Advanced interatrial block precedes atrial fibrillation and stroke. The prospective interatrial Block And Yearly EventS (BAYES) registry

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ID: 271657
2020
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Abstract
Background Advanced interatrial block (IAB), prolonged and bimodal P waves in surface ECG inferior leads, is an unrecognized surrogate of atrial dysfunction and a trigger of atrial dysrhythmias, mainly atrial fibrillation (AF). Our aim was to prospectively assess whether advanced IAB in sinus rhythm precedes AF and stroke in elderly outpatients with structural heart disease, a group not previously studied. Methods Prospective observational registry that included outpatients aged ≥70 years with structural heart disease and no previous diagnosis of AF. Patients were divided into three groups according to P-wave characteristics. Results Among 556 individuals, 223 had normal P-wave (40.1%), 196 partial IAB (35.3%), and 137 advanced IAB (24.6%). After a median follow-up of 694 days; 93 patients (16.7%) developed AF, 30 stroke (5.4%), and 34 died (6.1%). Advanced IAB was independently associated with AF (hazard ratio [HR] 2.9, 95% confidence interval [CI] 1.7–5.1, p
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luna2020europeanadvanced Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors M Martinez-Selles,R Elosua,M Ibarrola,M De Andres,P Diez-Villanueva,A Bayes-Genis,A Baranchuck,A Bayes De Luna;M Martinez-Selles;R Elosua;M Ibarrola;M De Andres;P Diez-Villanueva;A Bayes-Genis;A Baranchuck;A Bayes De Luna;
Journal european heart journal
Year 2020
DOI
10.1093/ehjci/ehaa946.0485
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