau area, once a week, for 3 weeks. The main outcome measures were the visual analogue scale (VAS), the Roles and Maudsley (RM) score, the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score, and the Lequesne index. Each assessment was performed at the baseline and at 1, 4, and 12 weeks after ESWT.

Results

In both groups, the VAS, the RM and WOMAC scores, and the Lequesne index were significantly improved over time (p<0.001), and group M showed greater improvement over group L at the 1, 4 and 12 weeks assessments.

Conclusion

In this study, medium-energy group (group M) showed greater improvement in regard to relieving pain and restoring functional outcome than the low-energy group (group L). Therefore, EFD can be considered to have significant influence when treating with ESWT for knee osteoarthritis.

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    Petrina Theda Philothra, Andriati, Abdul Jabbar Al-Hayyan, Soenarnatalina Melaniani, Yosafat Lambang Prasetyadi, Alan Christy Soewargo
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Mobile Sensor Application for Kinematic Detection of the Knees
Tossaphon Jaysrichai, Areerat Suputtitada, Watcharapong Khovidhungij
Ann Rehabil Med 2015;39(4):599-608.   Published online August 25, 2015
DOI: https://doi.org/10.5535/arm.2015.39.4.599
Objective

To correctly measure the knee joint angle, this study utilized a Qualisys motion capture system and also used it as the reference to assess the validity of the study's Inertial Measurement Unit (IMU) system that consisted of four IMU sensors and the Knee Angle Recorder software. The validity was evaluated by the root mean square (RMS) of different angles and the intraclass correlation coefficient (ICC) values between the Qualisys system and the IMU system.

Methods

Four functional knee movement tests for ten healthy participants were investigated, which were the knee flexion test, the hip and knee flexion test, the forward step test and the leg abduction test, and the walking test.

Results

The outcomes of the knee flexion test, the hip and knee flexion test, the forward step test, and the walking test showed that the RMS of different angles were less than 6°. The ICC values were in the range of 0.84 to 0.99. However, the leg abduction test showed a poor correlation in the measurement of the knee abduction-adduction movement.

Conclusion

The IMU system used in this study is a new good method to measure the knee flexion-extension movement.

Citations

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Reliability and Validity of Isometric Knee Extensor Strength Test With Hand-Held Dynamometer Depending on Its Fixation: A Pilot Study
Won Kuel Kim, Don-Kyu Kim, Kyung Mook Seo, Si Hyun Kang
Ann Rehabil Med 2014;38(1):84-93.   Published online February 25, 2014
DOI: https://doi.org/10.5535/arm.2014.38.1.84
Objective

To determine the reliability and validity of hand-held dynamometer (HHD) depending on its fixation in measuring isometric knee extensor strength by comparing the results with an isokinetic dynamometer.

Methods

Twenty-seven healthy female volunteers participated in this study. The subjects were tested in seated and supine position using three measurement methods: isometric knee extension by isokinetic dynamometer, non-fixed HHD, and fixed HHD. During the measurement, the knee joints of subjects were fixed at a 35° angle from the extended position. The fixed HHD measurement was conducted with the HHD fixed to distal tibia with a Velcro strap; non-fixed HHD was performed with a hand-held method without Velcro fixation. All the measurements were repeated three times and among them, the maximum values of peak torque were used for the analysis.

Results

The data from the fixed HHD method showed higher validity than the non-fixed method compared with the results of the isokinetic dynamometer. Pearson correlation coefficients (r) between fixed HHD and isokinetic dynamometer method were statistically significant (supine-right: r=0.806, p<0.05; seating-right: r=0.473, p<0.05; supine-left: r=0.524, p<0.05), whereas Pearson correlation coefficients between non-fixed dynamometer and isokinetic dynamometer methods were not statistically significant, except for the result of the supine position of the left leg (r=0.384, p<0.05). Both fixed and non-fixed HHD methods showed excellent inter-rater reliability. However, the fixed HHD method showed a higher reliability than the non-fixed HHD method by considering the intraclass correlation coefficient (fixed HHD, 0.952-0.984; non-fixed HHD, 0.940-0.963).

Conclusion

Fixation of HHD during measurement in the supine position increases the reliability and validity in measuring the quadriceps strength.

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Therapeutic Effect of Whole Body Vibration on Chronic Knee Osteoarthritis
Young Geun Park, Bum Sun Kwon, Jin-Woo Park, Dong Yeon Cha, Ki Yeun Nam, Kyoung Bo Sim, Jihea Chang, Ho Jun Lee
Ann Rehabil Med 2013;37(4):505-515.   Published online August 26, 2013
DOI: https://doi.org/10.5535/arm.2013.37.4.505
Objective

To investigate the effect on pain reduction and strengthening of the whole body vibration (WBV) in chronic knee osteoarthritis (OA).

Methods

Patients were randomly divided into two groups: the study group (WBV with home based exercise) and control group (home based exercise only). They performed exercise and training for 8 weeks. Eleven patients in each group completed the study. Pain intensity was measured with the Numeric Rating Scale (NRS), functional scales were measured with Korean Western Ontario McMaster score (KWOMAC) and Lysholm Scoring Scale (LSS), quadriceps strength was measured with isokinetic torque and isometric torque and dynamic balance was measured with the Biodex Stability System. These measurements were performed before training, at 1 month after training and at 2 months after training.

Results

NRS was significantly decreased in each group, and change of pain intensity was significantly larger in the study group than in the control group after treatment. Functional improvements in KWOMAC and LSS were found in both groups, but no significant differences between the groups after treatment. Dynamic balance, isokinetic strength of right quadriceps and isometric strengths of both quadriceps muscles improved in both groups, but no significant differences between the groups after treatment. Isokinetic strength of left quadriceps did not improve in both groups after treatment.

Conclusion

In chronic knee OA patients, WBV reduced pain intensity and increased strength of the right quadriceps and dynamic balance performance. In comparison with the home based exercise program, WBV was superior only in pain reduction and similarly effective in strengthening of the quadriceps muscle and balance improvement.

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Factors Related to Standing Balance in Patients With Knee Osteoarthritis
Hye Jeong Park, Saebyuk Ko, Hyeon Mi Hong, Eunjae Ok, Jong In Lee
Ann Rehabil Med 2013;37(3):373-378.   Published online June 30, 2013
DOI: https://doi.org/10.5535/arm.2013.37.3.373
Objective

To assess factors related to standing balance in patients with knee osteoarthritis (OA).

Methods

In total, 37 female patients with painful knee OA were included. Pain, knee alignment, and Kellgren and Lawrence grade were evaluated accordingly. Static standing balance was measured with a force-platform system under two different conditions: static standing with eyes open (EO) and eyes closed (EC) for 30 seconds. The mean speed (mm/s) of movement of the center of pressure in the anteroposterior (AP) and mediolateral directions and the mean velocity moment (mm2/s) were analyzed for assessment of static balance.

Results

In the univariate regression analysis, age and knee alignment showed statistically significant relationships with the mean speed in the AP directions with EO. In the multiple linear regression model, age and knee alignment were positively associated and disease severity was negatively associated with mean speed in the AP directions with EO. However, the variables for EC static measurements were not significantly correlated with age, pain, knee alignment, or radiographic severity (p>0.05).

Conclusion

These findings show that the worse balance was associated with advanced age, less varus knee malalignment, and mild radiographic changes. Pain was not associated with standing balance.

Citations

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Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis
Kil-Byung Lim, Hong-Jae Lee
Ann Rehabil Med 2012;36(5):618-626.   Published online October 31, 2012
DOI: https://doi.org/10.5535/arm.2012.36.5.618
Objective

To identify the subtle change of postural control in elderly patients with unilateral knee osteoarthritis (OA) with computerized dynamic posturography.

Method

Twenty-two healthy women and twenty-six women with unilateral knee OA, aged 60 and over, were enrolled. The computerized posturographic measures included a weight bearing pattern during squatting and sit-to-stand, sway velocity of center of gravity (COG) during one leg standing, on-axis velocity and directional control of COG during rhythmic weight shift, rising index during sit-to-stand, end sway during tandem walk, and movement time during step up/over.

Results

It was shown that patients bore significantly less weight on the affected side during the 30° and 60° squat and sit-to-stand. Sway velocity of COG during one leg standing was greater whereas the on-axis velocity and directional control during the front/back rhythmic weight shift were significantly lower in the patient group. The rising index during sit-to-stand was significantly lower and movement time during step up/over with the affected side was significantly longer in patients.

Conclusion

This study demonstrated in detail a decline of postural balance by utilizing computerized posturography in elderly women with unilateral knee OA. They had less weight-bearing, more sway, and less ability of intentional postural control on the affected side.

Citations

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Objective

To investigate whether the cartilage regenerative effects of intra-aricular platelet-rich plasma (PRP) are different, according to the severity of osteoarthritis (OA), in a collagenase-induced knee OA rabbit model.

Method

New Zealand white rabbits (N=21) were randomly divided into three groups. Three different doses (0.25 mg, group 1; 0.5 mg, group 2; and 1.0 mg, group 3) of collagenase were injected twice into both knees of each group under an ultrasound guidance. The mean platelet concentration of the PRP fraction was 2,664±970×103/µl and was enriched 8.2-times, compared with the whole blood. PRP (0.3 ml) was injected into the left knee and saline (0.3 ml) into the right knee at 4 weeks, and macroscopic and histological scores of both injected knees were evaluated at 9 weeks after the first collagenase injection.

Results

Macroscopic and histological scores of group 3 were significantly higher than those of group 1 and 2 (p<0.05). Macroscopic and histological scores of the PRP-injected knees were significantly lower than those of the saline-injected knees, in all groups (p<0.05). Differences of gross morphologic and histologic scores between saline- and PRP-injected knees in group 3 were significantly higher than those in group 1 and 2 (p<0.05).

Conclusion

Intra-articular PRP injection influences cartilage regeneration in all severities of rabbit knee OA, and the cartilage regenerative power of PRP injection in moderate knee OA was greater than that in mild or very mild OA. A large preclinical trial is needed to establish the validity of our study.

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Balance Control and Knee Osteoarthritis Severity
Hee-Sang Kim, Dong Hwan Yun, Seung Don Yoo, Dong Hwan Kim, Yong Seol Jeong, Jee-Sang Yun, Dae Gyu Hwang, Pil Kyo Jung, Seong He Choi
Ann Rehabil Med 2011;35(5):701-709.   Published online October 31, 2011
DOI: https://doi.org/10.5535/arm.2011.35.5.701
Objective

To investigate balance control according to the severity of knee osteoarthritis (OA) using clinical tests and Tetra-ataxiometric posturography (Tetrax®).

Method

A total 80 patients with primary knee OA classified according to American College of Rheumatology criteria, and 40 age-matched controls were enrolled in this study. Of those with OA, 39 patients had mild OA (Kellgren-Lawrence [KL] grade 1, 2) and the other 41 had moderate to severe OA (KL grade 3, 4). The postural control capabilities of the subjects were assessed using the timed up and go test (TUG), Berg balance scale (BBS), and Tetrax®, which utilizes two paired force plates to measure vertical pressure fluctuations over both heels and forefeet. The subjects were checked for their stability index (ST), Fourier index, weight distribution index (WDI), and synchronization index (SI) in eight positions using Tetrax®.

Results

Patients with moderate to severe OA exhibited significantly higher stability indices in all positions than patients with mild OA. The Fourier index was also higher in patients with moderate to severe OA than in patients with mild OA. However, the weight distribution index and synchronization of both heels and forefeet were not significantly different in the three groups.

Conclusion

These findings suggest that patients with moderate to severe OA have more deficits in balance control than those with mild disease. Therefore, evaluation of balance control and education aimed at preventing falls would be useful to patients with knee OA.

Citations

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Association of Meniscus Protrusion with Radiographic Findings and Clinical Assessment in Both Knee Osteoarthritis.
Kim, Hee Sang , Yoo, Seung Don , Yun, Dong Hwan , Kim, Dong Hwan , Shin, Yong Won , Chon, Jin Mann , Kim, Sung Hun
J Korean Acad Rehabil Med 2010;34(6):737-742.
Objective To evaluate the association of ultrasonographic (US) findings of medial meniscus protrusion (MMP) with clinical and plain radiographic assessment in knee osteoarthritis (OA).

Method One hundred and twenty six knees of 63 patients were studied. The degree of protrusion for each knee of patients was measured during standing by US. Radiographs were examined in order to determine whether the participants had radiographic osteoarthritis, graded using the Kellgren-Lawrence (K-L) grade. Clinical assessment was performed by recording a visual analogue scale (VAS). Correlation was obtained between the difference of VAS and MMP in the same patient. Assessment of pain, stiffness, and disability were performed by comparison of K-WOMAC index and MMP in a patient.

Results Mean protrusion (mean±S.D.) for knees with each K-L I, II, III, and IV grade were 0.27±0.52 cm, 0.38±0.60 cm, 0.55±0.76 cm, and 0.75±0.08 cm, respectively. The difference was significant (p<0.05). Significant correlation was observed between MMP and VAS in K-L grades II (p=0.002, r=0.500) and III (p=0.002, r=0.684), also between ԤMMP and ԤVAS (p=0.000, r=0.558). With the K-WOMAC index, MMP were correlated with pain and stiffness (p<0.01), but not with disability score.

Conclusion The degree of MMP measured by US is associated with K-L grade in knee OA patients. The degree of MMP can be a reliable indicator, like K-L grade, for radiological severity of knee OA. MMP has been correlated with VAS and with subscore of pain and stiffness, but not disability in the K-WOMAC index.

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Reliability of Passive Knee Joint Position Sense Test.
Kim, Se Hwan , Seo, Kyung Mook , Kim, Don Kyu , Kang, Si Hyun
J Korean Acad Rehabil Med 2010;34(5):560-564.
Objective
To investigate the optimal number of repetition trials and to evaluate the test-retest reliability of passive knee joint position sense test. Method: Thirty healthy subjects were tested with isokinetic machine. The knee joints were placed in starting angle of 0o for flexion test and 90o for extension test. To memorize the target angle, the knees were passively positioned to the target angle (30o in flexion test and 60o in extension test) and left hold for 10 seconds, and returned to starting position. After these processes, knee joints were passively moved toward target angles. The subjects were instructed to press button when the memorized angles were estimated to be reproduced. The tests were performed 6 times for each test angle. After 48 hours, the tests were repeated. Intra-class correlation coefficients (ICC) were calculated with the values of test and retest. Results: There were no significant differences in absolute angular errors (AAE) between dominant and non-dominant side. The ICC value of above five repetitions of test showed excellent reliability (0.807) whereas three and four repetitions showed moderate reliabilities (0.536∼0.709). Conclusion: From the results of this study, we suggest that five repetitions of test could be appropriate for the passive joint position sense test. (J Korean Acad Rehab Med 2010; 34: 560-564)
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Gait Characteristics of Transfemoral Amputees in Long Term Users of Poly Centric Knee.
Kim, Woo Sub , Choi, Jae Yung , Lee, Seung Hwa , Kim, Shin Do , Jeong, Hae Won , Jang, Chul Ho , Cha, Dong Yeon , Kim, Seon Nyeo
J Korean Acad Rehabil Med 2010;34(2):189-196.
Objective
To evaluate characteristic gait patterns of transfemoral amputees who have been using polycentric knee for a long time. Method: Subjects were 22 transfemoral amputees using prosthesis for 29.0 years and 23 age-matched healthy adults. The three-dimensional gait analysis was performed. Temporospatial, kinematic and kinetic parameters were measured. Results: Cadence and walking velocity of amputees decreased (p<0.05). Single support period decreased in amputee limb. There were no significant differences in hip flexion moment and power. In amputated limb, knee flexion in loading response was not observed and ankle plantar flexion was less than sound limb and control group. Excessive compensations of amputee side hip joint were not significant. Conclusion: Long term polycentric knee unit transfemoral prosthesis users show asymmetry of gait pattern which can increase the risk of musculoskeletal problems. Epidemiologic investigation would be necessary for prevention and proper management. (J Korean Acad Rehab Med 2010; 34: 189-196)
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Measurement of Proprioception of the Knee in Hemiplegic Patients Using an Isokinetic Dynamometer.
Hwang, Ji Sun , Lee, Dong Seok , Cho, Yun Jeong , Han, Na Mi , Kim, Hyun Dong
J Korean Acad Rehabil Med 2010;34(1):27-33.
Objective
To measure knee joint proprioception quantitatively in hemiplegic patients after brain injury using an isokinetic dynamometer. Method: Thirty healthy subjects and 24 hemiplegic patients participated in this study. Joint position sense was evaluated with passive angle reproduction of 30o and 60o of knee flexion and kinesthesia was evaluated with the threshold for detection of passive movementfrom 45o of knee flexion. We used toe-"up or down"-test for conventional clinical method. Results: Significant proprioceptive deficit was observed not only in paretic knees of both right and left hemiplegic patients (p<0.05) but also in nonparetic knee in right hemiplegic patients (p<0.05). Both interrater and intrarater reliability of the quantitative measurement were significantly high. A significant difference was found between proprioception deficit defined with current clinical test and quantitative test in the nonparetic knee (p<0.05), but not in the paretic knee (p>0.05). Conclusion: The quantitative test using an isokinetic dynamometer is a reliable method to measure knee proprioception, and it is possible to detect proprioceptive deficit in hemiplegic patients. Conventional clinical assessments are poor for predicting the results of the quantitative measure in the nonparetic knee. This quantitative method may be useful in diagnosis and follow-up of knee proprioception of hemiplegic patients after brain injury. (J Korean Acad Rehab Med 2010; 34: 27-33)
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Passive Knee Joint Proprioception Test in Normal Adults.
Park, Heon Jong , Kim, Don Kyu , Seo, Kyung Mook , Kang, Si Hyun , Seo, Jong Hyun
J Korean Acad Rehabil Med 2009;33(6):698-703.
Objective
To establish appropriate test angle of passive knee proprioception test and to compare with active knee proprioception test. Method: Thirty one healthy volunteers were tested in seated position on isokinetic machine. For passive test, the knee joints were placed in starting angle of 0o, 30o in flexion test and 90o, 60o in extension test. To memorize target angle, they were passively positioned to the target angle and left hold for 10 seconds, and returned to starting position. After these processes, knee joints were passively moved toward flexion and extension target angle. The subjects were instructed to press stop button when the memorized angles were reproduced. The tests were performed 3 times for each 6 different test angle. The active test were performed with the same memorized process but the subjects moved actively to reproduce target angles. The absolute angular errors (AAE) between target angle and produced angle were measured and compared. Results: In passive proprioception test, the AAEs were increased according to the test angle differences were increased from 30o to 60o. In the same target angle difference, there were no differences between starting positions. When the results of passive test were compared with active test, there were no significant differences in the flexion test, but larger angular error were measured in extension test. Conclusion: The passive knee proprioception test could be useful for patients with lower extremity weakness. Considering the possible error of large angular difference, the testing angular differences should be properly selected. (J Korean Acad Rehab Med 2009; 33: 698-703)
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Reference Values of Normal Femoral Condylar Cartilage Thickness and Its Ultrasonographic Findings.
Kim, Hye Won , Lee, Jong In , Ko, Young Jin , Lim, Ji Eun , Lee, Jin Young , Lee, Sang Jee
J Korean Acad Rehabil Med 2008;32(6):703-710.
Objective: To establish reference values for the femoral condylar cartilage thickness and to observe the cartilage clarity and sharpness between different age groups of healthy Koreans employing a ultrasonographic scanner. Method: 105 healthy volunteers from the ages of twenties to the fifties, without clinical signs of osteoarthritis were recruited for the study. Cartilage thickness at both intercondylar notch, medial condylar and lateral condylar area were obtained with 12 MHz linear transducer, in supine position under maximum flexion of the knee joints. Cartilage sharpness and clarity were also recorded in grade between 0 to 3. Results: The thickness of cartilage significantly decreased with the increment of age (p<0.05) and the cartilage of the man was much thicker than woman (p=0.000). Grade of the sharpness and clarity was not different between age groups and the checked grade was mostly grade 1 and there was no grade 3. Conclusion: This study defines standard reference values of femoral condylar cartilage for musculoskeletal ultrasonography to prevent misinterpretation of thinning of cartilage thickness in difference age groups and sex. With these findings, we can specify the range of normal degenerative change of femoral condylar cartilage. (J Korean Acad Rehab Med 2008; 32: 703-710)
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The Ultrasonographic Findings Related to Pain and FunctionalStatus in Patients with Knee Osteoarthritis.
Park, Kyung Tae , Kim, Hyun Jung , Kang, Youn Joo , Park, Hye Kyung , Choi, Nam Hong
J Korean Acad Rehabil Med 2008;32(6):668-681.
Objective: To evaluate the usefulness of ultrasonographic (US) examination in patients with knee osteoarthritis (OA) and determine US findings associated with pain and functional status. Method: 45 patients with primary knee OA classified by the American College of Rheumatology (ACR) criteria were recruited. The severity of pain and functional status were measured by Lequesne index and Western Ontario and McMaster Universities Osteoarthritis Scores (WOMAC). All patients underwent US examination of their knees and plain radiography for Kellgren and Lawrence (KL) grade. Results: Even in mild OA cases (KL G1, 2), patients had evidence of distended suprapatellar pouch (effusion) (32%), synovial thickening (12%), cartilage degeneration (32%) and medial capsular distension (72%). The severity of pain and functional status were found to be correlated with following US findings: amount of suprapatellar effusion (Ճ=0.514, p<0.01), degree of synovial thickness (Ճ=0.520, p<0.01), cartilage degeneration grade (Ճ=0.594, p<0.01), length of medial capsular distension (Ճ=0.426, p<0.01). However, the length of medial and lateral osteophytes, size of Baker's cyst, and clinical parameter such as age, disease duration and BMI score were not correlated with the severity of pain and functional status in OA patients. Following multiple regression analysis, the amount of effusion, synovial thickness and length of medial capsular distension were correlated with Lequesne and WOMAC functional status score (Ճ2=0.635, p<0.05). Conclusion: Ultrasonographic assessment was useful for diagnosing knee OA. The severity of pain and function were highly associated with the amount of suprapatellar effusion, degree of synovial thickness, the length of medial capsular distension and grade of cartilage degeneration. (J Korean Acad Rehab Med 2008; 32: 668-681)
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Effects of the Balance Control of the Affected Lower Extremityon Balance and Gait in Hemiparetic Patients.
Kim, Chul Hyun , Byun, Seung Deuk , Shin, Oh Soo , Kim, Tae Gun , Kwon, Soon Mo , Noh, Jae Hyun , Lee, Yang Soo , Jung, Soon Ki
J Korean Acad Rehabil Med 2008;32(4):394-399.
Objective: To investigate the effects of balance control of affected lower extremity on berg balance scale and gait in hemiparetic patients, using the newly developed balance control trainer of lower extremity. Method: Thirty five hemiparetic patients who could stand and ambulate more than 10 meters without assist on even surface were included in this study. The balance control trainer of lower extremity was designed to measure weight shift and knee flexion angle of hemiparetic side and to play a game named "Board cleaner" which use these data, so considering the vertical movement of the center of gravity. We measured above three parameters, and also evaluated with clinical tests including berg balance scale (BBS). We evaluated correlations between parameters on the balance control trainer of lower extremity and clinical parameters. Results: Weight shifting to affected side statistically significantly correlated only with BBS. Affected knee flexion had statistically significant correlations with all clinical tests examined, especially 10 meters walking time (10mWT), timed up and go test (TUG), and BBS. Scores earned from board cleaner game also had statistically significant correlations with all clinical tests examined, especially 10mWT, TUG, and BBS. Conclusion: Correlation exists between the ability to control the affected knee measured by balance control trainer of lower extremity and clinical parameters including 10mWT, TUG, and BBS, so we think the balance control trainer can be a useful tool for the evaluation in hemiparetic patients. (J Korean Acad Rehab Med 2008; 32: 394-399)
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Comparison of the Effects between Growth Hormone and Hyaluronic Acid on Degenerative Cartilage of Knee in Rabbit.
Kim, Sang Beom , Lee, Kyeong Woo , Ha, Nam Jin , Lee, Jong Hwa , Kim, Young Dong , Joe, Yang Lae , Kim, Dae Chul
J Korean Acad Rehabil Med 2008;32(3):247-252.
Objective
To explore whether the growth hormone is effective in the treatment of degenerative cartilage of knee in rabbits.Method: Thirty New Zealand white rabbits were administered intra-articular injection with monosodium iodoacetate (Sigma, St. Louis, USA) 2.5 mg and divided into 3 groups. Each group was administered with hyaluronic acid (Hyruan plus, LG life science, Seoul, Korea)(group A) 0.6 ml, growth hormone (Declage, LG life science, Seoul, Korea) (group B) or saline (group C) 0.6 ml intra-articulary once a week for 4 weeks, beginning 4 weeks after the degeneration induction. All rabbits were killed 9 weeks after degeneration induction. The histologic morphology was observed by optical microscope with knee cartilage.Results: Mankin score was 2.4±1.3 in group A, 3.9±1.7 in group B, 7.4±0.8 in group C. Yoshimi score was 1.5±0.7 in group A, 2.2±0.9 in group B, 4.4±0.6 in group C. Gross and microscopic morphologic findings showed that group C represented the more severe than group A & B (p<0.01), also group A was better than group B (p<0.05).Conclusion: Growth hormone is effective on degenerative knee cartilage in rabbit model, but less than the hyaluronic acid. (J Korean Acad Rehab Med 2008; 32: 247-252)
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The Effect of Knee Osteoarthritis and Unilateral Total Knee Arthroplasty on Balance.
Cho, Hyung Jun , Cho, Dong Soo , Park, Seung Buhm , Yun, Seo Ra , Jung, Kwang Ik
J Korean Acad Rehabil Med 2007;31(6):725-729.
Objective
To assess the effect of knee osteoarthritis (OA) and unilateral total knee arthroplasty (TKA) on balance. Method: Fifteen patients with bilateral knee OA and fifteen patients with unilateral TKA and fifteen healthy adults were assessed by computerized dynamic posturography. The posturography test was performed 3 times at 6 different simulated conditions. We evaluated anteroposterior sway of center of gravity and strategy score of OA group, TKA group and healthy adults group. We compared the equilibrium scores of each group with normal data reported previously. We also compared strategy scores of each group.Results: Patients with bilateral knee OA and unilateral TKA showed lower equilibrium scores than normal one at the condition 4, 5, 6. But patients with unilateral TKA did not show significant equilibrium score difference as compared with bilateral knee OA patients. Patients with bilateral knee OA and unilateral TKA showed significantly lower strategy scores than normal one at the condition 4, 5, 6 (p<0.05). But patients with unilateral TKA did not show significant strategy score difference as compared with bilateral knee OA patients. Conclusion: Patients with bilateral knee OA showed deficit of dynamic postural control due to proprioceptive dysfunction. And TKA did not affect proprioceptive change in knee osteoarthritis. (J Korean Acad Rehab Med 2007; 31: 725-729)
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Comparison of Exercise Indexes between Knee Extension-Flexion Exercise and Treadmill Exercise.
Jang, Byung Hong , Yoon, Tae Sik , Park, Gi Young , Lee, So Young , Bae, Ha Suk
J Korean Acad Rehabil Med 2007;31(5):541-546.
Objective
To obtain clinical usefulness of knee extension- flexion exercise by comparing the exercise indexes between treadmill exercise and knee extension-flexion exercise and to collect reference of exercise indexes using knee extension-flexion exercise. Method: Sixty four young healthy subjects participated in two modes of exercise. Subjects performed exercise using isokinetic dynamometer in one leg knee extension-flexion exercise and treadmill running using Bruce protocol in treadmill exercise. We recorded oxygen consumption, heart rate during rest and exercise. Results: When comparing exercise indexes using treadmill exercise, we obtained relative exercise indexes using knee extension-flexion exercise, male 15.96%, female 15.77% in work rate, male 48.46%, female 52.53% in peak oxygen consumption, male 73.57%, female 80.82% in peak heart rate, male 65.97%, female 65.20% in oxygen pulse, male 56.07%, female 62.50% in peak tidal volume, male 82.56%, female 82.53% in peak respiratory rate, male 47.79%, female 49.48% in peak minute ventilation. In dynamic variables, we obtained male 266.82%, female 292.98% in ratio increase in oxygen consumption to increase in work rate. Conclusion: Knee extension-flexion exercise showed enough response to evaluate cardiorespiratory function through low work rate. Therefore knee extension-flexion exercise may be used for an exercise tolerance test in patients who cannot perform established exercise tolerance test. (J Korean Acad Rehab Med 2007; 31: 541-546)
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The Effect of Laterally Wedged Insoles on Standing Balance of Patients with Osteoarthritis in the Medial Compartment of Knees.
Yang, Myoung Seok , Kim, Young Gene , Oh, Ki Young , Lee, Kyu Hoon , Choi, Ki Seob , Kim, Mi Jung
J Korean Acad Rehabil Med 2007;31(3):324-328.
Objective
To investigate the effect of laterally wedged insole on static balance of patients with degenerative osteoarthritic knees. Method: Eighteen female patients were diagnosed with medial compartment knee degenerative osteoarthritis (OA) based on symptoms and simple X-rays. Patients were studied while they stood wearing shoes with the 5 degrees or 10 degrees lateral wedged insoles compared with a bare foot. Patients chose a comfortable stance with feet spread apart, slightly turned outwards, and were asked to look straight ahead at a fixed point in a quiet room. Postural sway and weight load asymmetry were recorded while the patients were standing on two adjacent force platforms during a 30 second trial. Results: Postural sway and weight load asymmetry for 30 seconds were not significantly changed by wearing laterally wedged insoles with varying elevations (p>0.05). Conclusion: The degree of the postural sway and weight load asymmetry for 30 seconds with the insole were not affected by the tilt of the lateral wedge. (J Korean Acad Rehab Med 2007; 31: 324-328)
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