Abstract
The magnetic fields caused by the human heart's electrical activity were coherently recorded with a biomagnetic multichannel system (KRENIKON®) during 1 to 10 minutes in 49 patients. 31 to 37 magnetic channels were recorded simultaneously with the ECG and respiration.
Comparison of a magnetic index and the Sokolow-Lyon index to echocardiographic findings in the quantification of left ventricular hypertrophy demonstrated the superiority of the magnetocardiogram (MCG) as compared to the ECG. The magnetocardiographic investigation of patients with WPW-Syndrome, ventricular extrasystoles, ventricular tachycardia, and paced ventricular beats demonstrated that multichannel magnetocardiography permits the non-invasive three dimensional localization of arrhythmogenic tissue with high spatial accuracy.
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Abbreviations
- ECG:
-
electrocardiogram
- MCG:
-
magnetocardiogram
- MI:
-
magnetic index
- MRI:
-
magnetic resonance imaging
- pT:
-
pico Tesla
- SLI:
-
Sokolow-Lyon-Index
- SQUID:
-
superconducting quantum interference device
- VES:
-
ventricular extrasystole
- VT:
-
ventricular tachycardia
- WPW:
-
Wolff-Parkinson-White
References
Achenbach S, Moshage W, Weikl A, Härer W, Abraham-Fuchs K, Göhl K, et al. Elimination of electronic offset and physiological background activity in magnetocardiographic localization. Biomed Tech 1990; 35 Suppl 3: 160–1.
Baule G, McFee R. Detection of the magnetic field of the heart. Am Heart J 1963; 66: 95–6.
Erné SN. High resolution magnetocardiography: Modeling and sources localization. Med Biol Eng Comput 1985; 23: 1447.
Fenici RR, Melillo G, Capelli A. Magnetocardiographic three-dimensional localization of Kent bundles. In: Atsumi K, Kotani M, Ueno S, editors. Biomagnetism '87. Tokyo: Tokyo Denki University Press 1987: 140–1.
Fenici RR, Melillo G, Capelli A, Deluca C, Maselli M. Atrial and ventricular tachycardias: Invasive validation and reproducibility of magnetocardiographic imaging. In: Williamson SJ, Hoke M, Stroink G, Kotani M, editors. Advances in biomagnetism. New York: Plenum Press 1989: 441–4.
Fujino K, Sumi M, Saito K. Magnetocardiograms of patients with left ventricular overloading recorded with a second-derivative SQUID gradiometer. J Electrocardiol 1984; 17: 219.
Katila T, Montonen L, Maekijaervi M, Nenonen J, Raivic M, Siltanen P. Localization of the accessory cardiac conduction pathway. In: Atsumi K, Kotani M, Ueno S, editors. Biomagnetism '87. Tokyo: Tokyo Denki University Press 1987: 430–3.
Moshage W, Abraham-Fuchs K, Weikl A, Schneider S, Bachmann K, Schittenhelm R. Magnetocardiography (MCG): non-invasive localization of accessory conduction pathways in patients with the WPW syndrome. Electromedica 1989; 57: 122–8.
Moshage W, Achenbach S, Bolz A, Weikl A, Wegener P, Bachmann K, et al. A non-magnetic, MR-compatible pacing catheter for clinical application in magnetocardiography. Biomed Tech 1990; 35 Suppl 3: 162–3.
Moshage W, Weikl A, Abraham-Fuchs K, Schneider S, Göhl K, Feistel H, et al. Magnetokardiographie: Erste klinische Erfahrungen mit einem biomagnetischen Vielkanalsystem. Herz/Kreisl. 1990; 22: 245–9.
Schneider S, Hoenig E, Reichenberger H, Abraham-Fuchs K, Moshage W, Oppelt A, et al. Multichannel biomagnetic system for study of electrical activity in the brain and heart. Radiology 1990; 176: 825–30.
Williamson SJ, Romani GL, Kaufman L, Modena J. Biomagnetism: an interdisciplinary approach. New York: Plenum Press, 1982.
Zimmermann JE, Thiene P, Harding JT. Design and operation of stable rf-biased superconducting point-contact quantum devices, and a note on the properties of perfectly clean metal contacts. J Appl Phys 1970; 41: 1572–80.
Fenici RR, Masselli M, Lopez L, Melillo G. Catheter ablation of cardiac arrhythmias: magnetocardiographic localization of electrocatheters and arrhythmogenic foci. New Trends in Arrhythmias 1988; III–4, IV–1/2: 723.
Moshage W, Achenbach S, Göhl K, Weikl A, Bachmann K, Wegener P, et al. Biomagnetic localization of ventricular arrhythmias. Radiology 1991; 180: 685–92.
Moshage W, Achenbach S, Weikl A, Göhl K, Abraham-Fuchs K, Schneider S, et al. Progress in biomagnetic imaging of heart arrhythmias. In: Baert/Heuck, editors. Frontiers in European radiology. Berlin, Heidelberg: Springer, 1991: 1–19.
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Moshage, W., Achenbach, S., Weikl, A. et al. Clinical magnetocardiography: Experience with a biomagnetic multichannel system. Int J Cardiac Imag 7, 217–223 (1991). https://doi.org/10.1007/BF01797754
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DOI: https://doi.org/10.1007/BF01797754