Background/Purpose: According to the Journal of Bone and Joint Surgery, there are more than half a million total knee arthroplasty (TKA) surgeries performed each year in the United States (Iorio, Robb, Healy, et al, 2008) in an attempt to ease the pain of osteoarthritis of the tibiofemoral joint. The rising number of the obese population in America is a contributing factor to knee joint degeneration (Schulte, Wagner, Ostry, et al, 2007), thereby causing an increased elective surgery for total joint replacement. Some of these surgeries are performed on patients during a simultaneous bilateral (both knees, BTKA) surgery, while other patients are electing to have unilateral (one knee only, UTKA) or staged TKA (one knee at a time, STKA) surgery. While there is ample research to support that both BTKA and UTKA procedures are safe (Sculco, 2012), patients have a difficult time deciding which surgery to have, depending on what their individual level of health is at the time of their surgery, and in order to have the best physical outcomes postoperatively. The purpose of this case study is to offer the most recent research available to morbidly obese patients so they may make informed decisions and balance the pros and cons of BTKA v. UTKA while keeping in mind their individual physical needs in order to yield the best outcomes postoperatively. Furthermore, the research presented demonstrates which particular identifiers of functional strength and range of motion are required in order to have the best outcomes postoperatively.
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morbidly obese, total knee arthroplasty, simultaneous bilateral total knee arthroplasty
Benton, Brandy. "Outcomes for the morbidly obese after total knee arthroplasty.." (2014). https://digitalrepository.unm.edu/dpt/89
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