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Superior Capsular Reconstruction With the Addition of an Acromial Acellular Dermal Allograft Spacer.

ABSTRACT: Superior capsular reconstruction has emerged as a promising technique in the treatment of massive irreparable rotator cuff tears. The technical aspects of the surgery continue to evolve, and scientific studies to evaluate these techniques are emerging. One such area of interest concerns the appropriate thickness of the graft and its role as a spacer. The original description of the graft was an autograft tensor fascia lata, which was folded to achieve a thickness of around 8 mm. It has been demonstrated that an 8-mm graft is superior biomechanically to a 4-mm graft, which exceeds the typical human dermal allograft thickness. Herein we describe a technique in which an acellular human dermal allograft was used to perform a superior capsular reconstruction and the remainder of the graft was used to resurface the undersurface of the acromion. This modification of the technique allows for arthroscopic acromial resurfacing, as well as effectively doubling the thickness of the spacer function of the graft. The technique and justification are described in detail, and this has become the senior author's standard approach to the massive irreparable rotator cuff tear in patients with Hamada stages 2 and 3.

SUBMITTER: Makovicka JL

PROVIDER: S-EPMC6261734 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Project description:PurposeWe systematically reviewed the literature to compare the clinical and radiologic outcomes and retear rates of superior capsular reconstruction (SCR) using fascia lata autograft (FLA) versus human dermal allograft (HDA) in cases of massive irreparable rotator cuff tears.MethodsSearches of Pub Med and Cochrane Library identified clinical studies addressing SCR using FLA and HDA. Two reviewers independently screened the titles, abstracts and full texts to extract data from eligible studies. Reported outcome measures were descriptively analyzed.ResultsA total of 6 studies with 2 study groups satisfied the inclusion criteria. The number of shoulders in the HDA group was 155, and in the FLA group, the number was 140 shoulders. The mean age at time of surgery for the HDA group and the FLA group was 60.49 years and 65.8 years, respectively, and the mean follow-up was 15.2 months and 44.6 months, respectively. Active elevation improved from of 121°-130° to 158°-160° in the HDA group and from 74.8°-133° to 130.4°-146° in the FLA group. Active external rotation improved from 36°-45° in the HDA group and from 13°-28° to 30°-43° in the FLA group. The Visual Analog Scale for pain improved from 4-6.25 to 0.38-1.7 points in the HDA group, whereas in the FLA group, it improved from 6-2.5 points. In the HDA group, American Shoulder and Elbow Surgeons scores improved from 42-52 to 77.5-86.5, whereas in the FLA group scores improved from 35-54.4 to 73.7-94.3. The acromiohumeral distance improved in both groups. The retear rate was 3.4%-55% in the HDA group and 4.5%-29% % in the FLA group.ConclusionsArthroscopic SCR for massive, irreparable rotator cuff tears using both fascia lata allograft and human dermal allograft leads to improvement in clinical outcomes and radiologic outcomes. There is a lower retear rate in fascia lata allografts. The current literature is heterogeneous and has low levels of evidence.Level of evidenceLevel IV, systematic review of level IV studies.

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Superior Capsular Reconstruction With the Addition of an Acromial Acellular Dermal Allograft Spacer.

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