Young Kyu Kim1, Sung Hoon Moon, Seung Hyun Cho. 1. Sung Hoon Moon, Department of Orthopaedic Surgery, Kangwon National University Hospital, 17-1 Hyoja 3-dong, Chuncheon 200-722, South Korea. luteus@naver.com.
Abstract
BACKGROUND: In rotator cuff repair, no practical guidelines exist for deciding which technique is the most beneficial to outcomes. PURPOSE: To determine which of 2 repair techniques, the single-row (SR) and double-row suture bridge (DR-SB) methods, leads to better therapeutic outcomes in terms of remnant tendon length in patients with larger than medium-sized cuff tears. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Remnant tendon length, muscle atrophy, and fatty degeneration were measured on preoperative magnetic resonance imaging (MRI) in 78 patients with larger than medium-sized rotator cuff tears who were available for follow-up MRI. There were 30 patients with remnant tendons <10 mm in length (group 1) and 48 with remnant tendons ≥10 mm in length (group 2). In group 1, the SR technique was performed on 17 patients and the DR-SB technique on 13 patients. In group 2, the SR technique was performed on 16 patients and the DR-SB technique on 32 patients. The mean follow-up period for all patients was 26.6 months (range, 24-42 months). Clinical outcomes were evaluated using the University of California, Los Angeles (UCLA), Constant, and American Shoulder and Elbow Surgeons (ASES) scores. RESULTS: In group 1, there was 1 retear (6%) with the SR repair and 6 (46%) with the DR-SB repair. In group 2, there were 3 retears (19%) with the SR repair and 2 (6%) with the DR-SB repair. The retear rate was significantly higher in patients with the DR-SB repair in group 1 (P = .025), while there was no significant difference between the 2 techniques in group 2 (P = .316). The UCLA and Constant scores were significantly higher in patients with the SR repair in group 1 (P = .02 and P = .029, respectively), and the UCLA and ASES scores were significantly higher in patients with the DR-SB repair in group 2 (P < .001 and P = .001, respectively). CONCLUSION: Remnant tendon length should be considered to improve repair integrity. The SR technique may provide superior rotator cuff integrity when remnant tendons are <10 mm in length.
BACKGROUND: In rotator cuff repair, no practical guidelines exist for deciding which technique is the most beneficial to outcomes. PURPOSE: To determine which of 2 repair techniques, the single-row (SR) and double-row suture bridge (DR-SB) methods, leads to better therapeutic outcomes in terms of remnant tendon length in patients with larger than medium-sized cuff tears. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Remnant tendon length, muscle atrophy, and fatty degeneration were measured on preoperative magnetic resonance imaging (MRI) in 78 patients with larger than medium-sized rotator cuff tears who were available for follow-up MRI. There were 30 patients with remnant tendons <10 mm in length (group 1) and 48 with remnant tendons ≥10 mm in length (group 2). In group 1, the SR technique was performed on 17 patients and the DR-SB technique on 13 patients. In group 2, the SR technique was performed on 16 patients and the DR-SB technique on 32 patients. The mean follow-up period for all patients was 26.6 months (range, 24-42 months). Clinical outcomes were evaluated using the University of California, Los Angeles (UCLA), Constant, and American Shoulder and Elbow Surgeons (ASES) scores. RESULTS: In group 1, there was 1 retear (6%) with the SR repair and 6 (46%) with the DR-SB repair. In group 2, there were 3 retears (19%) with the SR repair and 2 (6%) with the DR-SB repair. The retear rate was significantly higher in patients with the DR-SB repair in group 1 (P = .025), while there was no significant difference between the 2 techniques in group 2 (P = .316). The UCLA and Constant scores were significantly higher in patients with the SR repair in group 1 (P = .02 and P = .029, respectively), and the UCLA and ASES scores were significantly higher in patients with the DR-SB repair in group 2 (P < .001 and P = .001, respectively). CONCLUSION: Remnant tendon length should be considered to improve repair integrity. The SR technique may provide superior rotator cuff integrity when remnant tendons are <10 mm in length.
Entities:
Keywords:
double row; length of tendon remnant; retear rate; rotator cuff repair; single row
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