Magnetocardiography is sensitive to differences in inter-atrial conduction in patients with paroxysmal lone atrial fibrillation

作者: Ville Mäntynen , Anne-Mari Vitikainen , Raija Koskinen , Markku Mäkijärvi , Lauri Toivonen

DOI: 10.1016/J.ICS.2006.12.081

关键词:

摘要: Abstract Electrophysiological (EP) studies have shown differences in inter-atrial conduction. Conduction pathways may relevance for atrial fibrillation (AF). We investigated if patients with lone paroxysmal AF presenting diverse conduction EPS also differ non-invasive magnetocardiographic (MCG) mappings. Measurements were carried out during sinus rhythm. Atrial activation maps acquired used to identify pathways. For MCG, we pseudocurrent parameterization and created a new method characterize the orientation of magnetic field map (MFM). The results suggest that MFM is sensitive

参考文章(4)
Franz X. Roithinger, Jie Cheng, Arne SippensGroenewegen, Randall J. Lee, Leslie A. Saxon, Melvin M. Scheinman, Michael D. Lesh, Use of Electroanatomic Mapping to Delineate Transseptal Atrial Conduction in Humans Circulation. ,vol. 100, pp. 1791- 1797 ,(1999) , 10.1161/01.CIR.100.17.1791
Raija Koskinen, Mika Lehto, Heikki Väänänen, Juha Rantonen, Liisa-Maria Voipio-Pulkki, Markku Mäkijärvi, Lasse Lehtonen, Juha Montonen, Lauri Toivonen, Measurement and reproducibility of magnetocardiographic filtered atrial signal in patients with paroxysmal lone atrial fibrillation and in healthy subjects Journal of Electrocardiology. ,vol. 38, pp. 330- 336 ,(2005) , 10.1016/J.JELECTROCARD.2005.03.012
D. Cohen, Magnetic Field Produced by a Current Dipole J. Electrocradiology. ,vol. 9, pp. 409- 417 ,(1976)