Increase in number of total knee replacement surgeries, especially in younger adults, linked to obesity

Tuesday, July 15th, 2014, 1:04 PM

The number of total knee replacement (TKR) surgeries more than tripled between 1993 and 2009, while the number of total hip replacements (THR) doubled during the same time period. A study appearing in the June Journal of Bone and Joint Surgery(JBJS) found that an increase in the prevalence of overweight and obesity in the U.S. accounted for 95 percent of the higher demand for knee replacements, with younger patients affected to a greater degree.

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