Journal
JOURNAL OF ARTHROPLASTY
Volume 20, Issue 4, Pages 509-515Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2004.09.050
Keywords
osteonecrosis; total hip arthroplasty; cementless; different etiologies
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We reviewed 41 patients with 55 cementless total hip arthroplasty operated for advanced osteonecrosis. Patients were divided into 2 groups according to etiology of the osteonecrosis. The first group included 17 cases with osteonecrosis without a systemic disease and the second group 38 cases with osteonecrosis associated with a systemic disease. The follow-up was on average 6.4 years (range, 2-12.8). Eight (15.4%) stem revisions had to be performed; all of them were in the patients with a systemic disease. Ten-year survival rates with femoral revision as the endpoint were in the first group 100% and in the systemic disease group 68% (P =.03). The data of this retrospective study indicate a correlation between the Survival of the femoral component and the etiology of the osteonecrosis. (c) 2005 Elsevier Inc. All rights reserved.
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