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Effect of obesity on early outcome after total hip arthroplasty |
CAO Heng, LIU Mingting, SHI Hui, LI Jian, XU Chuang |
Department of Bone and Joint Surgery,Binzhou Medical University Hospital,Binzhou 256603,P.R.China |
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Abstract Objective To investigate the effect of obesity on the early outcome of total hip arthroplasty (THA) after total hip arthroplasty (THA).Methods From November 2014 to September 2016,300 patients who underwent total hip arthroplasty were divided into obese group (107 cases,BMI≥25)and non-obese group (193 cases,BMI<25) according to the body mass index (BMI). The complications were compared between the two groups (intraoperative and postoperative bleeding volume,operation time and postoperative complications within 3 months) (prosthesis fracture, dislocation, Vein embolization). The Harris score of the hip joint was compared with that of the hip joint at 1 month, 2 months and 6 months postoperatively. The above data were analyzed statistically.Results Compared with the non-obese group, the total complication rate of the former group was higher than that of the non-obese group in the intraoperative and postoperative blood loss,operation time and postoperative 3 months (P<0.05).The incidence of postoperative prosthesis dislocation,prosthesis fracture and deep vein thrombosis was higher in the obese group than in the nonobese group (P<0.05),but the difference was not statistically significant (P<0.05).The Harris score of the hip joint in the non-obese group was significantly higher than that in the obese group at 1 month,2 months and 6 months postoperatively (P<0.05).Conclusion Obesity increases the difficulty of THA,increases the incidence of early complications after THA,and affects the early functional recovery of the hip.
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Received: 07 March 2017
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