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Wound infection is an important cause of morbidity and mortality after coronary artery bypass surgery (CABG). Patients with diabetes represent a high risk group for patients undergoing CABG. Glycosylated hemoglobin (HbA1c), a measure of hyperglycemia, is a sensitive and reliable marker of impaired glucose metabolism. The aim of the study is to compare the impact of the elevated (HbA1c), on the post-operative risk of Surgical Site Infection (SSI) and other infectious morbidities and mortality after isolated CABG.

Two hundred and fifty patients (190 males, 65 females; mean age 62.69 ± 11.00; range 38–85 years) who underwent coronary artery bypass surgery at our center between January and December 2012 were enrolled in this study. All patients including the non-diabetics were managed with a specialized hospital protocol for glycemic control in the …