Atrial Septal Aneurysms and Supraventricular Arrhythmias: The Role of Atrial Electromechanical Delay

Echocardiography
Vincenzo RussoGerardo Nigro

Abstract

Paroxysmal supraventricular arrhythmias (SVAs) frequently occur in patients with atrial septal aneurysm (ASA). The aim of the current study was to evaluate the electrocardiographic (P-wave duration and dispersion) and echocardiographic (atrial electromechanical delay, AEMD) noninvasive indicators of atrial conduction heterogeneity in healthy ASA subjects without interatrial shunt and to assess the AEMD role in predicting the SVAs onset in this population. One hundered ASA patients (41 males, mean age of 32.5 ± 8 years) and 100 healthy subjects used as controls, matched for age and gender, were studied for the occurrence of SVAs during a 4-year follow-up, through 30-day external loop recorder (ELR) monitoring performed every 3 months. ASAs were diagnosed by transthoracic echocardiography based on the criteria of a minimal aneurismal base of ≥15 mm and an excursion of ≥10 mm. Intra-AEMD and inter-AEMD of both atria were measured through tissue Doppler echocardiography. P-wave dispersion (PD) was carefully measured using 12-lead electrocardiogram (ECG). Compared to the healthy control group, the ASA group showed a statistically significant increase in inter-AEMD, intra-left AEMD, maximum P-wave duration, and PD. Dividing the ASA g...Continue Reading

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Citations

Sep 4, 2015·Journal of Cardiovascular Electrophysiology·Vincenzo RussoGerardo Nigro
Mar 1, 2018·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Vincenzo RussoGerardo Nigro
Sep 24, 2019·Scandinavian Cardiovascular Journal : SCJ·Ertan YetkinSelcuk Ozturk
Nov 24, 2016·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Anna RagoGerardo Nigro
May 31, 2018·JRSM Cardiovascular Disease·Vincenzo RussoGerardo Nigro
Mar 7, 2020·Journal of Perinatal Medicine·Veciha Özlem BozkayaYaprak Engin-Ustun

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