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Patellar Fracture After Medial Patellofemoral Ligament SurgeryA Report of Five Cases
Shital N. Parikh, MD1; Eric J. Wall, MD1
1 Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, ML 2017, Cincinnati, OH 45229. E-mail address for S.N. Parikh: shital.parikh@cchmc.org
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Disclosure: None of the authors received payments or services, either directly or indirectly (i.e., via his or her institution), from a third party in support of any aspect of this work. None of the authors, or their institution(s), have had any financial relationship, in the thirty-six months prior to submission of this work, with any entity in the biomedical arena that could be perceived to influence or have the potential to influence what is written in this work. Also, no author has had any other relationships, or has engaged in any other activities, that could be perceived to influence or have the potential to influence what is written in this work. The complete Disclosures of Potential Conflicts of Interest submitted by authors are always provided with the online version of the article.

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Investigation performed at the Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio

Copyright © 2011 by The Journal of Bone and Joint Surgery, Inc.
J Bone Joint Surg Am, 2011 Sep 07;93(17):e97 1-8. doi: 10.2106/JBJS.J.01558
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Extract

The medial patellofemoral ligament (MPFL) has been identified as the primary medial restraint to prevent lateral patellar displacement; it contributes up to 80% of the medial restraining forces on the patella1,2. Anatomically, the MPFL originates from the superior two-thirds of the medial patellar border and runs posteriorly toward the medial femoral epicondyle to insert in close relation to the origin of the superficial medial collateral ligament and slightly distal to the adductor tubercle3-5. Several techniques of MPFL repair and reconstruction have been described, with various graft options, tunnel placements, and fixation options, with or without concomitant procedures such as lateral retinacular release or tibial tuberosity osteotomy. Most techniques for patellar attachment of a reconstructed MPFL use patellar tunnels6-8, while some use suture anchors or soft-tissue fixation7,9,10.
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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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