Electrocardiographic Left Atrial Abnormality and Risk of Stroke: Northern Manhattan Study

Hooman Kamel; Madeleine Hunter; Yeseon P Moon; Shadi Yaghi; Ken Cheung; Marco R Di Tullio; Peter M Okin; Ralph L Sacco; Elsayed Z Soliman; Mitchell S V Elkind

doi:10.1161/STROKEAHA.115.009989

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Electrocardiographic Left Atrial Abnormality and Risk of Stroke: Northern Manhattan Study

Journal article

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Peer reviewed

Electrocardiographic Left Atrial Abnormality and Risk of Stroke: Northern Manhattan Study

Hooman Kamel, Madeleine Hunter, Yeseon P Moon, Shadi Yaghi, Ken Cheung, Marco R Di Tullio, Peter M Okin, Ralph L Sacco, Elsayed Z Soliman and Mitchell S V Elkind

Stroke (1970), Vol.46(11), pp.3208-3212

2015-11

DOI: https://doi.org/10.1161/STROKEAHA.115.009989

PMCID: PMC4624510

PMID: 26396031

Abstract

Arrhythmias, Cardiac - epidemiology

Prospective Studies

Humans

Middle Aged

Risk Factors

Proportional Hazards Models

Male

Intracranial Embolism - epidemiology

Arrhythmias, Cardiac - physiopathology

Incidence

Electrocardiography

Female

Stroke - epidemiology

Aged

Heart Atria - physiopathology

Longitudinal Studies

Cohort Studies

Electrocardiographic left atrial abnormality has been associated with stroke independently of atrial fibrillation (AF), suggesting that atrial thromboembolism may occur in the absence of AF. If true, we would expect an association with cryptogenic or cardioembolic stroke rather than noncardioembolic stroke. We conducted a case-cohort analysis in the Northern Manhattan Study, a prospective cohort study of stroke risk factors. P-wave terminal force in lead V1 was manually measured from baseline ECGs of participants in sinus rhythm who subsequently had ischemic stroke (n=241) and a randomly selected subcohort without stroke (n=798). Weighted Cox proportional hazard models were used to examine the association between P-wave terminal force in lead V1 and stroke etiologic subtypes while adjusting for baseline demographic characteristics, history of AF, heart failure, diabetes mellitus, hypertension, tobacco use, and lipid levels. Mean P-wave terminal force in lead V1 was 4452 (±3368) μV*ms among stroke cases and 3934 (±2541) μV*ms in the subcohort. P-wave terminal force in lead V1 was associated with ischemic stroke (adjusted hazard ratio per SD, 1.20; 95% confidence interval, 1.03-1.39) and the composite of cryptogenic or cardioembolic stroke (adjusted hazard ratio per SD, 1.31; 95% confidence interval, 1.08-1.58). There was no definite association with noncardioembolic stroke subtypes (adjusted hazard ratio per SD, 1.14; 95% confidence interval, 0.92-1.40). Results were similar after excluding participants with a history of AF at baseline or new AF during follow-up. ECG-defined left atrial abnormality was associated with incident cryptogenic or cardioembolic stroke independently of the presence of AF, suggesting atrial thromboembolism may occur without recognized AF.

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Collaboration types: Domestic collaboration
Citation topics: 1 Clinical & Life Sciences; 1.94 Cardiac Arrhythmia; 1.94.95 Atrial Fibrillation
Web Of Science research areas: Clinical Neurology; Peripheral Vascular Disease
ESI research areas: Neuroscience & Behavior

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Title: Electrocardiographic Left Atrial Abnormality and Risk of Stroke: Northern Manhattan Study
Creators: Hooman Kamel - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.). hok9010@med.cornell.edu
Madeleine Hunter - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Yeseon P Moon - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Shadi Yaghi - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Ken Cheung - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Marco R Di Tullio - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Peter M Okin - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Ralph L Sacco - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Elsayed Z Soliman - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Mitchell S V Elkind - From the Department of Neurology, Feil Family Brain and Mind Research Institute (H.K.) and Division of Cardiology (P.M.O.), Weill Cornell Medical College, New York; Department of Neurology (M.H., Y.P.M., S.Y., K.C., M.S.V.E.) and Division of Cardiology (M.R.D.T.), Columbia College of Physicians and Surgeons, New York; Department of Biostatistics, Columbia Mailman School of Public Health, New York (K.C.); Department of Neurology, Human Genetics, and Public Health Sciences, Miller School of Medicine, University of Miami, FL (R.L.S.); Departments of Epidemiology and Prevention (E.Z.S.) and Internal Medicine-Cardiology (E.Z.S.), Epidemiological Cardiology Research Center, Wake Forest School of Medicine, Winston-Salem, NC; and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York (M.S.V.E.)
Publication Details: Stroke (1970), Vol.46(11), pp.3208-3212
Publisher: United States
Grant note: R37NS29993 / NINDS NIH HHS K23 NS082367 / NINDS NIH HHS K23NS082367 / NINDS NIH HHS UL1TR000040 / NCATS NIH HHS UL1 TR000040 / NCATS NIH HHS R37 NS029993 / NINDS NIH HHS R01 NS029993 / NINDS NIH HHS
Academic Unit: Leadership Department; Miller School of Medicine; UMMG Department of Neurology
Language: English
Resource Type: Journal article
PMID: 26396031
PMCID: PMC4624510
Record Identifier: 991031559217002976