The Outcome of Total KneeArthroplasty in ObesePatients compare with non-obese Patients in Nongkhai Hospital
Keywords:
Total knee Arthroplasty, Knee Functional score, obese patientAbstract
Background: Evidence linking increased body weight to osteoarthritis of the knee and the high prevalence of obesity underscore the importance of defining the outcome of total knee arthroplasty in obese patients. The purpose of this study was to compare the clinical and functional outcome of Total Knee Arthroplasty performed in obese patients with non-obese patients.
Method: Descriptive retrospective study clinical and functional data from 78 total knee arthroplasties during1st October 2008 – 30th September 2012. Twenty obese patients, defined as a body mass index (BMI) 30 or more, were compared with data on a matched group of 58 non-obese patients. The analysis was also performed after stratification of the obese group for the degree of obesity. All patients had the same prosthesis. The clinical data were analyzed included the Knee Functional score, activity level, pain score, and complications. The statistical analysis was performed using frequency, mean, standard deviation, percentage and Mann-whitney test.
Result: Total of 78 patients female were 63 female 15 male.Obese patients were 20 and non-obese patients were 58 with mean BMI 32.28 and 24.65 respectively. The mean of functional knees score at 18th months follow up after surgery was84.15 and 85.95 respectively, there were no significant statistical difference between two groups.
Conclusions:The results suggest that any degree of obesity has a negative effect on the outcome of total knee arthroplasty.
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