Treatment Outcomes of Single-Versus Double-Row Repair for Larger Than Medium-Sized Rotator Cuff Tears The Effect of Preoperative Remnant Tendon Length
- Authors
- Kim, Young Kyu; Moon, Sung Hoon; Cho, Seung Hyun
- Issue Date
- Oct-2013
- Publisher
- SAGE PUBLICATIONS INC
- Keywords
- rotator cuff repair; single row; double row; length of tendon remnant; retear rate
- Citation
- AMERICAN JOURNAL OF SPORTS MEDICINE, v.41, no.10, pp.2270 - 2277
- Journal Title
- AMERICAN JOURNAL OF SPORTS MEDICINE
- Volume
- 41
- Number
- 10
- Start Page
- 2270
- End Page
- 2277
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/14253
- DOI
- 10.1177/0363546513499000
- ISSN
- 0363-5465
- 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.
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