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Obesity alone should not rule out knee replacement surgery

BMJ 2022; 379 doi: (Published 25 October 2022) Cite this as: BMJ 2022;379:o2473
  1. Helen Saul, editor in chief1,
  2. Deniz Gursul, research dissemination manager1,
  3. Jonathan Evans, Robin Ling Hip Fellow, honorary senior lecturer in trauma and orthopaedics23
  1. 1NIHR Centre for Engagement and Dissemination, Twickenham, UK
  2. 2Exeter Hip Unit, Royal Devon University Healthcare NHS Foundation Trust, Exeter, UK
  3. 3University of Bristol, Bristol, UK
  1. Correspondence to H Saul NIHRAlerts{at}

The study

Evans JT, Mouchti S, Blom AW, et al. Obesity and revision surgery, mortality, and patient-reported outcomes after primary knee replacement surgery in the National Joint Registry: a UK cohort study. PLoS Med 2021;18:7.


  • Competing interests: The BMJ has judged that there are no disqualifying financial ties to commercial companies. The authors declare the following other interests: none.

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  • All authors contributed to the development and review of this summary, as part of the wider NIHR Alerts editorial team.

  • Contributor: Mary Cooke

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