| Prognostic Factors for Arthroscopic Subacromial Decompression |
| Sung-Jae Kim , Sang-Jin Shin, Moon-Soo Park |
| Department of Orthopaedic Surgery, College of Medicine, Yonsei University |
| 관절경적 견봉하 감압술에 영향을 미치는 예후 인자 |
| 김성재, 신상진, 박문수 |
| 연세대학교 의과대학 정형외과학교실 |
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| Abstract |
Purpose
: The purpose of this study was to analyze the prognostic factors for
arthroscopic subacromial decompression and rotator cuff debridement in impingement
syndrome.
Materials and methods : Arthroscopic subacromial decompression with or without
rotator cuff debridement was performed in 46 cases of 44 consecutive patients with
either stageⅡ or stage Ⅲ impingement syndrome. The patients were classified by
Neer's stage and size of tear according to the criteria of Cofield. The results were
assessed with UCLA rating scale. We used repeated measures ANOVA and Chi-square
test to assess correlation between the results and six variables including stage, rotator
cuff tear size, age at the operation, duration of symptom, throwing sports activity, and
trauma history. The follow-up period averaged 53 months(range, 27 to 92 months).
Results
: Lower stage by Neer's stage was correlated with higher postoperative scores
and with significant difference between preoperative and postoperative scores of UCLA
rating scale. However, other factors did not show significant influence upon the results.
The patients with complete rotator cuff who showed satisfactory results after procedures
were older and had shorter symptom duration, small cuff size.
Conclusion
: In patients with impingement syndrome treated by arthroscopic
debridement and subacromial decompression, superior results were obtained when
belonged to a lower Neer stage and when the rotator cuff was only partially torn. In
cases with complete rotator cuff tear, higher success rates were obtained with smaller
tear sizes. Age at operation, duration of symptoms, throwing athlete, traumatic tear did
not affect the results. |
| Key Words:
Shoulder, Impingement syndrome, Subacromial decompression, Arthroscopy, |
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