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Anterior Capsule Reconstruction for Irreparable Subscapularis Tears.

ABSTRACT: A subscapularis complete tear presents its own challenges in management. The glenohumeral biomechanics and force couple are reliant on a competent and functioning subscapularis muscle. An irreparable subscapularis makes those same challenges even more difficult to address. Traditionally, this problem has been addressed with tendon transfers, including pectoralis major or latissimus dorsi. These techniques can alter the ideal biomechanics of the shoulder and have high rates or failure. Iliotibial autograft or tibialis anterior have also been wrought with high failure rates. Recently, the superior capsular reconstruction has been described for irreparable tears of the supraspinatus and infraspinatus. Theoretically, this procedure can act as a check rein against subluxation, and may serve to reconnect the force couples of the rotator cuff. Anterior escape may represent a similar challenge when the irreparable rotator cuff tendon is the subscapularis. To address this, we describe an open anterior capsule reconstruction technique with an acellular dermal graft. We theorize that this procedure may serve in a similar capacity to its superior capsular counterpart.

SUBMITTER: Rogers JP

PROVIDER: S-EPMC5765719 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Anterior Capsule Reconstruction for Irreparable Subscapularis Tears.

Rogers Jason P JP Kwapisz Adam A Tokish John M JM

Arthroscopy techniques 20171120 6

A subscapularis complete tear presents its own challenges in management. The glenohumeral biomechanics and force couple are reliant on a competent and functioning subscapularis muscle. An irreparable subscapularis makes those same challenges even more difficult to address. Traditionally, this problem has been addressed with tendon transfers, including pectoralis major or latissimus dorsi. These techniques can alter the ideal biomechanics of the shoulder and have high rates or failure. Iliotibial ...[more]

PMID: 29349025

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Project description:PurposeTo elucidate the clinical outcomes of patients who underwent anterior capsular reconstruction (ACR) with dermal allograft for irreparable subscapularis tears in native shoulders at a minimum of 2-year follow-up.MethodsThis study included patients who underwent ACR by a single surgeon between March 2015 and September 2018. Clinical and intraoperative findings were recorded. Patient-reported outcomes were evaluated pre- and postoperatively, including American Shoulder and Elbow Surgeons, Single Assessment Numeric Evaluation, General Health Short-Form 12 Physical Component Summary and patient satisfaction (on a 1-10 scale, with 10 = best). Failure was defined as revision subscapularis surgery or conversion to reverse total shoulder arthroplasty.ResultsSeven patients who underwent ACR at a mean age of 53 ± 7.3 years at the time of surgery were included. Median time from injury to surgery was 13.8 months (range 13.8-32.0 months). Two patients had concomitant superior capsular reconstruction. One patient progressed to a reverse total shoulder arthroplasty at 6.8 months. Minimum 2-year follow-up was obtained in the remaining 6 of 6 (100%) patients, with a mean follow-up of 3.4 years (range 2.0-6.2). There was significant improvement in the Quick Disabilities of the Arm, Shoulder and Hand score (preoperative: 32.7, postoperative: 9.5, P = .04), whereas the American Shoulder and Elbow Surgeons score, Single Assessment Numeric Evaluation, and SF-12 PCS scores demonstrated nonsignificant improvement. Median patient satisfaction was 9.5 (range 7-10).ConclusionsThis small cohort of patients had a significant improvement in Quick Disabilities of the Arm, Shoulder and Hand score, high patient satisfaction, and relatively low conversion rate to reverse total shoulder arthroplasty. These clinical outcomes demonstrate that ACR with a dermal allograft may be a viable salvage operation for irreparable subscapularis tears in the short-term.Level of evidenceLevel IV, therapeutic case series.

Dataset Information

Anterior Capsule Reconstruction for Irreparable Subscapularis Tears.

Publications

Anterior Capsule Reconstruction for Irreparable Subscapularis Tears.

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