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Scientific Article   |    
Results of Porous-Coated Anatomic Total Hip Arthroplasty without Cement at Fifteen Years A Concise Follow-up of a Previous Report*
J. A. Bojescul, MD; J. S. Xenos, MD; John J. Callaghan, MD; C. G. Savory, MD
View Disclosures and Other Information
Investigation performed at Walter Reed Army Medical Center, Washington, D.C.

J.A. Bojescul, MD
J.S. Xenos, MD
Department of Orthopaedic Surgery and Rehabilitation Services, Orthopaedic Surgery Service, Walter Reed Army Medical Center, 6900 Georgia Avenue N.W., Washington, D.C. 20307

John J. Callaghan, MD
Department of Orthopaedic Surgery, University of Iowa College of Medicine, 01073 JPP, 200 Hawkins Drive, Iowa City, IA 52242. E-mail address: john-callaghan@uiowa.edu
C.G. Savory, MD
The Hughston Clinic, 6262 Veterans Parkway, P.O. Box 9517, Columbus, GA 31908

In support of their research or preparation of this manuscript, one or more of the authors received grants or outside funding from the Department of Clinical Investigation, Walter Reed Army Medical Center (Grant WU 00-2406.333333). Some of the authors received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity (DePuy). A commercial entity (DePuy) paid or directed, or agreed to pay or direct, benefits to a research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

The opinions or assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the United States Army or the Department of Defense. The authors are employees of the United States government. This work was prepared as part of their official duties and, as such, there is no copyright to be transferred.

A commentary is available with the electronic versions of this article, on our web site (www.jbjs.org) and on our quarterly CD-ROM (call our subscription department, at 781-449-9780, to order the CD-ROM).

Original Publication
*Callaghan JJ, Dysart SH, Savory CG. The uncemented porous-coated anatomic total hip prosthesis. Two-year results of a prospective consecutive series. J Bone Joint Surg Am. 1988;70;337-46.

J Bone Joint Surg Am, 2003 Jun 01;85(6):1079-1083
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Abstract

Abstract: The purpose of this study was to update the results of a prospective series of primary cementless total hip arthroplasties after a minimum of fifteen years of follow-up. It is one of the first studies of cementless total hip arthroplasties followed for a minimum of fifteen years.

One hundred consecutive Porous Coated Anatomic (PCA) total hip replacements were implanted between October 1983 and January 1986. Fifty-five patients (sixty-four hips) that were alive at a minimum of fifteen years postoperatively are the focus of the present study. At this time of follow-up, at an average of 15.6 years (range, fifteen to seventeen years) after the total hip arthroplasty, 17% (seventeen hips) of the entire cohort and 23% (fifteen hips) of the living cohort had undergone revision because of loosening of the acetabular component or osteolysis. Seven percent (seven hips) of the entire cohort and 6% (four hips) of the living cohort had undergone revision for loosening of the femoral component or osteolysis. Only four femoral stems had been revised for isolated loosening (without osteolysis).

The PCA femoral component proved to be durable at a minimum of fifteen years postoperatively, while the acetabular component was less durable.

Level of Evidence: Therapeutic study, Level IV (case series [no, or historical, control group]). See Instructions to Authors for a complete description of levels of evidence.

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    Accreditation Statement
    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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