What is the risk of revision surgery in hydroxyapatite-coated femoral hip stems? Findings from a large national registry

Abstract

Background Despite wide adoption of hydroxyapatite (HA)-coated femoral stems in THA, no studies have found differences in the risk of revision surgery with its use or investigated the interaction of different prosthesis designs with stem coating. Questions/purposes The purpose of this study was to evaluate the risk of revision in THAs with HA-coated stems compared with non-HA-coated. To achieve this purpose, we asked: (1) What is the difference in risk of revision of THAs with HA-coated femoral stems compared with non-HA-coated using an aggregate analysis? (2) What is the difference in risk of revision of THAs with HAcoated femoral stems compared with non-HA-coated for five prosthesis types ..