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  • Title: Routine Use of Topical Bacitracin to Prevent Sternal Wound Infections After Cardiac Surgery.
    Author: Chan JL, Diaconescu AC, Horvath KA.
    Journal: Ann Thorac Surg; 2017 Nov; 104(5):1496-1500. PubMed ID: 28709667.
    Abstract:
    BACKGROUND: The development of sternal wound infections remains a serious complication after cardiac surgery. A number of studies have assessed the use of topical antibiotics placed on the sternal edges. We evaluated the routine use of bacitracin ointment applied over the sternotomy skin incision as a prophylactic measure against sternal wound infections. METHODS: A retrospective review of all coronary artery bypass graft and valve surgery cases performed at a single institution between 2006 and 2015 was performed (n = 1,495). Appropriate preoperative intravenous antibiotics were administered for all patients. Bacitracin topical antibiotic ointment was routinely applied to the sternal surgical incision after skin closure for all patients during this period. The incidence of sternal wound infection was assessed. RESULTS: During this 9-year experience, no episodes of deep sternal wound infections were observed, compared with a predicted rate of 0.29% (interquartile range: 0.19% to 0.46%) based on The Society of Thoracic Surgeons National Database risk calculator. Four episodes of superficial sternal wound infections were noted; gram-positive organisms were cultured in the majority of these cases. Bacitracin ointment was well tolerated by patients, with no serious adverse effects reported. CONCLUSIONS: This study suggests that the routine application of topical bacitracin over the surgical skin incision is safe after cardiac surgery. Deep sternal wound infections were notably absent during this period. As a readily available and inexpensive therapy, this simple intervention may be a useful adjunct strategy in preventing sternal wound infections.
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