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Aust N Z J Surg. 2000 Jan;70(1):47-51.

Risk factors for surgical wound infection and bacteraemia following coronary artery bypass surgery.

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  • 1Alfred Hospital, Melbourne, Victoria, Australia. D.Spelman@alfred.org.au

Abstract

BACKGROUND:

There has been no consensus from previous studies of risk factors for surgical wound infections (SWI) and postoperative bacteraemia for patients undergoing coronary artery bypass graft (CABG) surgery.

METHODS:

Data on 15 potential risk factors were prospectively collected on all patients undergoing CABG surgery during a 12-month period.

RESULTS:

Of 693 patients, 62 developed 65 SWI using the Centres for Disease Control definition: 23 were sternal wound infections and 42 were arm or leg wound infections at the site of conduit harvest. There were 19 episodes of postoperative bacteraemia. Multivariate analysis revealed that: (i) diabetes, obesity and previous cardiovascular procedure were independent predictors of SWI; and (ii) obesity was an independent risk factor for postoperative bacteraemia.

CONCLUSIONS:

These findings suggest that improved diabetic control and pre-operative weight reduction may result in a decrease in the incidence of SWI. But further prospective studies need to be undertaken to examine (i) whether the increased SWI risk in diabetes occurs with both insulin- and non-insulin-requiring diabetes, and whether improved peri-operative diabetes control decreases SWI; and (ii) what degree of obesity confers a risk of SWI and postoperative bacteraemia, and whether pre-operative weight reduction, if a realistic strategy in this patient group, results in a decrease in SWI.

PMID:
10696943
[PubMed - indexed for MEDLINE]
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