Total hip arthroplasty in patients with neuromuscular imbalance.

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Abstract

[Indexed for MEDLINE] 10. Orthopedics. 2016 Nov 1;39(6):e1129-e1139. doi: 10.3928/01477447-20160819-06. Epub 2016 Aug 30. Femoral Component Revision of Total Hip Arthroplasty. Brown JM, Mistry JB, Cherian JJ, Elmallah RK, Chughtai M, Harwin SF, Mont MA. Modern primary total hip arthroplasty (THA) is among the most successful operations in medicine. It has been a consistently effective treatment for end-stage osteoarthritis of the hip. With the increasing number of primary THA procedures being performed and the decreasing age of patients undergoing the procedure, there is an inevitable associated increase in revision burden for arthroplasty surgeons. Revision THA is most often indicated for instability, aseptic loosening, osteolysis, infection, periprosthetic fracture, component malposition, and catastrophic implant failure. Understanding the etiology of THA failure is essential for guiding clinical decision making. Femoral component revision presents a complex challenge to the arthroplasty surgeon because of modern implant design as well as bone loss in the proximal femur. Thorough patient evaluation, defect classification, and well-executed surgical reconstruction based on comprehensive preoperative planning may determine the postoperative results. Knowledge of various reconstructive options and the indications for each is necessary to achieve a successful outcome. This article highlights the most common indications for revision after THA and offers recommendations for how to approach revision of the femoral component. Specifically, the authors review preoperative assessment, common classification systems for femoral deficiency, techniques for component extraction, and modalities of femoral component fixation. [Orthopedics. 2016; 39(6):e1129-e1139.]. Copyright 2016, SLACK Incorporated. DOI: 10.3928/01477447-20160819-06