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Review
. 2020 Dec;9(4):195-201.
doi: 10.15420/aer.2020.34.

Frequency and Determinants of Spontaneous Conversion to Sinus Rhythm in Patients Presenting to the Emergency Department with Recent-onset Atrial Fibrillation: A Systematic Review

Nikki Aha Pluymaekers  1 , Astrid Nl Hermans  1 , Dominik K Linz  1   2 , Elton Amp Dudink  1 , Justin Glm Luermans  1   2 , Bob Weijs  1 , Kevin Vernooy  1   2 , Harry Jgm Crijns  1
Affiliations
Review

Frequency and Determinants of Spontaneous Conversion to Sinus Rhythm in Patients Presenting to the Emergency Department with Recent-onset Atrial Fibrillation: A Systematic Review

Nikki Aha Pluymaekers et al. Arrhythm Electrophysiol Rev. 2020 Dec.

Abstract

The exact frequency and clinical determinants of spontaneous conversion (SCV) in patients with symptomatic recent-onset AF are unclear. The aim of this systematic review is to provide an overview of the frequency and determinants of SCV of AF in patients presenting at the emergency department. A comprehensive literature search for studies about SCV in patients presenting to the emergency department with AF resulted in 25 articles - 12 randomised controlled trials and 13 observational studies. SCV rates range between 9-83% and determinants of SCV also varied between studies. The most important determinants of SCV included short duration of AF (<24 or <48 hours), low number of episodes, normal atrial dimensions and absence of previous heart disease. The large variation in SCV rate and determinants of SCV was related to differences in duration of the observation period, inclusion and exclusion criteria and in variables used in the prediction models.

Keywords: AF; Spontaneous conversion; determinants; emergency care; systematic review.

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Conflict of interest statement

Disclosure: The authors have no conflicts of interest to declare.

Figures

Figure 1:
Figure 1:. Flow Chart of Literature Search
Figure 2:
Figure 2:. Risk of Bias Assessment
Figure 3:
Figure 3:. Spontaneous Conversion Rate for Different Periods of Observation Times
See this image and copyright information in PMC

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References

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