The Impact Of Body Mass Index On The Clinical Outcomes Of Unicondylar Knee Arthroplasty

Objectives: The aim of this study is to investigate the effects of the body mass index on the postoperative functional knee data of patients who have undergone unicondylar knee arthroplasty with a fixed insert system. Patients and methods: Body mass index was calculated with the method proposed by the World Health Organization. The patients were divided into two groups based on their body mass index, those with a body mass index of below and above 30 kg/m2. Preoperative and postoperative joint range of motion, Visual Analogue Scale, Knee Society Scores, Oxford Knee Scores, Western Ontario and McMaster Universities osteoarthritis index scores were used to identify the patients’ satisfaction and the functional status of their knees. Results: Among the 82 patients were 44 patients (Group 1) with a body mass index below 30 kg/m2 and 38 patients (Group 2) with a body mass index above 30 kg/m2. There was no statistically significant difference between the groups in terms of their demographic data other than their body weights and body mass indexes, and their follow-up lengths (p？0.05). A statistically significant improvement in the postoperative period was identified in both groups in the intragroup evaluation of the functional knee scores (p:0.001). However, no statistically significant difference was found in these parameters between the groups (p？0.05). Conclusion: Body mass index reaching the level of obesity would not affect postoperative clinical results