The Effect of Obesity on the Clinical,Functional and Radiological Outcome of Cementless Total Hip Replacement: A Case-Matched Study With a Minimum 10-Year Follow-Up |
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Authors: | Stephen M. Tai Arjuna M. ImbuldeniyaSelin Munir MBiomed BEng William L. WalterWilliam K. Walter MBBS FRACS FAORthA Bernard A. Zicat MD FRACS FAOrthA |
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Affiliation: | Specialist Orthopaedic Group, Mater Clinic Suite 1.08, North Sydney, New South Wales, Australia |
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Abstract: | 1420 primary cementless THRs with a minimum follow-up of 10-years were stratified according to BMI: non-obese (BMI < 30 kg/m2) and obese (BMI ≥ 30 kg/m2). Median age at surgery was younger in obese patients (P < 0.001). We case-matched 82 THRs in obese patients with 162 THRs in non-obese patients. No difference between groups was found in improvement in HHS (P = 0.668), satisfaction with surgery (P = 0.644), range of movement, prosthesis orientation, or radiological loosening. The obese cohort was further separated into those with a BMI below and above 35. No difference was found between groups in improvement in HHS, satisfaction with surgery, component orientation, or radiological loosening. There was no difference in the incidence of post-operative complications between obese and non-obese patients. After 10-years, the results of THR are not compromised by obesity. |
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Keywords: | obesity BMI hip arthroplasty outcome long term |
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