Functional results after surface replacement of the hip: comparison between dysplasia and idiopathic osteoarthritis

Zeitschrift für Orthopädie und ihre Grenzgebiete
A KnechtK-P Günther

Abstract

To determine if there are differences in function after resurfacing arthroplasty of the hip in patients with primary osteoarthritis compared to patients with secondary osteoarthritis due to developmental dysplasia of the hip. In a controlled prospective study of Birmingham Hip Resurfacing (BHR) we included all patients with primary osteoarthritis (n = 54, average age 48.4 years) and osteoarthritis due to high grade dysplasia (Eftekhar B, n = 34, average age 55.8 years). Standardized clinical (Harris hip score) and radiographic examinations were performed 6 weeks, 3 months and 6 months and then every year after the operation. All patients could be followed up to 1.5 years (1-4 years) after surgery. The average Harris hip score improved to 82-95 points in both groups 3 months postoperatively. Statistically significant differences could be found in the subscales "function" and "limp", where patients with dysplastic hips showed somewhat lower results after 6 (function) to 12 weeks (limp) postoperatively. This is probably attributable to extended non-weight-bearing after acetabular reconstruction in these cases, as the difference disappeared with full weight-bearing. Radiographically determined neck-shaft angles are slightly higher ...Continue Reading

Citations

Nov 19, 2004·Der Orthopäde·W-C WitzlebK-P Günther
Dec 25, 2004·Der Orthopäde·A KnechtK-P Günther
Aug 30, 2008·HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery·Alexander BrunnerRalf Decking
May 5, 2005·Der Orthopäde·H EffenbergerS Rehart
Jun 11, 2008·Der Orthopäde·K-P GüntherS Kirschner
Jun 19, 2008·Der Orthopäde·M HobergH C Amstutz
Apr 28, 2007·Acta Orthopaedica·Wolf-Christoph WitzlebKlaus-Peter Guenther
Aug 23, 2008·Clinical Orthopaedics and Related Research·Florian D NaalOtmar Hersche

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