Arrhythmias & electrophysiology
Cardiac MRI Oversampling in Heart Digital Twins Improves Preprocedure Ventricular Tachycardia Identification in Postinfarction Patients
Authors' conclusion
Digital twin infarct geometry and VT circuit predictions depend on the magnetic resonance resolution. Ov-Res digital twins better predict VT circuits and emergent VT
Study context
- Population
- Post-MI patients undergoing ventricular tachycardia (VT) ablation3 digital twins per patient
- Participants
- 6 patients
- Comparison
- Oversampled-resolution vs clinical-resolution cardiac magnetic resonance (CMR)-based heart digital twins
- Outcome
- Prediction of unique VT circuits (vs intraprocedural electroanatomic mapping)
Main finding
As reported in the abstract
Unique VT circuits predicted
P < 0.01
Further findings
Identification of emergent VT after failed initial ablation
- Only the oversampled resolution (Ov-Res) digital twin identified emergent VT
Original publication
Cardiac MRI Oversampling in Heart Digital Twins Improves Preprocedure Ventricular Tachycardia Identification in Postinfarction Patients. JACC Clin Electrophysiol. Published 26 June 2024. doi:10.
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