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Arthroscopic Bankart Repair Using Knotless Suture Anchors

      The recently published article by Cho et al.
      • Cho N.S.
      • Lubis A.M.T.
      • Ha J.H.
      • Rhee Y.G.
      Clinical results of arthroscopic Bankart repair with knot-tying and knotless suture anchors.
      is a retrospective evaluation of 123 shoulders in 117 patients who underwent arthroscopic Bankart repair using either knot-tying suture anchors or knotless suture anchors. Of the patients, 41 (30% of the cohort) were retrospectively excluded from the study. The authors report on the 82 remaining patients, consisting of 61 patients in the knot-tying group and 21 in the knotless group. The redislocation rate in the knot-tying group was superior to that in the knotless group. There are numerous flaws in this study that raise significant questions as to the validity of the authors’ conclusions.
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      References

        • Cho N.S.
        • Lubis A.M.T.
        • Ha J.H.
        • Rhee Y.G.
        Clinical results of arthroscopic Bankart repair with knot-tying and knotless suture anchors.
        Arthroscopy. 2006; 22: 1276-1282
        • Hayashida K.
        • Yoneda M.
        • Mizuno N.
        • Fukushima S.
        • Nakagawa S.
        Arthroscopic Bankart repair with knotless suture anchor for traumatic anterior shoulder instability: Results of short-term follow-up.
        Arthroscopy. 2006; 22: 620-626
        • Garofalo R.
        • Mocci A.
        • Moretti B.
        • et al.
        Arthroscopic treatment of anterior shoulder instability using knotless suture anchors.
        Arthroscopy. 2005; 21: 1283-1289
        • Thal R.
        • Nofziger M.
        • Bridges M.
        • Kim J.J.
        Arthroscopic Bankart repair using Knotless or BioKnotless suture anchors: 2- to 7-year results.
        Arthroscopy. 2007; 23: 367-375

      Linked Article

      • Clinical Results of Arthroscopic Bankart Repair With Knot-Tying and Knotless Suture Anchors
        ArthroscopyVol. 22Issue 12
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          Purpose: To compare the results of arthroscopic Bankart repair completed with knot-tying with results of the procedure performed with knotless suture anchors. Methods: We evaluated 82 patients who underwent arthroscopic Bankart repair. A total of 61 patients were treated with knot-tying suture anchors, and 21 patients were treated with knotless suture anchors during the same period. In all, 75 male and 7 female patients were studied. Mean patient age at the time of operation was 24 years (range, 16 to 42 years), and the mean follow-up period had a duration of 29 months (range, 24 to 41 months’ duration).
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      • Authors’ Reply
        ArthroscopyVol. 23Issue 5
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          We thank Dr. Thal for his sincere and valuable comments about our article. We are pleased to offer our explanation to clarify the queries raised. The surgical technique used for the knotless anchor insertion in our study is not different from that described by the manufacturer, DePuy Mitek.1 We described that a “bone punch” was used to create a “punch hole” only when knot-tying suture anchors were used. When knotless suture anchors were used, drill holes were created by use of the Mitek drill guide and the Mitek 2.9-mm arthroscopic super drill.
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