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Risk Features for Surgical-Site Infections in Coronary Artery Bypass Surgery

Published online by Cambridge University Press:  02 January 2015

Sailaritta Vuorisalo ,
Kari Haukipuro ,
Risto Pokela  and
Hannu Syrjälä
Sailaritta Vuorisalo*
Affiliation:
Department of Surgery, University of Oulu
Kari Haukipuro
Affiliation:
Department of Surgery, University of Oulu
Risto Pokela
Affiliation:
Department of Surgery, University of Oulu
Hannu Syrjälä
Affiliation:
Department of Infection Control, Oulu University Hospital, Oulu, Finland
*
Department of Surgery, Central Hospital of Pori, Sairaalantie 3, FIN-28500 Pori, Finland
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Abstract

OBJECTIVE: To identify preoperative and perioperative features that may lead to a risk of surgical-site infection (SSI) after coronary artery bypass surgery.

DESIGN: 884 patients who underwent coronary artery bypass grafting in 1992 and 1993 were studied. The associations between 23 preoperative and perioperative features and the presence of SSI at the donor site or in the chest area were evaluated by univariate analysis followed by multivariate logistic regression analysis.

SETTING: A university hospital.

RESULTS: 172 patients (19.5%) either had an SSI recorded before discharge or had received antibiotics prescribed for a suspected SSI during the 1-month surveillance period after discharge. Multivariate logistic regression analysis showed an extreme body mass index (BMI; P=.015), female gender (P=.023), and chronic obstructive pulmonary disease (COPD; P=.030) to be independent risk features for SSI. The donor site was infected in 136 patients (15.4%), an event for which female gender (P=.003) was the only independent risk feature. Forty-seven patients (5.3%) had an SSI of the chest area, with diabetes (P=.003) and extreme BMI (P=.010) as independent risk features.

CONCLUSION: Extreme BMI, female gender, and COPD are highly significant independent predictors of the development of SSI. Female gender is a risk feature specifically for SSI at the donor site, whereas diabetes and extreme BMI predict it in the chest area.

Type
Research Article
Information
Infection Control & Hospital Epidemiology , Volume 19 , Issue 4 , April 1998 , pp. 240 - 247
Copyright
Copyright © The Society for Healthcare Epidemiology of America 1998

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