JBJS | Article

The Journal of Bone & Joint Surgery, Volume 91, Issue 4

Case Reports | April 01, 2009

Debonding of the Acetabular Porous Coating in Hip Resurfacing Arthroplasty: A Report of Two Cases

Michael A. Jacobs, MD¹; Tarun Bhargava, MD¹; James M. Lathroum, PAC¹; Marc W. Hungerford, MD¹

¹ c/o Elaine P. Henze, BJ, ELS, Medical Editor, Department of Orthopaedic Surgery, Johns Hopkins Bayview Medical Center, 4940 Eastern Avenue, #A672, Baltimore, MD 21224-2780. E-mail address for E.P. Henze: ehenze1@jhmi.edu

The Journal of Bone & Joint Surgery. 2009; 91:961-964 doi:10.2106/JBJS.H.00424

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Metal-on-metal hybrid hip resurfacing arthroplasty has been performed more frequently in recent years^1,2. Its resurgence is attributed to a better understanding of metallurgy and to stricter tolerances with regard to the design of the metal-on-metal articulation. One currently used device is the Cormet hip resurfacing system (Corin Group, Cirencester, Gloucestershire, United Kingdom), a metal-on-metal implant with a cemented femoral component and a press-fit uncemented acetabular component. The cobalt-chromium acetabular component is coated with plasma-sprayed unalloyed titanium and overlaid with hydroxyapatite³.

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hip resurfacing arthroplasty

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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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