Patellar Dislocation: Workup and Decision-Making.

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Abstract

Conflict of interest statement: The authors have declared that no competing interests exist. 7. Curr Rev Musculoskelet Med. 2018 Jun;11(2):201-208. doi: 10.1007/s12178-018-9475-2. The medial patellofemoral complex. Loeb AE(1), Tanaka MJ(2). Author information: (1)Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, Baltimore, MD, 21287, USA. (2)Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, Baltimore, MD, 21287, USA. mtanaka4@jhmi.edu. PURPOSE OF REVIEW: The purpose of this review is to describe the current understanding of the medial patellofemoral complex, including recent anatomic advances, evaluation of indications for reconstruction with concomitant pathology, and surgical reconstruction techniques. RECENT FINDINGS: Recent advances in our understanding of MPFC anatomy have found that there are fibers that insert onto the deep quadriceps tendon as well as the patella, thus earning the name "medial patellofemoral complex" to allow for the variability in its anatomy. In MPFC reconstruction, anatomic origin and insertion points and appropriate graft length are critical to prevent overconstraint of the patellofemoral joint. The MPFC is a crucial soft tissue checkrein to lateral patellar translation, and its repair or reconstruction results in good restoration of patellofemoral stability. As our understanding of MPFC anatomy evolves, further studies are needed to apply its relevance in kinematics and surgical applications to its role in maintaining patellar stability. DOI: 10.1007/s12178-018-9475-2 PMCID: PMC5970110