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Bone Marrow Stimulation in Arthroscopic Repair for Large to Massive Rotator Cuff Tears With Incomplete Footprint Coverage

 Chul Kim  ;  Yun-Jae Lee  ;  Sung-Jae Kim  ;  Tae-Hwan Yoon  ;  Yong-Min Chun 
 AMERICAN JOURNAL OF SPORTS MEDICINE, Vol.48(13) : 3322-3327, 2020-11 
Journal Title
Issue Date
arthroscopy ; bone marrow stimulation ; repair ; shoulder
Background: There is no research on incomplete footprint coverage with single-row repair related to bone marrow stimulation (BMS) in large to massive rotator cuff tears (RCTs). Purpose/hypothesis: The purpose was to compare the clinical results and structural integrity between BMS and non-BMS groups that underwent arthroscopic repair of large to massive rotator cuff tears with <50% footprint coverage. It was hypothesized that both groups would exhibit improved clinical outcomes at 2 years after surgery but the BMS group would have significantly better clinical outcomes and structural integrity. Study design: Cohort study; Level of evidence, 3. Methods: This study included 98 patients who underwent arthroscopic repair with <50% footprint coverage for large to massive RCTs with (BMS group; n = 56) or without (non-BMS group; n = 42) BMS. Functional outcomes at the 2-year follow-up were assessed using the visual analog scale for pain score, subjective shoulder value; American Shoulder and Elbow Surgeons score; University of California, Los Angeles, shoulder score; and active range of motion. Structural integrity was evaluated using magnetic resonance arthrography or computed tomography arthrography results at 6 months postoperatively. Results: At the 2-year follow-up, all functional outcomes significantly improved in both groups compared with preoperative values (P < .001). However, there were no significant postoperative differences between groups. On follow-up magnetic resonance arthrography or computed tomography arthrography, the overall retear rate was not significantly different between the BMS group (30.3%; 17/56) and the non-BMS group (35.7%; 15/42). Conclusion: While both groups exhibited functional improvement after single-row repair with <50% footprint coverage for large to massive RCTs, BMS did not produce better clinical outcomes or structural integrity.
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1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Yoon, Tae Hwan(윤태환) ORCID logo https://orcid.org/0000-0002-2859-5240
Lee, Yunjae(이윤재)
Chun, Yong Min(천용민) ORCID logo https://orcid.org/0000-0002-8147-6136
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