Abstract
AimTo study the effect of obesity on clinical and radiographic outcomes of computer-navigated knee arthroplasty. Materials and methods117 patients underwent primary computer-navigated total knee arthroplasty. Eight were lost to follow-up and 8 had incomplete data. ResultsEighty-four (83.2%) female, 17 (16.8%) male patients age 65.3 ± 6.9 years with a pre-operative BMI 27.2 ± 4.1 (18.6–40.0) kg/m2, 7.3 ± 0.98 years follow-up. Forty-two (41.6%) had a BMI>27.5 kg/m2 indicative of obesity in Singapore. Post-operative radiographic alignment, 2-year Oxford knee scores and ROM were not significantly associated with BMI. ConclusionBMI is not a determinant of functional scores when computer navigation is used.
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