Atrial fibrillation occurring transiently with stress.

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Atrial fibrillation occurring transiently with stress.

Curr Opin Cardiol. 2018 Jan;33(1):58-65

Authors: McIntyre WF, Connolly SJ, Healey JS

Abstract
PURPOSE OF REVIEW: Atrial fibrillation may be detected in the setting of an acute stressor, such as medical illness or surgery. It is uncertain if atrial fibrillation detected in these settings (AFOTS: atrial fibrillation occurring transiently with stress) is secondary to a reversible trigger or is simply paroxysmal atrial fibrillation. This distinction is critical for clinicians, who must decide if AFOTS can be dismissed as a reversible phenomenon, or if it signals the need for chronic therapy; in particular, anticoagulation.
RECENT FINDINGS: Published studies report incidences of AFOTS ranging from 1 to 44% in patients with acute medical illness and 1 to 35% following noncardiac surgery. The highest estimates have been reported in critically ill patients and in those undergoing continuous monitoring. A small number of studies have reported the recurrence of atrial fibrillation after AFOTS to be 55-68% within 5 years of medical illness and 37% within 1 year after noncardiac surgery. These studies are limited by retrospective design and low-sensitivity ascertainment.
SUMMARY: AFOTS commonly occurs in patients with acute medical illness or in the postoperative state, and atrial fibrillation recurs in over 50% of individuals. Prospective postdischarge studies using sensitive atrial fibrillation detection strategies are needed to define the relationship between AFOTS and clinical atrial fibrillation.

PMID: 29049042 [PubMed - in process]

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