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Impact of delayed admission to intensive care units on patients with acute respiratory failure.
Am J Emerg Med. 2017 Jan;35(1):39-44
Authors: Hsieh CC, Lee CC, Hsu HC, Shih HI, Lu CH, Lin CH
Abstract
BACKGROUND/PURPOSE: To determine the impact of delayed admission to the intensive care unit (ICU) on the clinical outcomes of patients with acute respiratory failure (ARF) in the emergency department (ED).
METHODS: This retrospective cohort study included non-traumatic adult patients with ARF and mechanical ventilation support in the ED of a tertiary university hospital in Taiwan from January 1, 2013, to August 31, 2013. Clinical data were extracted from chart records. The primary and secondary outcome measures were a prolonged hospital stay (>30 days) and the in-hospital crude mortality within 90 days, respectively.
RESULTS: For 267 eligible patients (age range 21.0-98.0 years, mean 70.5±15.1 years; male 184, 68.9%), multivariate analysis was used to determine the significant adverse effects of an ED stay >1.0 hour on in-hospital crude mortality (odds ratio 2.19, P<.05), which was thus defined as delayed ICU admission. In-hospital mortality significantly differed between patients with delayed ICU admission and those without delayed admission, as revealed by the Kaplan-Meier survival curves (P<.05). Moreover, a linear-by-linear correlation was observed between the length of ICU waiting time in the ED and the lengths of total hospital stay (r=0.152, P<.05), ICU stay (r=0.148, P<.05), and ventilator support (r=0.222, P<.05).
CONCLUSIONS: For patients with ARF who required mechanical ventilation support and intensive care, a delayed ICU admission more than 1.0 hour is a strong determinant of mortality and is associated with a longer ICU stay and a longer need for ventilation.
PMID: 27742520 [PubMed - indexed for MEDLINE]