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Delayed Lateral Row Anchor Failure in Suture Bridge Rotator Cuff Repair: A Report of 3 Cases
Clinics in Shoulder and Elbow 2018;21:246-251
Published online December 1, 2018
© 2018 Korean Shoulder and Elbow Society.

Jae-Jung Jeong, Jong-Hun Ji, Seok-Jae Park

Department of Orthopedic Surgery, Daejoen St. Mary셲 Hospital, College of Medicine, The Catholic University of Korea, Daejoen, Korea
Correspondence to: Jong-Hun Ji
Department of Orthopedic Surgery, Daejeon St. Mary셲 Hospital, College of Medicine, The Catholic University of Korea, 64 Daeheung-ro, Jung-gu, Daejeon 34943, Korea
Tel: +82-42-220-9530, Fax: +82-42-221-0429, E-mail: jijh87@gmail.com, ORCID: https://orcid.org/0000-0003-1087-3254
IRB approval: The Catholic University of Korea, Daejeon St. Mary's Hospital (IRB No: DC18ZESI0088).
Received September 5, 2018; Revised October 8, 2018; Accepted October 10, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Compared to single row repair, use of lateral row anchors in suture bridge rotator cuff repair enhances repair strength and increases foot-print contact area. If a lateral knotless anchor (push-in design) is inserted into osteoporotic bone, pull-out of the lateral row anchor can developed. However, failures of lateral row anchors have been reported at several months after surgery. In our cases, even though complete cuff healing occurred, delayed pull-out of the lateral row anchor in the suture bridge repair occurred. In comparison to a conventional medial anchor, further biomechanical evaluation of the pull-out force, design, and insertion angle of the lateral anchor is needed in future studies. We report three cases with delayed pull-out of lateral row anchor in suture bridge rotator cuff repair with a literature review.
Keywords : Lateral row anchors; Suture bridge rotator cuff repair; Pull-out; Repair strength; Footprint