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Atrial Fibrillation (AF) is common among adults with congestive heart failure (CHF). We conducted a meta-analysis to summarize the risk of mortality and cardiovascular disease associated with AF in CHF and stratified our analyses by AF timing and pattern.We searched MEDLINE and EMBASE for observational studies examining the association of AF with cardiovascular disease and death. Eligible studies had a minimum of 50 participants with AF and 50 participants without AF, and a median follow up of 6 months.Forty studies involving 152,215 adults (48,237 with AF) were included in this meta-analysis. AF was associated with an increased risk of mortality and this risk varied between incident and prevalent AF (RR: 2.21, 95% CI: 1.96-2.49 versus RR: 1.19, 95% CI: 1.03-1.38, respectively, p<0.001 for interaction). The risk of incident AF was consistent in adults with CHF with reduced and preserved ejection fraction. The relative risk of mortality did not vary between paroxysmal and chronic AF. Finally, AF was associated with an increased risk of cardiovascular mortality and stroke.Use of anticoagulation was infrequently reported in included studies.AF was associated with an increased risk of cardiovascular disease and death and notably, the risk of mortality varied by AF timing.

Original publication

DOI

10.1016/j.cardfail.2016.08.005

Type

Journal article

Journal

Journal of Cardiac Failure

Publisher

Elsevier

Publication Date

24/08/2016

Addresses

University of Oxford, Oxford, United Kingdom. Electronic address: ayodele.odutayo@bnc.ox.ac.uk.