Prevalence of Postoperative Periprosthetic Femur Fractures Between Two Different Femoral Component Designs Used in Direct Anterior Total Hip Arthroplasty

The Journal of Arthroplasty
Katherine S ChristensenChristian P Christensen

Abstract

Periprosthetic femur fractures are a well-documented complication following direct anterior uncemented total hip arthroplasty. The purpose of this study is to compare the prevalence of postoperative periprosthetic femur fractures between 2 different femoral component designs used in direct anterior total hip arthroplasty. Beginning in February 2015, a single fellowship-trained adult reconstruction surgeon performed 361 consecutive direct anterior total hip replacements using a flat, single-taper, wedged femoral implant. In June 2016, that same surgeon, using the exact same surgical technique and postoperative weight-bearing protocol, began using a dual-taper, hydroxyapatite-coated implant for 789 consecutive hips. The patients were carefully monitored for 3 months after surgery to identify the frequency of periprosthetic femur fractures. A Fisher's exact test was used to determine if the prevalence of periprosthetic femur fractures differed between the 2 implant designs. Five of 361 (1.4%) patients sustained proximal femur fractures at an average of 19.6 days postoperatively in the first group, all demonstrating a Vancouver type B2 periprosthetic fracture and requiring femoral revision. No patients (0/789, 0%) in the second coh...Continue Reading

Citations

Aug 11, 2020·The Journal of Bone and Joint Surgery. American Volume·Mengnai Li, Andrew H Glassman
Jul 15, 2020·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·George A MacherasTheofilos S Karachalios
Dec 1, 2021·Archives of Orthopaedic and Trauma Surgery·Scott T NishiokaCass K Nakasone

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