Sternal Wound Infection after Coronary Artery Bypass Grafting in Mazandaran Heart Center
PurposeSternal Wound Infection (SWI) is a serious complication of median sternotomy that increases the rate of mortality. We report our experience of managing SWI in a regional cardiothoracic unit in Mazandaran province, Iran.
Materials And MethodsWe prospectively studied 4725 patients who underwent isolated coronary artery bypass grafting between March 2012 and March 2015. Information about age, sex, morbidities, surgical factors and nature of sternal wound infection were recorded. Treatment options were stratified by nature of infection, and timing and nature of management. Data analysis was done using Med calc soft ware and p-values less than 0.5 were considered significant.
ResultsSternal wound infection occurred in 49 (1%) patients. There were 26 (0.55%) superficial and 23 (0.48%) deep SWIs. SWI patients were found to be mainly females, with diabetes or hypertension, high body mass indices and longer aortic cross-clamp time. All patients with superficial SWI were managed by skin debridement and closure. Patients with deep SWI who had surgery within 48 hours of diagnosis were managed using skin and bone debridement and sternal rewiring following mediastinal drain. The mortality rate was found to be high in patients with SWI (12.2%).
ConclusionLow sternal wound infection can be achieved with an ongoing focus on appropriate infection control. SWI significantly increases the risk of mortality which could be reduced through early intervention.
Journal of Mazandaran University of Medical Sciences, Volume:26 Issue:145, 2017
63 - 69
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