Clinical course after identification of new-onset atrial fibrillation in critically ill patients: The AFTER-ICU study.

Journal of Critical Care
Takuo YoshidaAFTER-ICU study group

Abstract

Epidemiological information is lacking after identification of new-onset atrial fibrillation (AF) in critically ill patients. This study aimed to describe the clinical course after the identification of new-onset AF. This prospective cohort study enrolled adult patients with new-onset AF in 32 Japanese ICUs during 2017-2018. We collected data on patient comorbidities, physiological information before and at the AF onset, interventions for AF, cardiac rhythm transition, adverse events and in-hospital death and stroke. We included 423 new-onset AF patients. At the AF onset, mean arterial pressure decreased and the heart rate increased. Eighty-four patients (20%) spontaneously restored sinus rhythm and 328 patients (78%) received various pharmacological interventions (rate-control drugs, 67%; rhythm-control drugs, 34%). Anticoagulants were administered in 173 patients (40%) and 13 patients (3%) experienced bleeding complications. Twenty-four patients (6%) were still in AF at 168 h after the onset (sustained AF 4%; recurrent AF 2%). The overall hospital mortality was 26% and the incidence of in-hospital stroke was 4.5%. Although the proportion of patients with AF continued to decrease with various treatments, these patients had hig...Continue Reading

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