Impact of Controlling Nutritional Status Score (CONUT) and Prognostic Nutritional Index (PIN) on Patients Undergoing Coronary Artery Bypass Graft Surgery
Background: The aim of this study is to evaluate the negative effect of malnutrition in patients with coronary artery disease who are undergoing coronary artery bypass graft surgery.
Methods: In this study, we analyzed 149 patients, who underwent coronary artery bypass surgery. Nutritional status of the patients was classified using controlling nutritional status score (CONUT) and prognostic nutritional index (PNI). Statistical correlation between malnutrition and complication following operation was evaluated with the chi-square test. Statistical alpha significant level was accepted P < 0.05.
Results: There were various complications in 38 patients. Renal failure was the predominant problem in 18 of them. There was statistical significance between malnutrition and complication (P < .001). There were more complications in the controlling nutritional status score and prognostic nutritional index groups. Renal complication (P < .001), hemorrhage (P < .05), and mortality (P < .05) were high in the severe controlling nutritional status score and prognostic nutritional index groups.
Conclusion: There are manifest correlations between the severe controlling nutritional status score and prognostic nutritional index groups and morbidity and mortality after coronary artery bypass graft surgery. We found that renal complications, hemorrhage, and mortality rate
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