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Superior Capsular Reconstruction with Achilles Tendon Allograft.

ABSTRACT: Superior capsular reconstruction (SCR) has become an increasingly popular choice in the treatment of massive, irreparable rotator cuff tears, pseudoparalysis, and in cases in which revision of previous rotator cuff repair is indicated. The SCR procedure is intended to restore the superior stabilizing forces of a deficient rotator cuff. This technique is accomplished by substituting an autograft or allograft between the superior glenoid and the greater tuberosity of the humerus, thus keeping the humeral head centered in the glenoid during shoulder forward flexion and abduction. Since its advent, numerous techniques have been described for this procedure. A fascia lata autograft was initially described; however, many surgeons in the United States have advocated for the use of a humeral dermal allograft. Yet, biomechanical studies have demonstrated elongation and thinning of this material. Thus, the Achilles tendon allograft may be an attractive choice for SCR, given its previous success with ligamentous and tendinous reconstructions. In this article, we present our technique of SCR using an Achilles tendon allograft.

SUBMITTER: Mease SJ

PROVIDER: S-EPMC7189387 | biostudies-literature |

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 Achilles Tendon Allograft.

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