Seth Greenwald, D.Phil. (Oxon), director of Orthopaedic Research Laboratories and president of Current Concepts Institute in Cleveland, Ohio, will receive the International Society of Technology in Arthroplasty 2017 Lifetime Achievement Award this September at the annual meeting in Seoul, Korea.
Greenwald to Receive ISTA 2017 Lifetime Achievement Award

David Stulberg, M.D, managing director of the International Society for Technology in Arthroplasty (ISTA) and professor of clinical orthopaedic surgery at the Northwestern University Feinberg School of Medicine told Greenwald in a letter, “As a scientist and educator you have made extraordinary contributions to the advancement of arthroplasty technology and the education of generations of orthopaedic surgeons interested in obtaining a complete and up to date understanding of arthroplasty surgery. As a result, you have had a profound impact on the quality of arthroplasty worldwide.”
Greenwald has almost fifty years of experience as a productive researcher in areas of joint biomechanics and artificial implants and is the originator of the Current Concepts in Joint Replacement meetings. He is an active member of many professional associations, including the American Academy of Orthopaedic Surgeons, the American Orthopaedic Association, the Orthopaedic Research Society, the Girdlestone Society and both the Hip and Knee Societies.
In 2016, he received the President’s Award from ISTA and the SICOT Medal from the International Society of Orthopaedic Surgery and Traumatology. He has also received the Presidential Medal of the British Orthopaedic Association and The American Academy of Orthopaedic Surgeons’ Kappa Delta for recognition of outstanding orthopaedic basic science research.
Greenwald is a National Science Foundation Science Faculty Fellow, and frequent contributor to the peer-reviewed literature in areas of biomechanics, device evaluation and cartilage degeneration. Over his career, he has also mentored many graduate students, orthopaedic residents and fellows.

Discussion
This is a fascinating development. In my practice we've seen similar outcomes with the revised protocol. The key differentiator seems to be patient selection criteria. Has anyone else noticed the correlation with BMI thresholds?
Great point. I'd push back slightly on the conclusion, the sample size in the cited study is too small to draw population-level inferences. That said, the directional signal is compelling and worth a larger RCT.
We implemented a similar approach last year. Early results are promising but we're still gathering 12-month follow-up data. Happy to share our protocol if anyone is interested.
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