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  • Title: Treatment of type B periprosthetic femur fractures with curved non-locking plate with eccentric holes: Retrospective study of 43 patients with minimum 1-year follow-up.
    Author: Lunebourg A, Mouhsine E, Cherix S, Ollivier M, Chevalley F, Wettstein M.
    Journal: Orthop Traumatol Surg Res; 2015 May; 101(3):277-82. PubMed ID: 25817903.
    Abstract:
    INTRODUCTION: Periprosthetic femur fracture (PFF) is a serious complication after total hip arthroplasty that can be treated using different internal fixation devices. However, the outcomes with curved non-locking plates with eccentric holes in this indication have not been reported previously. The objectives of this study were to determine: (1) the union rate; (2) the complication rate; (3) autonomy in a group of patients with a Vancouver type B PFF who were treated with this plate. HYPOTHESIS: Use of this plate results in a high union rate with minimal mechanical complications. MATERIALS AND METHODS: Forty-three patients with a mean age of 79 years ± 13 (41-98) who had undergone fixation of Vancouver type B PFF with this plate between 2002 and 2007 were included in the study. The time to union and Parker Mobility Score were evaluated. The revision-free survival (all causes) was calculated using Kaplan-Meier analysis. The average follow-up was 42 months ± 20 (16-90). RESULTS: Union was obtained in all patients in a mean of 2.4 months ± 0.6 (2-4). One patient had varus malunion of the femur. The Parker Mobility Score decreased from 5.93 ± 1.94 (2-9) to 4.93 ± 1.8 (1-9) (P = 0.01). Two patients required a surgical revision: one for an infection after 4.5 years and one for stem loosening. The survival of the femoral stem 5 years after fracture fixation was 83.3% ± 12.6%. CONCLUSION: Use of a curved plate with eccentric holes for treating type B PFF led to a high union rate and a low number of fixation-related complications. However, PFF remains a serious complication of hip arthroplasty that is accompanied by high morbidity and mortality rates.
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