Stitch positioning influences the suture hold in supraspinatus tendon repair

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• 作者：Karl Wieser (1)
  Stefan Rahm (1)
  Mazda Farshad (1)
  Eugene T. Ek (1)
  Christian Gerber (1)
  Dominik C. Meyer (1)
  
• 关键词：Rotator cuff repair ; Suture cutout ; Fixation strength ; Rotator cable
• 刊名：Knee Surgery, Sports Traumatology, Arthroscopy
• 出版年：2013
• 出版时间：July 2013
• 年：2013
• 卷：21
• 期：7
• 页码：1587-1592
• 全文大小：318KB
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• 作者单位：Karl Wieser (1)
  Stefan Rahm (1)
  Mazda Farshad (1)
  Eugene T. Ek (1)
  Christian Gerber (1)
  Dominik C. Meyer (1)
  
  1. Orthopaedic Department, Balgrist Hospital, University of Zurich, Forchstrasse 340, 8008, Zurich, Switzerland
  
• ISSN：1433-7347

文摘

Purpose This study was designed to compare the pull-out strength of simple suture stitches in human supraspinatus tendons with respect to the position of the rotator cable. Methods Fifty-four tests were performed on 6 intact, human supraspinatus tendons, to assess the cutout strength of a simple suture configuration in different positions; medial to, lateral to, or within the rotator cable. Tendon thickness was measured and correlated for each positioned suture. Results Suture positioning lateral to or in the rotator cable showed significantly lower suture retention properties compared with positioning the suture medial to the cable (p?=?0.002). In all tested specimens, the central stitch in the row medial to the rotator cable provided the optimum retention properties (mean: 191?N; SD:?±?44; p?<?0.01), even after correcting for tendon thickness. Conclusion This study shows that it is desirable to identify the rotator cable and to pass sutures just medial to it, close to the middle of the tendon, which provided highest possible suture retention properties.