Plain Radiographs Fail to Reflect Femoral Offset in Total Hip Arthroplasty

Weber, Markus and Woerner, Michael L. and Springorum, Hans-Robert and Hapfelmeier, Alexander and Grifka, Joachim and Renkawitz, Tobias F. (2014) Plain Radiographs Fail to Reflect Femoral Offset in Total Hip Arthroplasty. JOURNAL OF ARTHROPLASTY, 29 (8). pp. 1661-1665. ISSN 0883-5403, 1532-8406

Full text not available from this repository.

Abstract

Successful biomechanical reconstruction is a major goal in total hip arthroplasty (THA). We measured leg length (LL), global (GO) and femoral offset (FO) change on anteroposterior pelvis radiographs and on three-dimensional computed-tomography (3D-CT) with fiducial landmarks after cementless THA on 18 hips of cadaveric specimens. Measurements on radiographs were performed twice by four examiners and showed high interobserver (mean CCC >= 0.79) and intraobserver agreements (mean ICC >= 0.88). Mean differences between radiographic and 3D-CT measurements were 1.0 (SD 2.0) mm for LL, 0.6 (SD 3.6) mm for GO and 1.4 (SD 5.2) mm for FO. 1% of radiographic LL-, 15% of GO-and 35% of FO measurements were outside a tolerance limit of 5 mm. Radiographs seem acceptable for measuring LL/GO change but fail to reflect FO change in THA. (C) 2014 Elsevier Inc. All rights reserved.

Item Type: Article
Uncontrolled Keywords: LIMB-LENGTH DISCREPANCY; LEG-LENGTH; INEQUALITY; RELIABILITY; OSTEOARTHRITIS; REPLACEMENT; leg length; global offset; femoral offset; total hip arthroplasty; radiography; accuracy
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Orthopädie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 04 Sep 2019 09:21
Last Modified: 04 Sep 2019 09:21
URI: https://pred.uni-regensburg.de/id/eprint/9783

Actions (login required)

View Item View Item