Magnetocardiographic non-invasive localization of accessory pathways in the Wolff-Parkinson-White syndrome by a multichannel system

• Published in: European heart journal Vol. 13; no. 5; p. 616
• Main Authors: Weismüller, P, Abraham-Fuchs, K, Schneider, S, Richter, P, Kochs, M, Hombach, V
• Format: Journal Article
• Language: English
• Published: England 01-05-1992
• Subjects: Adult; Aged; Cardiac Catheterization; Electrocardiography; Heart Conduction System - physiopathology; Heart Conduction System - surgery; Humans; Magnetic Resonance Imaging - instrumentation; Middle Aged; Wolff-Parkinson-White Syndrome - diagnosis; Wolff-Parkinson-White Syndrome - physiopathology; Wolff-Parkinson-White Syndrome - surgery
• ISSN: 0195-668X
• DOI: 10.1093/oxfordjournals.eurheartj.a060224

Electrical activity can be localized by magnetocardiography (MCG) non-invasively. In this study a 37-SQUID (Super Conducting Quantum Interference Device) sensor multi-channel system (KRENIKON) was used to assess the potential of magnetocardiography to localize accessory pathways with a multichannel system. Seven WPW patients were studied by means of magnetocardiography. Prior to the MCG recordings, the site of the accessory pathway had been determined in all patients by invasive catheter mapping. MR images of the heart were used for anatomical correlation. The magnetocardiographic localization of the accessory pathway corresponded with catheter mapping within 2.1 cm on average (total range: 0-5 cm). This is thus, a promising new method for non-invasive localization of accessory pathways in WPW patients.