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AAHKS AmplifiedDiscussing topics in the field of hip and knee replacement surgery Author: American Association of Hip and Knee Surgeons
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The 2025 AAHKS Clinical Research Award Winner
Wednesday, 3 June, 2026
At the 2025 AAHKS Annual Meeting, our hosts William B. Kurtz, MD and Matthew W. Bullock, DO sat with Matthew S. Hepinstall, MD, FAAOS and Kyle L. McCormick, MD, the 2025 Clinical Research Award winners to discuss their study “Maximizing Bearing Diameter Markedly Lowers Dislocations in Primary Total Hip Arthroplasty” that was presented at the AAHKS Annual Meeting. Prevention of dislocation is a topic of interest for Drs. Hepinstall and McCormick which is what prompted this study that consisted of over 8,000 patients who underwent fixed-bearing THA. Because modern polyethylene allows larger bearings in fixed-bearing THA, stability benefits of fully maximizing bearing diameter (e.g. 36-mm in 48/50-mm cups) are not well established. Drs. Hepinstall and McCormick discussed on the podcast the number of dislocations in the study with patients with maximized bearing diameters and how certain variables such as age, sex and body-mass index help to protect against dislocation. For more on how fully maximizing bearing diameter reduced dislocation odds in primary fixed-bearing THA, listen to the full podcast. Don’t forget to subscribe and thanks for listening to AAHKS Amplified! In This Episode:Matthew W. Bullock, DO Matthew S. Hepinstall, MD, FAAOSWilliam B. Kurtz, MDKyle L. McCormick, MD The post The 2025 AAHKS Clinical Research Award Winner first appeared on AAHKS.
