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Arthroscopic Repair of Retracted Large and Massive Rotator Cuff Tears With and Without Augmentation With a Bio-Inductive Collagen Implant Reveals Substantial and Comparable Clinical Improvement

医学 肩袖 植入 眼泪 外科 关节镜检查
作者
Ting Zhang,Adedapo Ajayi,Michael V. Hajjar,Cassie M. Fleckenstein,Joseph R. Nolan,Samer S. Hasan
出处
期刊:Arthroscopy [Elsevier BV]
卷期号:40 (5): 1434-1442 被引量:9
标识
DOI:10.1016/j.arthro.2023.10.024
摘要

Purpose The study objective was to compare clinical and imaging results after repair of retracted large and massive full-thickness rotator cuff tears, including revision repairs, with and without augmentation with a bio-inductive collagen implant. Methods The study group comprised 24 patients (17 males) with retracted 2 or 3 tendon rotator cuff tears undergoing arthroscopic repair followed by onlay augmentation with a bio-inductive collagen implant. The control group comprised 24 patients (19 males) matched by tear size undergoing repair without augmentation. Mean patient age at repair in both groups was 61 years. Active range of motion (ROM) and patient-reported outcomes (PROs) were recorded before and after surgery. Noncontrast high-field magnetic resonance imaging (MRI) was obtained in 20/24 collagen implant patients and 17/24 control patients at minimum 6 months follow-up to assess tendon healing. Results American Shoulder and Elbow Surgeons and Simple Shoulder Test scores improved from 35 to 86 and 3.6 to 9.3, respectively, in the collagen implant group and from 39 to 87 and 3.9 to 9.7 in the control group. The visual analog score–pain improved from 6.0 to 0.9 and from 5.9 to 0.9 in the collagen implant and control groups, respectively (P < .001 for all). Overall improvements in ROM and PROs were similar in both groups. MRI revealed intact repairs in 11/20 (55%) patients in the patch group and 9/17 (53%) in the control group. Two patients in each group were revised to reverse shoulder arthroplasty. Conclusions Arthroscopic repair of retracted large and massive rotator cuff tears, including revision repairs, with and without augmentation using a bio-inductive collagen implant results in substantial and comparable early clinical improvement, although predictable healing remains elusive. Further work is needed to optimize patient selection for massive rotator cuff repair and define more precisely the indications for augmentation of these repairs using the collagen implant. Level of Evidence Level III, retrospective cohort study. The study objective was to compare clinical and imaging results after repair of retracted large and massive full-thickness rotator cuff tears, including revision repairs, with and without augmentation with a bio-inductive collagen implant. The study group comprised 24 patients (17 males) with retracted 2 or 3 tendon rotator cuff tears undergoing arthroscopic repair followed by onlay augmentation with a bio-inductive collagen implant. The control group comprised 24 patients (19 males) matched by tear size undergoing repair without augmentation. Mean patient age at repair in both groups was 61 years. Active range of motion (ROM) and patient-reported outcomes (PROs) were recorded before and after surgery. Noncontrast high-field magnetic resonance imaging (MRI) was obtained in 20/24 collagen implant patients and 17/24 control patients at minimum 6 months follow-up to assess tendon healing. American Shoulder and Elbow Surgeons and Simple Shoulder Test scores improved from 35 to 86 and 3.6 to 9.3, respectively, in the collagen implant group and from 39 to 87 and 3.9 to 9.7 in the control group. The visual analog score–pain improved from 6.0 to 0.9 and from 5.9 to 0.9 in the collagen implant and control groups, respectively (P < .001 for all). Overall improvements in ROM and PROs were similar in both groups. MRI revealed intact repairs in 11/20 (55%) patients in the patch group and 9/17 (53%) in the control group. Two patients in each group were revised to reverse shoulder arthroplasty. Arthroscopic repair of retracted large and massive rotator cuff tears, including revision repairs, with and without augmentation using a bio-inductive collagen implant results in substantial and comparable early clinical improvement, although predictable healing remains elusive. Further work is needed to optimize patient selection for massive rotator cuff repair and define more precisely the indications for augmentation of these repairs using the collagen implant.
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