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Bilateral Medial and Lateral Patellofemoral Ligament Reconstruction in a Patient with Hypermobility Type Ehlers-Danlos Syndrome

A Case Report

Shubert, Daniel J. MD1; McDonough, E. Barry MD1

doi: 10.2106/JBJS.CC.18.00359
Case Reports

Case: Medial patellar instability (MPI) is a known sequela of previous lateral retinacular release. Literature on surgical intervention is scarce. We present a case of a 35-year-old woman with hypermobility type Ehlers-Danlos syndrome, with bilateral iatrogenic MPI (IMPI) and lateral patellar instability. This condition led to a marked decrease in quality of life, 10/10 persistent pain, and frequent dislocation events. She was successfully treated surgically, and at 2 years had 0/10 pain and no further dislocations.

Conclusions: Our technique for medial and lateral patellofemoral ligament reconstruction is a viable intervention for patients with IMPI, even in the setting of underlying collagen disorder.

1Department of Orthopaedics, West Virginia University, Morgantown, West Virginia

E-mail address for D.J. Shubert:

Investigation performed at the West Virginia School of Medicine, Department of Orthopedic Surgery, Morgantown, West Virginia

Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (

Copyright © 2019 by The Journal of Bone and Joint Surgery, Incorporated
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