There is a new publications sheriff in town…and he will be ensuring that orthopedists worldwide have the information they need to be their best. The American Academy of Orthopaedic Surgeons (AAOS) has announced that Hans Koelsch, Ph.D. will be the organization’s new director of publications. Dr. Koelsch will oversee and guide the Academy’s text and periodical publishing program. In this role Koelsch also will direct the overall planning, budgeting, development and production of both Academy print and online publications.
Hans Koelsch, Ph.D. to Lead Publications at AAOS

“As we look to the future, we must focus on making products such as eBooks and websites more compelling to our members and the public at large to ensure they come to the AAOS for their needs related to orthopaedic surgery, ” stated Koelsch in the October 12, 2012 news release. “I look forward to collaborating with AAOS member volunteers, members of the senior management team, and other Academy staff members.”
Dr. Koelsch served in senior publishing positions for over 20 years at Springer Science + Business Media, LLC. Most recently, he served as the company’s editorial director of mathematics for North America. Some of his previous positions at Springer included director of editorial cooperations for China and Eastern Europe, as well as editorial director for physics at Springer’s New York office.
“Dr. Koelsch has in-depth experience managing scholarly publishing across divisions and disciplines, ” said Chief Education Officer Constance Filling. “He also brings a wealth of knowledge and expertise based on his work with learned societies and publishing programs in North America, Europe and China.”
Dr. Koelsch grew up in Mannheim, Germany, and was a researcher at Freie Universität in Berlin, and at École Polytechnique Fédérale de Lausanne in Lausanne, Switzerland, prior to his work at Springer. He studied chemistry and philosophy in undergraduate and graduate school, and earned a Ph.D. in physics from Freie Universität.

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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