The Journal of Arthroplasty
Volume 23, Issue 3 , Pages 355-359, April 2008

Infection After Knee Arthroplasty:

A Prospective Study of 1509 Cases

  • David Chesney, MBChB, MD, FRCSorth

      Affiliations

    • Department of Orthopaedic Surgery, Royal Infirmary of Edinburgh, Edinburgh, Scotland
    • Corresponding Author InformationReprint requests: David Chesney, MBChB, MD, FRCSorth, The Old Schoolhouse, High Westwood, NE17 7RD Newcastle upon Tyne, United Kingdom.
    • ,
  • Jim Sales, MBChB, MRCS

      Affiliations

    • Department of Orthopaedic Surgery, Fife Acute Hospitals NHS Trust, Queen Margaret Hospital, Dunfermline, United Kingdom
    • ,
  • Robert Elton, PhD

      Affiliations

    • Clinical Sciences and Community Health, University of Edinburgh, Scotland
    • ,
  • Ivan J. Brenkel, FRCS Ed

      Affiliations

    • Department of Orthopaedic Surgery, Fife Acute Hospitals NHS Trust, Queen Margaret Hospital, Dunfermline, United Kingdom

Received 8 December 2006; accepted 1 May 2007.

Abstract 

We report a prospective study of 1509 consecutive total knee arthroplasties looking at risk factors for infection in modern surgical practice. The overall deep infection rate was 1%. A further 51 patients had a superficial infection (3.3%). Statistical analysis revealed no correlation between risk of infection and age and sex. Those who had poor health as assessed by the American Society of Anesthesiologists score had no increased risk of infection. Neither did patients undergoing arthroplasty for rheumatoid arthritis. Diabetic patients and those with morbid obesity (body mass index, >40 kg/m2) had an increased odds ratio for deep and superficial infection, but these results did not reach statistical significance.

Key words: knee infection, risk factors, patient factors

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 No benefits or funds were received in support of the study.

PII: S0883-5403(07)00335-X

doi:10.1016/j.arth.2007.05.052

The Journal of Arthroplasty
Volume 23, Issue 3 , Pages 355-359, April 2008

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