Acetabular Revision With Intramedullary and Extramedullary Iliac Fixation for Pelvic Discontinuity.

The Journal of Arthroplasty
Stephan FrenzelBoris Michael Holzapfel

Abstract

Parallel to the increase in revision hip procedures surgeons face more and more complex anatomical challenges with pelvic discontinuity (PD) being one of the worst-case scenarios. Here we report on our clinical results using an asymmetric acetabular component for the treatment of PD. The implant is armed in a monoblock fashion with an extramedullary iliac flange and provides the possibility to augment it with an intramedullary iliac press-fit stem. In a single-center retrospective cohort study we analyzed prospectively collected data of 49 patients (35 female, 14 male) suffering from unilateral periprosthetic PD treated with an asymmetric acetabular component between 2009 and 2017. The mean follow-up was 71 months (21-114). Complications were documented and radiographic and functional outcomes were assessed. Kaplan-Meier analysis revealed a 5-year implant survival of 91% (confidence interval 77%-96%). The 5-year survival with revision for any cause was 87% (CI 74%-94%). The overall revision rate was 16% (n = 8). Two patients required acetabular component revision due to aseptic loosening. Four patients (8%) suffered from periprosthetic infection: one patient was treated with a 2-stage revision, and another one with resection ar...Continue Reading

Citations

Sep 25, 2020·Journal of Clinical Medicine·Peter Michael ProdingerBoris Michael Holzapfel
May 1, 2021·Journal of Personalized Medicine·Sebastian Philipp von Hertzberg-BoelchMaximilian Rudert

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