Is tracheostomy associated with better outcomes for patients requiring long-term mechanical ventilation?
OBJECTIVE: To evaluate the effect of tracheostomy on intensive care unit (ICU) and in-hospital mortality for patients requiring prolonged (> 3 days) mechanical ventilation (MV). DESIGN, SETTING, AND PATIENTS: We retrospectively reviewed the charts of all consecutive patients admitted to our 18-bed tertiary care ICU over 3 yrs (2002-2004) and who received prolonged MV. Outcomes of tracheostomized and nontracheostomized patients were evaluated using univariable and multivariable logistic-regression analyses and by constructing a case-control cohort using a propensity score for performing tracheostomy. MV duration for controls was at least equal to the time from MV onset to tracheostomy for the matched case. MEASUREMENTS AND MAIN RESULTS: Of the 506 patients requiring prolonged MV, 166 were tracheostomized after a median of 12 days of MV. Nontracheostomized patients had higher ICU (42% vs. 33%, p = .06) and in-hospital (48% vs. 37%, p = .03) mortality rates and shorter MV durations and IC
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