Q J Med 2002; 95: 405-410
© 2002 Association of Physicians
Commentaries |
Preventing Staphylococcus aureus infection in the renal unit
From the Nuffield Department of Clinical Laboratory Sciences, University of Oxford, John Radcliffe Hospital, Oxford and 1 Department of Microbiology, John Radcliffe Hospital, Oxford, UK
Introduction
Staphylococcus aureus is an important cause of morbidity and mortality in the renal unit setting. It is the leading cause of haemodialysis-related bacteraemia and peritoneal dialysis catheter exit-site infection,14 and an important cause of peritoneal dialysis-related peritonitis.5 Since many such infections are potentially preventable, the institution of strategies that reduce infection rates represents an important element in the care of this patient group. This review examines the basis of prevention, together with its likely benefits and possible disadvantages.
Carriage of S. aureus is an important risk factor for infection
S. aureus carriage has been described as falling into three patterns in healthy adult populations, with approximately 20% of individuals being persistent carriers, about 60% intermittent carriers and 20% persistent non-carriers (reviewed in reference 6). Carriage rates are considered to be higher in the renal unit setting, although reported rates vary between centres from 37.5% to 57% for those on CAPD,710 and 37%62% for those on haemodialysis.8,1113 Possible explanations for this variation
Acquired risk factors for S. aureus infection
How can S. aureus infection be prevented?
Infection control measures
The role of antiseptics
CAPD
Haemodialysis
Eradication of S. aureus carriage
Infection rates following eradication of S. aureus carriage in the nose
Haemodialysis patients
CAPD patients
Topical application of mupirocin to the dialysis catheter exit site
The practicalities of minimizing S. aureus infection
Conclusion
Notes
References
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