Key result
ST-T interval trajectory plots from magnetic field maps and body surface potential maps separated myocardial infarct and ventricular arrhythmia patients with accuracies of 83% and 73%, respectively.
Why the study?
Do magnetic field maps and body surface potential maps accurately identify patients vulnerable to recurrent sustained ventricular arrhythmia?
Population
106 subjects including 76 normal subjects, 15 myocardial infarct patients, and 15 ventricular arrhythmia…
Comparison
Magnetic field maps and body surface potential… vs Comparison between patient groups and between…
Design
Cross-sectional
Authors
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May refine post-MI arrhythmia risk stratification; leaves open prospective validation before clinical use.
Observational (n=106)
Do magnetic field maps and body surface potential maps accurately identify patients vulnerable to recurrent sustained ventricular arrhythmia?
Absolute Event Rate: 83% vs 73%
p-value: p=<0.0001
Repolarization extrema trajectory plots from magnetic field maps and body surface potential maps can effectively identify patients at risk for ventricular arrhythmias.
Stroink et al. (1999) conducted an observational in Ventricular arrhythmia (n=106). Magnetic field maps (MFM) vs. Body surface potential mapping (BSPM) was evaluated on Separation of MI and VA patients using ST-T interval trajectory plots (accuracy) (p=<0.0001). ST-T interval trajectory plots from magnetic field maps and body surface potential maps separated myocardial infarct and ventricular arrhythmia patients with accuracies of 83% and 73%, respectively.
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