2019 ISAKOS Biennial Congress ePoster #2045
Healing Rates of Massive Rotator Cuff Tears between Allograft Reconstruction versus Maximal Repair: A Prospective Randomized Controlled Trial
Anjaneyulu Purnachandra Tejaswi Ravipati, MS, DNB, Halifax, NS CANADA
Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med, Halifax, NS CANADA
Dalhousie University and Nova Scotia Health Authority, Halifax, NS, CANADA
FDA Status Cleared
Summary
To determine the healing rate of rotator cuff reconstruction with an acellular human dermal allograft compared with the current gold standard arthroscopic maximal rotator cuff repair of large, chronic tears of the rotator cuff.
Abstract
Purpose
To determine the healing rate of rotator cuff reconstruction with an acellular human dermal allograft compared with the current gold standard arthroscopic maximal rotator cuff repair of large, chronic tears of the rotator cuff.
Methods
Thirty patients with a two-tendon chronic retracted rotator cuff tear were enrolled in the study and were randomly allocated (15) to each group. All the patients were evaluated for structural integrity of repair using a 1.5T MRI at an average of 15 months after surgery. Rotator cuff arthropathy (RCA) and acromio-humeral distance (AHD) were graded using X-rays. WORC, DASH, MARX scores, range of motion (ROM) of shoulder were also analyzed.
Results
Re-tear rate in reconstruction group was 13% (2 of 15 patients) compared to 67%(10/15) in repair group (p=0.008). Progression of RCA was seen in 7.14%(1/14) and 35.71%(4/14) of patients in reconstruction and repair group; respectively (p=0.006). The change in AHD (preop-postop) was significantly higher in repair (reduced by 2.27 mm) than the reconstruction group (increased by 0.1 mm) (P=0.006). Both groups had significant improvements in patient reported outcome scores. Reconstruction group had statistically significant better forward flexion (p= 0.01) and scapular plane abduction (p=0.03) compared to repair.
Conclusions
Rotator cuff reconstruction with a dermal allograft demonstrated favorable structural healing rates and improved range of motion compared to maximal repair in the short term. Moreover, those in the maximal repair group were more likely to develop RCA compared to reconstruction.