Journal article
Fractionated atrial electrograms during sinus rhythm: Relationship to age, voltage, and conduction velocity
KC Roberts-Thomson, PM Kistler, P Sanders, JB Morton, HM Haqqani, I Stevenson, JK Vohra, PB Sparks, JM Kalman
Heart Rhythm | ELSEVIER SCIENCE INC | Published : 2009
Abstract
Background: Fractionated atrial electrograms (CFAEs) have been implicated in the mechanism of atrial fibrillation (AF). The prevalence and distribution of CFAEs in normal populations have not been clearly defined. Objective: This study sought to determine the influence of age on CFAEs and investigate the relationship between CFAEs and the underlying atrial substrate. Methods: Twenty-one patients without structural heart disease underwent electroanatomic mapping of their right atrium (RA). Patients were categorized into 3 groups according to age: group A, patients 60 years (66.9 ± 7.7 years, n = 8). The proportion of points with CFAEs was analyzed for the high and low septal RA, high and low ..
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Funding Acknowledgements
Drs. Roberts-Thomson and Haqqani are the recipients of Postgraduate Research Scholarships from the National Health and Medical Research Council (NHMRC) of Australia. Dr. Stevenson is the recipient of a Postgraduate Scholarship from the National Heart Foundation of Australia and the Cardiac Society of Australia and New Zealand. Dr. Kistler is the recipient of the Neil Hamilton Fairley Scholarship from the NHMRC of Australia and the National Heart Foundation. Dr. Sanders has served on the advisory board of and has received lecture fees and research funding from St Jude Medical, Medtronic, Bard Electrophysiology, and Biosense-Webster.