Delirium: Prevalence and factors associated with the postoperative period of cardiovascular surgery in the elderly

Abstract

Objective: to identify the prevalence of delirium in elderly inpatients from an Intensive Care Unit in the postoperative period of cardiovascular surgery and to verify an association between delirium and sociodemographic and clinical variables. Method: cross-sectional, analytical study, carried out in a cardiology center. Elderly inpatients between June and October 2018 were analyzed. Screening for delirium was performed using the Confusion Assessment Method for Intensive Care Unit. Results: males had an incidence of 65% and systemic arterial hypertension (75%) was the most reported chronic disease; 30% had acute myocardial infarction and longer time in cardiopulmonary bypass, in addition to having remained hospitalized longer; and 30% of the delusional ones died. Conclusion: the prevalence found was 40% and was associated with the elderly, with the male sex, with the significant level of education, use of tobacco, previous comorbidities; these remained hospitalized longer and died more when compared to the other group.