Five Hundred Fifty-five Retrieved Metal-on-metal Hip Replacements of a Single Design Show a Wide Range of Wear, Surface Features, and Histopathologic Reactions.
Clin Orthop Relat Res 2018 Feb;476(2):261-278
S.-H. Park, Z. Lu, P. A. Campbell, E. Ebramzadeh, The J. Vernon Luck, Sr, MD Orthopaedic Research Center, Orthopaedic Institute for Children and UCLA Department of Orthopaedic Surgery, Los Angeles, CA, USA R. S. Hastings, DePuy, Inc, Warsaw, IN, USA.
Background: In 2010, a widely used metal-on-metal hip implant design was voluntarily recalled by the manufacturer because of higher than anticipated failure rates at 5 years. Although there was a large published range of revision rates, numerous studies had reported a higher risk of revision for excessive wear and associated adverse tissue reactions when compared with other metal-on-metal total hips. The reasons for this were suggested by some to be related to cup design features. Read More