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Abstract Background: Delirium is an acute brain dysfunction associated with increased mortality, morbidity, and long-term cognitive dysfunction. Studies showed that the incidence of post-cardiac surgery delirium (PCSD) might reach up to 70% of patients. This study aims to analyze risk factors contributing to the incidence of PCSD in patients undergoing elective cardiac surgeries. Methods: This study is a secondary retrospective cohort analysis that utilizes prospectively collected data from an 8-year follow-up period to investigate the nutritional status of patients undergoing cardiac surgery. Data from 1187 patients was analyzed for risk factors associated with PCSD. The statistical analysis was conducted using R version 4.2.0. A p-value less than 0.05 was considered statistically significant. Results: A total of 1,187 patients were included in our analysis based on the dataset. The prevalence of delirium in the sample set was 8% (96/1187). Each parameter underwent univariate analysis, and significant parameters were included in a multivariate logistic regression model. The analysis revealed that parameters like increasing age at pp0.05) with an OR=1.01 CI 1.01-1.02, longer ventilation hours (pp and, prespectively to be associated with increased incidence of postoperative delirium. Conclusion: There is a significant association between PCSD and various factors such as advanced age, extended duration of aortic cross-clamp, prolonged mechanical ventilation, and increased length of hospitalization in patients undergoing cardiac surgeries.
Ahmed Omran (Fri,) studied this question.