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  • Title: An evaluation of the effects of the extent of capsular release and of postoperative therapy on the temporal outcomes of adhesive capsulitis.
    Author: Diwan DB, Murrell GA.
    Journal: Arthroscopy; 2005 Sep; 21(9):1105-13. PubMed ID: 16171636.
    Abstract:
    PURPOSE: To evaluate effects of the extent of surgical release and of postoperative physiotherapy on the outcomes of this procedure. TYPE OF STUDY: Case-controlled cohort study. METHODS: Pain and range of motion scores were compared preoperatively, operatively, and at 1, 6, 12, 24, 52, and 104 weeks postoperatively, in 2 temporal cohorts of patients with adhesive capsulitis. The first cohort (n = 18) underwent a 155 degrees +/- 40 degrees (mean +/- SEM) standard anteroinferior arthroscopic capsule release of the shoulder (ACR-S) and rehabilitation. The second cohort (n = 22) underwent capsular release that was extended an additional 65 degrees +/- 65 degrees posteriorly, a portion of the intra-articular part of the subscapularis tendon was divided, and the patients had a modified earlier, supervised postoperative physical therapy program (ACR-M). RESULTS: In both cohorts, there was a significant reduction in pain 1 week after surgery, which was maintained at all time-points (P < .05). More gains in intraoperative range of forward flexion (121 degrees v 150 degrees), abduction (114 degrees v 146 degrees) and external rotation (55 degrees v 68 degrees) were obtained in the ACR-M cohort (P < .001). Six weeks after surgery, external and internal rotation regressed to preoperative levels in the ACR-S cohort; 2 of them required a re-release. This regression was not observed in the ACR-M cohort. There was no instability or weakness in lift-off power in either cohort. CONCLUSIONS: This is a level IV study of 2 nonrandomized cohorts where simultaneous changes in surgical technique and rehabilitation were introduced to the ACR-M cohort. Arthroscopic capsular release for adhesive capsulitis resulted in significant reductions in pain by 1 week in both cohorts. A more extensive capsular release with division of the intra-articular portion of subscapularis improved intraoperative motion. Gains in internal and external rotation were lost postoperatively in the ACR-S cohort, but were preserved when an extended surgical release and an early, supervised postoperative physical therapy program was initiated in the ACR-M cohort. LEVEL OF EVIDENCE: Level IV.
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