Journal
JOURNAL OF SHOULDER AND ELBOW SURGERY
Volume 29, Issue 2, Pages 392-401Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.jse.2019.07.005
Keywords
Superior; capsular reconstruction; irreparable rotator cuff tear; fascia lata autograft; dermal allograft
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Background: Superior capsular reconstruction (SCR) has recently been proposed as a surgical solution to the irreparable rotator cuff tear and has gained popularity because of promising early results. Therefore, the purpose of this study is to review the biomechanical and clinical outcomes in shoulders with this condition treated with SCR. Methods: A systematic review was conducted following PRISMA guidelines using PubMed, EMBASE, and Cochrane databases. Studies were included if they reported biomechanical, radiographic, or clinical outcomes data after undergoing SCR in shoulders with irreparable rotator cuff tears. Studies were broken down into 3 categories: cadaveric biomechanical studies, autograft clinical outcome studies, and allograft clinical outcome studies. Biomechanical, radiographic, patient-reported, and functional outcomes data were recorded for each study. Results: Eight cadaveric biomechanical studies, 5 autograft clinical studies, and 4 allograft clinical studies met inclusion criteria. In biomechanical studies, subacromial contact pressure and superior humeral translation were decreased in most tested scenarios. An increase in American Shoulder and Elbow Surgeons (ASES) scores, forward elevation and external rotation values, and acromiohumeral distance (AHD) were found in all autograft clinical studies reporting. Allograft clinical studies reported increases in ASES scores, forward elevation values, and AHD but decreases in visual analog scale scores in all studies reporting. Conclusions: SCR is emerging as a viable surgical option to address the irreparable rotator cuff tear. Biomechanical studies suggest that the humeral head-stabilizing effect of SCR appears to translate into improved clinical outcomes. Future research should focus on further defining the indications, limitations, and optimal technique. (C) 2019 Journal of Shoulder and Elbow Surgery Board of Trustees. All rights reserved.
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