Glycated hemoglobin HbA1c - a new risk marker for the outcome of cardiac surgery?

Kardiochirurgia i torakochirurgia polska = Polish journal of cardio-thoracic surgery
Andrzej BiskupskiMirosław Brykczyński

Abstract

About 30% of patients undergoing cardiac surgery are diabetic, and glycated hemoglobin (HbA1c) is a reliable marker for long-term glucose control. The aim of our study was to examine whether tight glucose control before a cardiac operation results in a better outcome of the surgical treatment. We performed a retrospective record review of 350 diabetic patients undergoing cardiac surgery in our institution. Preoperative glycemia control was assessed by measurement of the glycated hemoglobin level. The patient population was divided into three groups: group I - patients with HbA1c below 7% (n = 195); group II - patients with HbA1c between 7% and 8% (n = 88); and group III - patients with HbA1c above 8% (n = 67). The demographic data and operating risk in all groups of patients were similar. There were 2 deaths (1.02%) in group I, 2 deaths (2.27%, p = 0.78) in group II and 3 deaths (4.47%, p = 0.20) in group III. Cardiac accidents occurred in 9 patients (4.60%) from group I, 7 patients (7.95%, p = 0.20) from group II, and in 6 patients (9.05%, p = 0.40) from group III. Cerebrovascular accidents (CVA) occurred in 7 (3.58%), 5 (5.68%, p = 0.67) and 5 (7.46%, p = 0.61) patients, respectively. Acute renal dysfunction requiring renal r...Continue Reading

Methods Mentioned

BETA
coronary artery bypass

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Excel
Statistica

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