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http://dx.doi.org/10.5090/kjtcs.2010.43.4.381

Analysis of Risk Factors and Effect of Vancomycin for Sternal Infection after Coronary Artery Bypass Graft  

Baek, Jong-Hyun (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Yeungnam University)
Jung, Tae-Eun (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Yeungnam University)
Lee, Dong-Hyup (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Yeungnam University)
Lee, Jang-Hoon (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Yeungnam University)
Kim, Jung-Hee (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Yeungnam University)
Publication Information
Journal of Chest Surgery / v.43, no.4, 2010 , pp. 381-386 More about this Journal
Abstract
Background: Sternal wound infection (SWI) is an important complication after cardiac surgery. The aim of this study was to investigate the predictors affecting sternal wound infection and preventive factors including short term Vancomycin therapy in patients who underwent coronary artery bypass grafting (CABG). Material and Method: A retrospective study was done using data collected from January 2001 through December 2007. This included 219 patients who had isolated CABG. The definition of SWI was documentation from a microbiological study and a requirement for simple closure or other surgical revision. Result: The overall incidence of SWI was 7.8% (n=17). The causative organisms were methicillin resistant Staphylococcus aureus (MRSA, n=13), methicillin resistant Staphylococcus epidermidis (n=2), Pseudomonas aeruginosa (n=1), and Candida albicans (n=1). Ten cases had deep sternal wound infection with mediastinitis; 7 cases had a superficial wound infection. Infection-related mortality was low (1/17; 6%). Diabetes mellitus (p=0.006) and smoking history (p=0.020) were factors that predicted high risk. Short term use of vancomycin decreased the incidence of MRSA-associated SWI (p=0.009). For treatment, curettage and rewiring or flap were needed in most cases (88%, n=14). Conclusion: Patients who had diabetes mellitus and a smoking history need careful management. Short term use of vancomycin is effective for prevention of SWI with MRSA.
Keywords
Wound infection; Sternum; Coronary artery bypass;
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