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"Seong Yun Chung"

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"Seong Yun Chung"

Original Articles

Pain & Musculoskeletal rehabilitation

Ultrasonographic Assessment of the Safe Zone for Carpal Tunnel Intervention: A Comparison Between Healthy Individuals and Patients With Carpal Tunnel Syndrome
Byung Heon Kang, Sang Rok Woo, Hyun Jin Park, Seong Yun Chung, Seok Kang, Seong-Ho Jeong, Joon Shik Yoon
Ann Rehabil Med 2022;46(6):284-291.   Published online December 31, 2022
DOI: https://doi.org/10.5535/arm.22123
Objective
To compare transverse and longitudinal safe zones using ultrasonography between healthy individuals and patients with carpal tunnel syndrome (CTS).
Methods
This was a prospective observational case-control study. Forty wrists from 20 healthy individuals and 40 wrists from 24 patients with CTS were examined. Patients with CTS were classified into three groups (mild, moderate, and severe CTS) based on electrodiagnostic findings. Using ultrasonography, we measured the distance between the median nerve and ulnar vessels to identify the transverse safe zone, and between the distal flexor retinaculum and superficial palmar artery arch to identify the longitudinal safe zone.
Results
The transverse and longitudinal safe zones were significantly different between participants with CTS and those without CTS. The transverse safe zone significantly differed between the mild and severe CTS groups, while the longitudinal safe zone was not significantly different between the groups. The cross-sectional area of the median nerve negatively correlated with the transverse and longitudinal safe zones.
Conclusion
Transverse and longitudinal safe zones were narrower in patients with CTS than in the healthy group. A significant difference was observed between patients with mild CTS and those with severe CTS. Furthermore, the cross-sectional area of the median nerve was directly proportional to the degree of narrowing of the transverse and longitudinal safe zones.

Citations

Citations to this article as recorded by  
  • Ultrasound-Guided Partial Release of Transverse Carpal Ligament in Severe Carpal Tunnel Syndrome Using a Curved Needle
    Nishith Kumar, Upinderjeet Singh, Dharmendra Kumar Singh, Alfa Shamim Saifi
    Indian Journal of Radiology and Imaging.2025; 35(03): 490.     CrossRef
  • Ultrasound-guided release of carpal tunnel syndrome — Anterograde technique
    Carla Ricardo Nunes, Olivier Marès, Vincent Martinel
    Hand Surgery and Rehabilitation.2025; 44: 102091.     CrossRef
  • Ultrasonographic Assessment of Median Nerve and Carpal Tunnel Variations
    Eric J. Super, Marin S. Smith, Matthew E. Miller, Jay Smith, Xiaoning Yuan
    Journal of Ultrasound in Medicine.2025;[Epub]     CrossRef
  • USG-Guided Percutaneous Thread Carpal Tunnel Release
    Nishith Kumar, Alfa Shamim Saifi, Upinderjeet Singh, Dharmendra Kumar Singh
    Indian Journal of Radiology and Imaging.2024; 34(04): 745.     CrossRef
  • Clinical-applied anatomy of the carpal tunnel regarding mini-invasive carpal tunnel release
    Peter Kaiser, Gernot Schmidle, Simone Bode, Ulrike Seeher, Hanne-Rose Honis, Bernhard Moriggl, Elisabeth Pechriggl, Hannes Stofferin, Marko Konschake
    Archives of Orthopaedic and Trauma Surgery.2024; 144(11): 4753.     CrossRef
  • Ultrasound-guided interventions in primary carpal tunnel syndrome: perineural injection to thread carpal tunnel release
    Nishith Kumar, Shishir Kumar Chandan, Divesh Jalan, Skand Sinha, Binita Jaiswal, Dharmendra Kumar Singh
    The British Journal of Radiology.2023;[Epub]     CrossRef
  • 5,399 View
  • 112 Download
  • 6 Web of Science
  • 6 Crossref
Could Ultrasound-Guided Stimulation of Sural Nerve Affect Nerve Conduction Study?
Hanboram Choi, Seong Yun Chung, Seok Kang, Seong-Ho Son, Joon Shik Yoon
Ann Rehabil Med 2019;43(1):74-80.   Published online February 28, 2019
DOI: https://doi.org/10.5535/arm.2019.43.1.74
Objective
To determine anatomical variation of the sural nerve (SN) by ultrasonography (US) and compare sensory nerve action potential (SNAP) of the SN obtained by a control method to that obtained with adjusted method using US.
Methods
Eighty legs of 40 healthy volunteers were enrolled. The location and formation of SN were investigated through US. Two methods of nerve conduction study (NCS) were then performed. In the control method, the cathode was placed 14 cm proximal to the lateral malleolus and the greatest SNAP amplitude was obtained by moving the cathode medially or laterally from just lateral to the calf-mid line. In adjusted NCS, the exact SN union site was stimulated in type 1. In other SN types, the stimulation was done directly over the nerve and the distance from the lateral malleolus was set to be 14 cm.
Results
It was found that 73.8% of the SNs were type 1, 22.5% were direct continuation of MSCN (type 2), and 3.8% were MSCN and LSCN without communicating (type 4). However, type 3 was not found. The union point in type 1 SN was 12.6±2.5 cm proximal to the lateral malleolus and 1.4±0.7 cm lateral to the calf-midline. After stimulation adjustment, SNAP amplitude in type 1 SN was significantly increased (20.7±5.5 μV vs. 27.1±6.7 μV).
Conclusion
Anatomical variation of SN and its location were verified by US. US provides additional information for conducting sural NCS and helps obtain more accurate results.

Citations

Citations to this article as recorded by  
  • The value of ultrasound-guidance of nerves and muscles for patient tolerance and parameters electrodiagnostic studies
    Marie Laure Inghilleri, Sandrine Alonso, Hélène Moron, Hector Ruiz, Sophie Bastide, Sarah Coudray
    Clinical Neurophysiology Practice.2024; 9: 78.     CrossRef
  • An overview of neuromuscular ultrasound of important small nerves
    Eman A. Tawfik
    Egyptian Rheumatology and Rehabilitation.2024;[Epub]     CrossRef
  • Anatomical patterns of the sural nerve: a meta-analysis with clinical and surgical considerations
    Diogo Costa Garção, Maria Stephany de Souza Paiva, Karolaine Santos Corcinio
    Surgical and Radiologic Anatomy.2023; 45(6): 681.     CrossRef
  • Variations in sural nerve formation and course in fetuses
    Diogo Costa Garção, Maria Stephany de Souza Paiva, Karolaine Santos Corcinio
    Neurosurgical Review.2023;[Epub]     CrossRef
  • The Application of Ultrasound Guidance in Electrodiagnostic Studies – A Narrative Review
    Kuo-Chang Wei, Chueh-Hung Wu, Tyng-Guey Wang
    Journal of Medical Ultrasound.2023; 31(4): 263.     CrossRef
  • 8,609 View
  • 143 Download
  • 6 Web of Science
  • 5 Crossref
Predictive Variables for Sonographically Guided Corticosteroid Injection in Mild-to-Moderate Carpal Tunnel Syndrome
Seong Yun Chung, Jung Min Kwak, Seok Kang, Seong-Ho Son, Jae Do Kim, Joon Shik Yoon
Ann Rehabil Med 2018;42(2):213-221.   Published online April 30, 2018
DOI: https://doi.org/10.5535/arm.2018.42.2.213
Objective

To assess the predictive variables after sonographically guided corticosteroid injection in carpal tunnel syndrome.

Methods

A prospective, observational study was carried out on 25 wrists of 20 consecutive patients with carpal tunnel syndrome, confirmed by the American Association of Neuromuscular and Electrodiagnostic Medicine criteria, which includes clinical history, symptoms, and evidence of slowing of distal median nerve conduction. Visual analogue scale (VAS) and Boston Carpal Tunnel Questionnaire (BCTQ) were asked to the patients before and 4 weeks after the procedure. On a basis of VAS difference before and after the procedure, we divided the patients into two groups: more than 50% of VAS improving (good response group) and less than 50% of VAS improving (poor response group). Also, nerve conduction studies and ultrasound evaluations were performed prior to sonographically guided corticosteroid injection and at 4 weeks after the procedure. The cross-sectional area (CSA) of median nerve at maximal swelling point around wrist was measured by manual tracing using ultrasonography. With assessments mentioned above, we tried to assess predictive variables for prognosis after sonographically guided corticosteroid injection in carpal tunnel syndrome.

Results

The CSA of median nerve at wrist measured before the procedure was significantly larger in good response group than in poor response group. Furthermore, the CSA of median nerve at wrist, symptom severity scale of BCTQ, motor/sensory latency and sensory amplitude were correlated with VAS improving.

Conclusion

The CSA of median nerve at wrist is the strongest predictive value for sonographically guided corticosteroid injection in mild-to-moderate carpal tunnel syndrome.

Citations

Citations to this article as recorded by  
  • What factors influence pain scores following Corticosteroid injection in patients with Greater Trochanteric Pain Syndrome? A systematic review
    Ben Foxcroft, Gareth Stephens, Tim Woodhead, Colin Ayre
    BMC Musculoskeletal Disorders.2024;[Epub]     CrossRef
  • CLINICAL AND INSTRUMENTAL PREDICTORS OF THE EFFICIENCY OF CONSERVATIVE AND OPERATIVE TREATMENT OF MEDIAN NERVE NEUROPATHY IN THE CARPAL TUNNEL
    Oksana H. Haiko, Liudmyla I. Klymchuk
    Clinical and Preventive Medicine.2024; (4): 50.     CrossRef
  • High-resolution ultrasonography in carpal tunnel syndrome: role of ancillary criteria in diagnosis and response to steroid injection
    Rudra Prosad Goswami, Hiramanik Sit, Moumita Chatterjee, Debasish Lahiri, Geetabali Sircar, Parasar Ghosh
    Clinical Rheumatology.2021; 40(3): 1069.     CrossRef
  • Outcome predictors of platelet‐rich plasma injection for moderate carpal tunnel syndrome
    Yu‐Ping Shen, Tsung‐Ying Li, Yu‐Ching Chou, Liang‐Cheng Chen, Yung‐Tsan Wu
    International Journal of Clinical Practice.2021;[Epub]     CrossRef
  • Etiopathogenic Value of the Associated Pathology in Carpal Tunnel Syndrome
    Pănculescu Florin Gabriel, Stefănescu Raluca, Bratu Iulian Cătălin, C. Podac, Bordeianu Ion
    ARS Medica Tomitana.2019; 25(1): 36.     CrossRef
  • 6,371 View
  • 144 Download
  • 5 Web of Science
  • 5 Crossref
Relation of Urinary Retention and Functional Recovery in Stroke Patients During Rehabilitation Program
Seok Beom Son, Seong Yun Chung, Seok Kang, Joon Shik Yoon
Ann Rehabil Med 2017;41(2):204-210.   Published online April 27, 2017
DOI: https://doi.org/10.5535/arm.2017.41.2.204
Objective

To investigate the relationship between urinary retention and short-term functional recovery in subacute stage after stroke.

Methods

The medical records of 94 patients admitted to the rehabilitation unit of Korea University Guro Hospital were reviewed retrospectively. The postvoid residual urine (PVR) was measured at least once a day using a bladder scan, and urinary retention (UR) was defined when the daily PVR volume consistently checked more than 100 mL. Clinical data and functional outcomes of patients in the rehabilitation ward were collected. Functional outcomes were measured using the Mini-Mental State Examination (MMSE), Berg Balance Scale (BBS), Functional Ambulation Category (FAC) level, Fugl-Meyer Assessment (FMA), and Modified Barthel Index (MBI) at admission (or transfer) and discharge. The data of patients with and without urinary retention were compared and analyzed.

Results

Of the 94 participants, 25 patients were classified to the UR group and 69 were classified to the non-UR group. At the initial stage of rehabilitation, the scores of MMSE, BBS, FAC, MBI were significantly worse in the UR group (p<0.05). Both groups showed significant improvements of all functional outcomes after rehabilitation (p<0.05). The non-UR group showed more prominent recovery of BBS, FAC, MBI scores (p<0.05).

Conclusion

Urinary retention in post-stroke patients is significantly related to the poor functional status at initial stage of rehabilitation, and also to poor recovery after rehabilitation.

Citations

Citations to this article as recorded by  
  • Progress of Clinical Research on Acupuncture in the Treatment of Post-Stroke Urinary Retention
    熠飞 罗
    Traditional Chinese Medicine.2025; 14(02): 483.     CrossRef
  • Incidence and Risk Factors of Urinary Retention in Acute Ischemic Stroke Patients
    Jie Li, Xiaoying Miao, Yan Chen, Jianke Gu, Yan Zeng, Qinhui Zhu, Huiqi Yao
    The Neurologist.2025; 30(4): 222.     CrossRef
  • Subacute stroke: new-onset poststroke bladder and bowel dysfunctions and possible associated factors
    Rafaela Rodrigues Evangelista, Bruno Silva Lopes, David Coutinho, Elisa Moreira, Andreia Silva, Pedro Leonel Almeida, Vera Ermida, Jorge Caldas, Ana Gomes, Ilídia Carmezim, Viviana Barreira, Lara Pinheiro-Guedes
    Disability and Rehabilitation.2024; 46(6): 1073.     CrossRef
  • Do proprioceptive training strategies with dual-task exercises positively influence gait parameters in chronic stroke? A systematic review
    Michele Vecchio, Rita Chiaramonte, Alessandro De Sire, Enrico Buccheri, Patrizia Finocchiaro, Dalila Scaturro, Giulia Letizia Mauro, Matteo Cioni
    Journal of Rehabilitation Medicine.2024; 56: jrm18396.     CrossRef
  • Relation between Lower Urinary Tract Dysfunction and Functional Outcome in Patients After Brain Tumor Resection
    Ga Ram Hong, Min Ho Chun
    Brain & Neurorehabilitation.2023;[Epub]     CrossRef
  • Correlation between ischemic stroke topography and female urinary incontinence
    Leonardo L. Tonani, Maria A.T. Bortolini, Renata G.M. Santos, Marcia M. Fukujima, Rodrigo A. Castro
    European Journal of Obstetrics & Gynecology and Reproductive Biology.2023; 291: 206.     CrossRef
  • Impact of early urinary catheter removal on successful voiding and physical function in stroke patients
    Megumi Tsuda, Tomoya Fukawa, Yasuyo Yamamoto, Kei Daizumoto, Yutaro Sasaki, Yoshiteru Ueno, Ryotaro Tomida, Yoshito Kusuhara, Kunihisa Yamaguchi, Masayuki Takahashi, Hiro-omi Kanayama
    The Journal of Medical Investigation.2023; 70(3.4): 436.     CrossRef
  • The Relationship Between Urinary Symptom Severity And Functional Status İn Patients With Stroke
    Fatma Özcan, Zuhal Özişler
    Scottish Medical Journal.2022; 67(2): 64.     CrossRef
  • Two Cases of Acute Urinary Retention Associated With Acute Sarcopenia in Older Women
    Taku Harada, Shota Nohara, Miki Sato, Kanako Kokuno, Mori Nakai
    Cureus.2022;[Epub]     CrossRef
  • Analysis of the Failure of Removal of the Urinary Catheter for Patients With Intracerebral Hemorrhage Postoperatively
    E. Zhou, Jin-Ai He, Ling Liu, Jing Wang, Wei-Long Ding
    The Neurologist.2022; 27(6): 313.     CrossRef
  • Assessing Postvoid Residual to Identify Risk for Urinary Complications Post Stroke
    Carolyn E. Smith, Melissa A. Schneider
    Journal of Neuroscience Nursing.2020; 52(5): 219.     CrossRef
  • Post-stroke lower urinary system dysfunction and its relation with functional and mental status: a multicenter cross-sectional study
    Yeşim Akkoç, Ayşe Nur Bardak, Murat Ersöz, Bilge Yılmaz, Necmettin Yıldız, Belgin Erhan, Hakan Tunç, Kurtulus Koklu, Ebru Alemdaroğlu, Asuman Dogan, Zuhal Ozisler, Engin Koyuncu, Nilgün Şimşir Atalay, Berrin Gündüz, Rıdvan Işık, Ayse Güler, Merve Sekizkar
    Topics in Stroke Rehabilitation.2019; 26(2): 136.     CrossRef
  • Managing of Lower Urinary Tract Dysfunction Following Stroke
    Nataša Bizovičar
    Current Bladder Dysfunction Reports.2018; 13(3): 125.     CrossRef
  • 7,527 View
  • 179 Download
  • 12 Web of Science
  • 13 Crossref
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