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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

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. (C) 2015 Elsevier Masson SAS. All rights reserved.
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Submitted on : Monday, January 30, 2017 - 12:38:11 PM
Last modification on : Thursday, February 7, 2019 - 2:44:47 PM

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A. Lunebourg, E. Mouhsine, S. Cherix, M. Ollivier, F. Chevalley, et al.. 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. Orthopaedics and Traumatology - Surgery and Research, Elsevier, 2015, 101 (3), pp.277-282. ⟨10.1016/j.otsr.2015.01.015⟩. ⟨hal-01449324⟩

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