Yonsei Med J.  2021 Aug;62(8):743-749. 10.3349/ymj.2021.62.8.743.

Knot-Tying versus Knotless Suture Anchors for Arthroscopic Bankart Repair: A Comparative Study

Affiliations
  • 1Department of Orthopedic Surgery, Sungkyunkwan University College of Medicine, Samsung Medical Center, Seoul, Korea

Abstract

Purpose
This study aimed to compare the results of using knotless and knot-tying suture anchors in arthroscopic Bankart repair.
Materials and Methods
The patients who underwent arthroscopic Bankart repair between 2011 and 2017 using knot-tying and knotless suture anchors were retrospectively reviewed. We collected demographic data, clinical scores (pain visual analogue scale), functional visual analogue scale, American Shoulder and Elbow Society scores, and Rowe score), and range of motion (ROM). Re-dislocation and subjective anterior apprehension test rates between the two techniques were also analyzed.
Results
Of the 154 patients who underwent arthroscopic Bankart repair, 115 patients (knot-tying group: n=61 and knotless group: n=54) were included in this study. Of the 115 patients, 102 were male and 13 were female. The mean patient age was 27 years (range: 17–60), and the mean follow-up period was 43 months (range: 24–99). There were no significant differences in the final clinical scores and ROM between the two groups. Re-dislocation was observed in 6 (9.8%) and 4 (7.3%) patients in the knot-tying and knotless groups, respectively. Apprehension was observed in 11 (18.0%) and 12 (22.2%) patients in the knot-tying and knotless groups, respectively. There were no significant differences between the two groups in regards to re-dislocation and anterior apprehension.
Conclusion
Re-dislocation rates and clinical scores were similar with the use of knotless and knot-tying suture anchors in arthroscopic Bankart repair after a minimal 2 year follow-up.

Keyword

Shoulder; arthroscopy; joint instability; bankart lesions; suture anchors
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