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. 2019 Dec 24;3(12):e19.00102. doi: 10.5435/JAAOSGlobal-D-19-00102

Table 5.

Literature Review

Single Institution Cohort Size TKA/THA Body Mass Index Conclusion
Watts et al5 Yes 47 THA 49.7 May decrease revision  surgery and revision
Inacio et al6 Kaiser 69/102 TKA/THA Not specified May not provide dramatic improvement
Smith et al7meta-analysis (5 studies) 657 TKA/THA Not specified Questions previous belief that bariatric surgery may improve the clinical outcomes
Lee et al10 Medicare data 86,609/47,895 TKA/THA Not specified Previous bariatric at higher risk of infection but not revision
Nickel et al13 Medicare data 39,014 TKA/THA Not specified BS associated with greater risk of both obese and nonobese
Kulkarni et al9 English NHS 53/90 TKA/THA Superobese Risk seems to be lower
Parvizi et al8 Yes 20 TKA/THA 49 Should be considered for bariatrics
Werner et al11 PearlDiver 219 TKA/THA Morbid Seems to be associated with less risk
McLawhorn et al12 NYS database 2,636 TKA/THA Morbid BS did not reduce the risk of revision TKA or THA
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