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

Stephen M. Tai*, Arjuna M. Imbuldeniya, Selin Munir, William L. Walter, William K. Walter, Bernard A. Zicat

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

1420 primary cementless THRs with a minimum follow-up of 10-years were stratified according to BMI: non-obese (BMI < 30kg/m2) and obese (BMI ≥ 30kg/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.

Original languageEnglish
Pages (from-to)1758-1762
Number of pages5
JournalJournal of Arthroplasty
Volume29
Issue number9
DOIs
Publication statusPublished - Sep 2014
Externally publishedYes

Keywords

  • Arthroplasty
  • BMI
  • Hip
  • Long term
  • Obesity
  • Outcome

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