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Journal of the Korean Academy of Rehabilitation Medicine 2009;33(5):557-563.
Prevalence and Association Factors of Posterior Longitudinal Ligament in Patients with Spondyloarthropathies.
Kim, Min Su , Kwon, Jong Won , Bae, Su Ho , Park, Yun Hee , Choi, Kyung Phil , Sung, Duk Hyun
1Department of Physical Medicine and Rehabilitation, Sungkyunkwan University School of Medicine, Korea. yays.sung@samsung.com
2Department of Radiology, Sungkyunkwan University School of Medicine, Korea.
척추관절병증 환자에서 후종인대골화증의 유병률 및 관련인자
김민수, 권종원1, 배수호1, 박윤희, 최경필, 성덕현
성균관대학교 의과대학 삼성서울병원 재활의학교실, 1영상의학교실
To investigate prevalence of ossification of posterior longitudinal ligament (OPLL) in Korean patients with Spondyloarthropathies (SpA), and the associations between OPLL and clinical, radiologic findings of SpA.
A cross-sectional radiological review was performed in patients diagnosed with SpA from 2000 to 2007. Each of two physiatrists and musculoskeletal radiologists screened the cervical (lateral) and pelvis (anterior-posterior) radiographs of these patients separately, then confirmed presence of OPLL. Bath ankylosing spondylitis radiology index (BASRI) of the cervical spine and grade of sacroiliitis were also measured. A review of the medical records and laboratory findings was conducted to investigate the association between the clinical, laboratory findings and the OPLL.
Among 172 patients with SpA, OPLL was found in 16 patients (9.3%; 95% CI 5.0, 13.6). There were significant associations between OPLL and old age (p=0.043), symptoms and signs of myeloradiculopathy (p=0.030), and diabetes mellitus (DM) (p=0.022).
The prevalence of OPLL in Korean patients with SpA is 9.3%. OPLL in patients with SpA is associated with old age, symptoms and signs of myeloradiculopathy, and diabetes. However, no factors specific characteristics of SpA were associated with OPLL. (J Korean Acad Rehab Med 2009; 33: 557-563)
Key Words: Ossification of the posterior longitudinal ligament, Prevalence, Spondyloarthropathies


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