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Background: The aim of this study was to evaluate the relationship between postoperative serum lactate levels and outcome in patients undergoing coronary artery bypass graft surgery (CABG) and verify the clinical impact of hyperlactatemia (HL) during CABG in terms of postoperative morbidity and mortality rate. Methods: In this prospective study, 92 patients underwent open heart surgery. Demographic data, lactate levels, PH, 48 hours serum creatinin after surgery (mg per cent), left ventricular ejection fraction, Inotropic Drugs and the duration of use and the duration of intensive care unit (ICU) admission t and deaths were collected. Finding: Mortality rate was 3.3 percent, the average duration of hospitalization was 8.8 days and the duration of ICU admission was 47.27 hours. In 82.6% of the patients increased lactic acid was observed; while 17.4% of patients had a low lactate serum concentration during ICU admission. Conclusion: The findings of this study showed an association between lactate serum levels and the duration of ICU admission and duration of hospitalization, so hyperlactatemia could be a prognostic factor and could predict the mortality and the severity of complications in the patients undergone CABG.

Background: The aim of this study was to evaluate the relationship between postoperative serum lactate levels and outcome in patients undergoing coronary artery bypass graft surgery (CABG) and verify the clinical impact of hyperlactatemia (HL) during CABG in terms of postoperative morbidity and mortality rate. Methods: In this prospective study, 92 patients underwent open heart surgery. Demographic data, lactate levels, pH, 48 hours serum creatinin after surgery (mg per cent), left ventricular ejection fraction, Inotropic Drugs and the duration of use and the duration of intensive care unit (ICU) admission t and deaths were collected. Findings: Mortality rate was 3.3 percent, the average duration of hospitalization was 8.8 days and the duration of ICU admission was 47.27 hours. In 82.6% of the patients increased lactic acid was observed; while 17.4% of patients had a low lactate serum concentration during ICU admission. Conclusion: The findings of this study showed an association between lactate serum levels and the duration of ICU admission and duration of hospitalization, so hyperlactatemia could be a prognostic factor and could predict the mortality and the severity of complications in the patients undergone CABG. [ABSTRACT FROM AUTHOR]