Risk factors related to bacterial contamination of indwelling vascular cathethers in non-infected hosts |
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| Authors: | A. R. Essop J. Frolich M. R. Moosa M. Miller R. C. Ming |
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| Affiliation: | (1) Department of Medicine, Baragwanath Hospital, Johannesburg, South Africa;(2) Department of Microbiology, Baragwanath Hospital, Johannesburg, South Africa;(3) the Intensive Care Unit, Baragwanath Hospital, Johannesburg, South Africa;(4) Present address: Department of Physiology, University College, London, UK;(5) Present address: Department of Medicine, Alberquerque University, New Mexico, USA |
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| Abstract: | ![]()
Aerobic, anaerobic and fungal cultures were performed on 70 vascular catheters from 57 non-infected patients. Despite the exclusion of any patient who developed non-catheter-related foci of infection, 46% of all cannulae became contaminated, usually with relatively non-pathogenic organisms. Multiple organisms were observed in one-third of all infected catheters, and six patients developed probable catheter related bacteraemia. Of the risk factors studied, only duration of placement exceeding 3 days was significant. Obsessive aseptic measures did not reduce the rate of contamination. |
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| Keywords: | Vascular catheters Risk factors Bacterial contamination |
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