Knee Dislocation in the Morbidly Obese Patient

The Journal of Knee Surgery
James Bradley CarrF Winston Gwathmey

Abstract

Though a relatively rare orthopedic injury, knee dislocation in the morbidly obese population has been increasingly reported in the literature. These injuries are often referred to as "ultralow-velocity knee dislocations" since they commonly occur after a seemingly trivial injury, such as a ground level fall. As a result, these injuries are often underappreciated and initially misdiagnosed. Even though these injuries are low-velocity, they should still be regarded as a high energy injury because of the large amount of mass contributing to the dislocating force. Knee dislocations in the morbidly obese are associated with a particularly high rate of neurovascular injury. A timely and accurate diagnosis is crucial to avoid serious limb-threatening complications, including the need for amputation. Therefore, evaluating physicians should maintain a high suspicion for a knee dislocation in any morbidly obese patient who presents with knee pain following a seemingly innocuous injury. Management of these injuries is controversial. Associated vascular injuries must be identified promptly and appropriately managed by a vascular surgery team. There is no consensus on the ideal orthopedic treatment of knee dislocations in the morbidly obes...Continue Reading

Citations

Oct 25, 2017·Journal of Orthopaedic Trauma·Joey P JohnsonChristopher T Born
Dec 1, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Jarret M WoodmassMichael J Stuart
Aug 8, 2018·Journal of Orthopaedic Trauma·Robert J StewartDouglas R Dirschl
Sep 29, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Majid ChowdhryDavid Wasserstein
Jul 26, 2019·Annals of Vascular Surgery·Victoria TeissierFabien Koskas

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