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Journal of the Korean Academy of Rehabilitation Medicine 2003;27(3):388-393.
Clinical and Electrodiagnostic Findings of Failed Back Surgery Syndrome.
Park, Gi young , Kim, Jong Min
Department of Rehabilitation Medicine, Dongsan Medical Center, Keimyung University College of Medicine, Korea. dawoon@taegu.md
요추간판탈출증 수술실패 증후군 환자의 임상 및 전기진단학적 소견
박기영, 김종민
계명대학교 의과대학 재활의학교실
Abstract
Objective
To analyze the clinical and electrodiagnostic findings of patients with failed back surgery syndrome after lumbar disc operation.


Method
We investigated 28 patients with back and/or lower limb pain and weakness who were underwent lumbar spine operation. Seven patients who had undergone surgery due to spinal infection or fracture were excluded. Twenty-one patients included 7 female and 14 male patients with ages 20∼63 years, and the mean age was 44.4 years. The following data were evaluated: clinical symptoms, neurological examination, duration from operation to first visit, preoperative diagnosis, operation number and site, electrodiagnostic studies, radiologic studies (simple radiographs, epidurography, CT, MRI), and psychological evaluations (SCL-MPD).


Results
The time of the visit after the operation varied between one month and 15 years (mean 48.5 months). Electrodiagnostic study revealed lumbar radiculopathy in 18 patients and the most common level was at the fifth lumbar root. All eight patients who undergone epidurography showed filling defect or indentation. Psychologic evaluations were performed on five patients and they revealed high scores in depression and somatization.


Conclusion
Clinical and electrodiagnostic findings of lumbar radiculopathy, abnormal epidurographic findings and psychological results after lumbar disc operation were related to the causes of failed back surgery syndrome. (J Korean Acad Rehab Med 2003; 27: 388-393)

Key Words: Failed back surgery syndrome, Electrodiagnostic study, Epidurography


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