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Journal of the Korean Shoulder and Elbow Society 1998;1(1):19-25.
Published online March 30, 1998.
Diagnosis and Arthroscopic Decompression of Impingement Syndrome of the Shoulder
Ki Yong Byun, Jang Ik Lee, Kwang Jin Rhee, Soon Tae Kwon
Department of Orthopaedic Surgery, College of Medicine, Chungnam National University
견관절 충돌 증후군의 진단 및 관절경적 견봉 감압술
변기용, 이장익, 이광진, 권순태
충남대학교 의과대학 정형외과학교실
Appropriate clinical examination and imaging may lead to early diagnosis and treatment of the shoulder impingement syndrome, thus preventing progressing a complete tear of rotator cuff. The impingement syndrome was caused by repeated entrapment and compression of supraspinatus tendon between the proximal end of humerus inferiorly, particularly its greater tuberosity and one or more component of coracoacromial arch superiorly. The purpose of this study is to critically, evaluate the result of twenty-five consecutive subacromial decompression with impingement syndrome and to assess the diagnostic accuracy of MR imaging by using oblique coronal and oblique sagittal plan. These patients were treated by arthroscopic subacromial decompression after their pains failed to improve with conservative therapy over three month. The average follow up was 25 month(range, 12 to 50). The mean age was 43 year old. The results were rated based on subjective response and the UCLA shoulder rating scale of the result. Ten patients(40%) were rated as excellent, 11 patients(44%) were good, while four patients(16%) were fair. Radiologic evaluation suggested that the oblique sagittal plan of MRI can be helpful in evaluation of bony and soft-tissue structure of the coracoacromial arch and determining depth of bony resection. There were no infection or neurovascular injury. In reviewing our result, it appears that the arthroscopic subacromial decompression can be successful surgery for shoulder impingement syndrome and diagnostic accuracy of supplementary oblique sagittal view of MRI was relatively higher than oblique coronal view alone for appropriate surgical plan.
Key Words: Impingement syndrome, Arthroscopic decompression,


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