Abstract
The optimal timing for tracheostomy after cardiac surgery in patients undergoing prolonged ventilation is controversial. The aim of this study was to assess the effect of tracheostomy timing on short- and long-term mortality of these patients. Retrospective study of prospectively collected data. Cardiac surgical intensive care unit (ICU) in a tertiary-care, university-affiliated hospital. All patients undergoing tracheostomy after cardiac surgery between September 2004 and March 2013 were included. The authors compared the outcome in 2 groups of patients according to the timing of tracheostomy: Group I, early-intermediate tracheostomy (0-14 days) and Group II, late tracheostomy (≥15 days). During the study period, 6,069 patients underwent cardiac surgery; among them, 199 patients (3.26%) received a tracheostomy. There were 90 patients in Group I and 109 patients in Group II. There was no significant difference in the severity of the patients' illness between the groups. The mortality rate at 3 months, 6 months, 1 year, and 2 years was 37%, 48%, 56%, and 58% in Group I, respectively, and 58%, 70%, 74%, and 77% in Group II, respectively (p< 0.01). Early-intermediate (0-14 days) tracheostomy after cardiac surgery in patients requiring prolonged mechanical ventilation was associated with reduced mortality compared with late tracheostomy (≥15 days).
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