Functional outcome after lower limb periprosthetic fractures.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: Disclosure supplements form This paper is part of a supplement supported by the Hungarian Trauma Society. 4. Orthopedics. 2020 May 1;43(3):182-186. doi: 10.3928/01477447-20200213-02. Epub 2020 Feb 20. Outcomes and Review of Periprosthetic Tibial Fractures. Triplet JJ, Taylor BC, Brewster J. Periprosthetic fractures around total knee arthroplasties (TKA) are well documented in the literature. Fractures of the tibial side occur least frequently and often pose reconstructive challenges to the treating surgeon. As use of arthroplasty continues to rise, periprosthetic fractures of the tibia will likely become more prevalent. Periprosthetic fracture management is based on recommendations (Mayo classification) made 20 years ago. With newer design technology, the adjuvant use of locking plates in the presence of implant stable periprosthetic tibial fractures (Felix types IIA and IIIA) is unknown. The authors retrospectively reviewed 19 patients who sustained periprosthetic Felix type IIA or IIIA fractures that were treated with operative stabilization using plate and screw constructs. Union rate, time to union, incidence of need for revision on an acute or delayed basis, and restoration of ambulation were investigated. Fourteen patients were followed for the entire course of treatment. Preoperative range of motion was unable to be obtained due to the nature of the injuries. After primary surgical stabilization, 78.6% of the patients obtained successful union of their fracture at a mean of 25 months, but no arthroplasty component revision was necessary in any patient. Three (21.4%) patients required revision surgery, resulting in an overall union rate of 92.9%. Mean time to union in this cohort was 8.4±3.4 months, and the overall complication rate was 28.6%. Treatment of periprosthetic (TKA) tibial fractures carries a relatively high risk of complications and nonunion after primary stabilization, and patients should be counseled accordingly. [Orthopedics. 2020;43(3):182-186.]. Copyright 2020, SLACK Incorporated. DOI: 10.3928/01477447-20200213-02