• Nathan J Smischney, Mohamed O Seisa, Katherine J Heise, Robert A Wiegand, Kyle D Busack, Jillian L Deangelis, Theodore O Loftsgard, Darrell R Schroeder, and Daniel A Diedrich.
• Department of Anesthesiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, United States; Hemodynamic and Airway Management Group (HEMAIR), Mayo Clinic, 200 First St SW, Rochester, MN 55905, United S... more tates. Electronic address: smischney.nathan@mayo.edu. less
• J Crit Care. 2018 Apr 1; 44: 179-184.

PurposeOur primary aim was to identify predictors of immediate hemodynamic decompensation during the peri-intubation period.MethodsWe conducted a nested case-control study of a previously identified cohort of adult patients needing intubation admitted to a medical-surgical ICU during 2013-2014. Hemodynamic derangement was defined as cardiac arrest and/or the development of systolic blood pressure <90mmHg and/or mean arterial pressure <65mmHg 30min following intubation. Data during the peri-intubation period was analyzed.ResultsThe final cohort included 420 patients. Immediate hemodynamic derangement occurred in 170 (40%) patients. On multivariate modeling, age/10year increase (OR 1.20, 95% CI 1.03-1.39, p=0.02), pre-intubation non-invasive ventilation (OR 1.71, 95% CI 1.04-2.80, p=0.03), pre-intubation shock index/1 unit (OR 5.37 95% CI 2.31-12.46, p≤0.01), and pre-intubation modified shock index/1 unit (OR 2.73 95% CI 1.48-5.06, p≤0.01) were significantly associated with hemodynamic derangement. Those experiencing hemodynamic derangement had higher ICU [47 (28%) vs. 33 (13%); p≤0.001] and hospital [69 (41%) vs. 51 (20%); p≤0.001] mortality.ConclusionsHemodynamic derangement occurred at a rate of 40% and was associated with increased mortality. Increasing age, use of non-invasive ventilation before intubation, and increased pre-intubation shock and modified shock index values were significantly associated with hemodynamic derangement post-intubation.Copyright © 2017 Elsevier Inc. All rights reserved.

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