United States Department of Veterans Affairs

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Reference equation for 6-minute walk in individuals with Parkinson disease

Michael J. Falvo, MS; Gammon M. Earhart, PT, PhD

The distance walked in 6 minutes is commonly used for assessing an individual's functional exercise capacity. Considerable information is available describing how healthy adults perform this test, including equations that predict results based on factors such as age, sex, or weight. However, these equations do not apply to adults with Parkinson disease (PD), which suggests that unique aspects of PD influence walking and turning abilities. We present a prediction equation that is specific to adults with PD in order to better characterize their functional exercise capacity.

Volume 46 Number 9, 2009
Pages 1121 — 1126

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Researchers Dupret-Bories et al recently tested a titanium tracheal prosthesis in sheep to determine the best surgical implantation method. In time, the prosthesis may serve as a substitute for laryngeal cartilage. To learn more about this novel prosthesis, see the slide show, read the article, and listen to the podcast describing the research and other published research in Volume 48, Issue 7.