Journal
JOURNAL OF CRITICAL CARE
Volume 30, Issue 5, Pages 994-997Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.jcrc.2015.06.003
Keywords
Atrial fibrillation; Acute respiratory distress syndrome; Interleukins; Troponin; Epinephrine; Mortality; Mechanism
Categories
Funding
- National Institutes of Health/National Heart Lung and Blood Institute [K01HL116768-01, 2R01HL092577]
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Purpose: Outcomes and risk factors associated with new-onset atrial fibrillation (AF) during acute respiratory distress syndrome (ARDS) are unclear. We investigated mortality and risk factors associated with new-onset AF during ARDS. Materials and methods: We obtained data from the ARDS Network Albuterol for Treatment of Acute Lung Injury trial, which prospectively identified new-onset AF among patients with ARDS as an adverse event. We determined Acute Physiology and Chronic Health Evaluation III-adjusted associations between new-onset AF and 90-day mortality. We also examined associations between new-onset AF and markers of inflammation (interleukin 6 and interleukin 8), myocardial injury (troponin I), autonomic activation (epinephrine), and atrial stretch (central venous pressure) as well as other clinical characteristics. Measurements and main results: Of 282 patients (mean age, 51.6 years; 45% women; 77% white) enrolled in Albuterol for Treatment of Acute Lung Injury, 28 (10%) developed new-onset AF during the study. We did not identify associations between new-onset AF and baseline central venous pressure, plasma levels of troponin I, epinephrine, interleukin 6, or interleukin 8. New-onset AF during ARDS was associated with increased 90-day mortality (new-onset AF, 43% vs no new-onset AF, 19%; Acute Physiology and Chronic Health Evaluation-adjusted odds ratio, 3.09 [95% confidence interval, 1.24-7.72]; P = .02). Conclusion: New-onset AF during ARDS is associated with increased mortality; however, its mechanisms require further study. (C) 2015 Elsevier Inc. All rights reserved.
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