Investigation of the atrial conduction time measured by tissue Doppler imaging at the left atrial appendage and the actual electrical conduction time: consideration of left atrial remodeling in atrial fibrillation patients
| Autor: | Ayako Nakagawa, Shiro Nakahara, Sayuki Kobayashi, Naofumi Anjo, Isao Taguchi, Naoki Nishiyama, Kouta Yamada, Akiko Hayashi, Yoshihiko Sakai, Yuichi Hori, Takaaki Komatsu |
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| Rok vydání: | 2016 |
| Předmět: |
Male
medicine.medical_specialty medicine.medical_treatment Neural Conduction 030204 cardiovascular system & hematology Doppler imaging Sensitivity and Specificity Nerve conduction velocity 03 medical and health sciences 0302 clinical medicine Left atrial Heart Conduction System Physiology (medical) Internal medicine Atrial Fibrillation medicine Humans Sinus rhythm Atrial Appendage 030212 general & internal medicine Excitation Contraction Coupling business.industry P wave Body Surface Potential Mapping Reproducibility of Results Atrial fibrillation Atrial Remodeling Middle Aged medicine.disease Ablation Atrial Function Echocardiography Doppler Electrophysiology Cardiology Elasticity Imaging Techniques Female Cardiology and Cardiovascular Medicine business |
| Zdroj: | Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing. 48(1) |
| ISSN: | 1572-8595 |
| Popis: | The atrial conduction time measured by echocardiography using tissue Doppler imaging (TDI) has been reported as a predictive factor of left atrial (LA) remodeling. We investigated the P wave to LA appendage (LAA) conduction time defined by transthoracic echocardiography using TDI (P-LAA TDI), and directly compared the actual LA electrical conduction time determined by the electrophysiological data. Additionally, we confirmed the clinical utility of the P-LAA TDI by examining the relationship to the electroanatomical LA remodeling data. Sixty-three AF patients (22 paroxysmal AF, 41 persistent AF) underwent ablation and electroanatomical LA mapping. The P-LAA TDI was measured after the ablation and was compared with the electrophysiological data during sinus rhythm, including the actual electrical conduction time. A strong linear correlation (r = 0.776, p |
| Databáze: | OpenAIRE |
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