Subclinical Atrial Fibrillation and the Risk of Stroke

A cohort of 2580 patients with pacemakers or defibrillators were monitored for 3 months to detect subclinical atrial tachyarrhythmias. Patients with subclinical atrial tachyarrhythmias had a significantly increased risk of subsequent ischemic stroke. Atrial fibrillation may be asymptomatic and conse...

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Veröffentlicht in:The New England journal of medicine 2012-01, Vol.366 (2), p.120-129
Hauptverfasser: Healey, Jeff S, Connolly, Stuart J, Gold, Michael R, Israel, Carsten W, Van Gelder, Isabelle C, Capucci, Alessandro, Lau, C.P, Fain, Eric, Yang, Sean, Bailleul, Christophe, Morillo, Carlos A, Carlson, Mark, Themeles, Ellison, Kaufman, Elizabeth S, Hohnloser, Stefan H
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container_end_page 129
container_issue 2
container_start_page 120
container_title The New England journal of medicine
container_volume 366
creator Healey, Jeff S
Connolly, Stuart J
Gold, Michael R
Israel, Carsten W
Van Gelder, Isabelle C
Capucci, Alessandro
Lau, C.P
Fain, Eric
Yang, Sean
Bailleul, Christophe
Morillo, Carlos A
Carlson, Mark
Themeles, Ellison
Kaufman, Elizabeth S
Hohnloser, Stefan H
description A cohort of 2580 patients with pacemakers or defibrillators were monitored for 3 months to detect subclinical atrial tachyarrhythmias. Patients with subclinical atrial tachyarrhythmias had a significantly increased risk of subsequent ischemic stroke. Atrial fibrillation may be asymptomatic and consequently subclinical. 1 , 2 Epidemiologic studies indicate that many patients with atrial fibrillation on screening electrocardiograms had not previously received a diagnosis of atrial fibrillation. 3 About 15% of strokes are attributable to documented atrial fibrillation, and 50 to 60% to documented cerebrovascular disease, 4 – 7 but in about 25% of patients who have ischemic strokes, no etiologic factor is identified. 4 , 8 , 9 Subclinical atrial fibrillation is often suspected to be the cause of stroke in these patients. 10 However, the prevalence and prognostic value of subclinical atrial fibrillation has been difficult to assess. 8 , 9 , 11 , 12 An . . .
doi_str_mv 10.1056/NEJMoa1105575
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Vascular system ; Defibrillators, Implantable ; Electrocardiography ; Embolism ; Embolism - etiology ; Female ; Fibrillation ; General aspects ; Heart ; Humans ; Hypertension - complications ; Ischemia ; Male ; Medical research ; Medical sciences ; Neurology ; Pacemaker, Artificial ; Pacemakers ; Prospective Studies ; Risk ; Stroke ; Stroke - etiology ; Vascular diseases and vascular malformations of the nervous system</subject><ispartof>The New England journal of medicine, 2012-01, Vol.366 (2), p.120-129</ispartof><rights>Copyright © 2012 Massachusetts Medical Society. 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Patients with subclinical atrial tachyarrhythmias had a significantly increased risk of subsequent ischemic stroke. Atrial fibrillation may be asymptomatic and consequently subclinical. 1 , 2 Epidemiologic studies indicate that many patients with atrial fibrillation on screening electrocardiograms had not previously received a diagnosis of atrial fibrillation. 3 About 15% of strokes are attributable to documented atrial fibrillation, and 50 to 60% to documented cerebrovascular disease, 4 – 7 but in about 25% of patients who have ischemic strokes, no etiologic factor is identified. 4 , 8 , 9 Subclinical atrial fibrillation is often suspected to be the cause of stroke in these patients. 10 However, the prevalence and prognostic value of subclinical atrial fibrillation has been difficult to assess. 8 , 9 , 11 , 12 An . . .</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Atrial Fibrillation - complications</subject><subject>Atrial Fibrillation - therapy</subject><subject>Biological and medical sciences</subject><subject>Cardiac arrhythmia</subject><subject>Cardiac dysrhythmias</subject><subject>Cardiac Pacing, Artificial - methods</subject><subject>Cardiology. 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subjects Aged
Aged, 80 and over
Atrial Fibrillation - complications
Atrial Fibrillation - therapy
Biological and medical sciences
Cardiac arrhythmia
Cardiac dysrhythmias
Cardiac Pacing, Artificial - methods
Cardiology. Vascular system
Defibrillators, Implantable
Electrocardiography
Embolism
Embolism - etiology
Female
Fibrillation
General aspects
Heart
Humans
Hypertension - complications
Ischemia
Male
Medical research
Medical sciences
Neurology
Pacemaker, Artificial
Pacemakers
Prospective Studies
Risk
Stroke
Stroke - etiology
Vascular diseases and vascular malformations of the nervous system
title Subclinical Atrial Fibrillation and the Risk of Stroke
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