Arrhythmias & electrophysiology
Head-to-Head Comparison of T1 Mapping and Electroanatomical Voltage Mapping in Patients With Ventricular Arrhythmias
Authors' conclusion
This study found a significant inverse relationship between LV endocardial voltage and ECV.
Study context
- Population
- Patients undergoing endocardial electroanatomical voltage mapping (EAVM) for ventricular arrhythmias with preprocedural T1-mapping CMR (nonischemic/ischemic cardiomyopathy/controls: 8/6/4)628 segments
- Participants
- 18 patients
- Exposure
- ECV by T1-mapping CMR vs left ventricular (LV) endocardial voltage by EAVM
- Outcome
- Relationship between LV endocardial voltage (EAVM) and ECV (T1 mapping)
Main finding
As reported in the abstract
| Group | AUC for abnormal bipolar voltage (BV) (<2.9 mV) | AUC for abnormal unipolar voltage (UV) (<6.7 mV) |
|---|---|---|
| ECV | 0.78 (95% CI: 0.74-0.83) | 0.84 (95% CI: 0.79-0.88) |
ECV
AUC for abnormal bipolar voltage (BV) (<2.9 mV)0.78 (95% CI: 0.74-0.83)
AUC for abnormal unipolar voltage (UV) (<6.7 mV)0.84 (95% CI: 0.79-0.88)
Observational data: associations, not effects.
Original publication
Head-to-Head Comparison of T1 Mapping and Electroanatomical Voltage Mapping in Patients With Ventricular Arrhythmias. JACC Clin Electrophysiol. Published 18 January 2023. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →