ArticleJournal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing2021
Impact of a high-density grid catheter on long-term outcomes for structural heart disease ventricular tachycardia ablation.
Article in Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Accuracy of non-invasive electrocardiographic imaging in scar-dependent ventricular tachycardia: relationship to arrhythmogenic substrate and imaging defined scar.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2026Article
- Predictors of long-term success after high-density mapping-guided substrate ablation procedures for ventricular tachycardia in patients with ischemic cardiomyopathy.Journal of arrhythmia · 2024Article
- Detailed analysis of electrogram peak frequency to guide ventricular tachycardia substrate mapping.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2024Article
- Substrate and arrhythmia characterization using the multi-electrode Optrell mapping catheter for ventricular arrhythmia ablation-a single-center experience.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2024Article
- The era of muti-electrode mapping catheters and ventricular arrhythmia ablation.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2024Article
- Functional Substrate Mapping: A New Frontier in the Treatment of Ventricular Tachycardia in Structural Heart Disease.Arrhythmia & electrophysiology review · 2024Review
- Ablation targets of scar-related ventricular tachycardia identified by dynamic functional substrate mapping.The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology · 2023Article
- Optimization of decrementing evoked potential mapping for functional substrate identification in ischaemic ventricular tachycardia ablation.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2023Article
- Initial experience of temperature-controlled irrigated radiofrequency ablation for ischaemic cardiomyopathy ventricular tachycardia ablation.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2023Article
- Sex differences on outcomes of catheter ablation of ventricular tachycardia in patients with structural heart disease: A real-world systematic review and meta-analysis.Heart rhythm O2 · 2022Article
- Forward-Solution Noninvasive Computational Arrhythmia Mapping: The VMAP Study.Circulation. Arrhythmia and electrophysiology · 2022Article
- Ventricular Tachycardia Ablation Guided by Functional Substrate Mapping: Practices and Outcomes.Journal of cardiovascular development and disease · 2022Review
- Orthogonal high-density mapping with ventricular tachycardia isthmus analysis vs. pure substrate ventricular tachycardia ablation: A case-control study.Frontiers in cardiovascular medicine · 2022Article
- Real-world evaluation of followup strategies after ICD therapies in patients with VT (REFINE-VT).The British journal of cardiology · 2021Article
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Authors and funding
16 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundSubstrate mapping has highlighted the importance of targeting diastolic conduction channels and late potentials during ventricular tachycardia (VT) ablation. State-of-the-art multipolar mapping catheters have enhanced mapping capabilities. The purpose of this study was to investigate whether long-term outcomes were improved with the use of a HD Grid mapping catheter combining complementary mapping strategies in patients with structural heart disease VT.
methodsConsecutive patients underwent VT ablation assigned to either HD Grid, Pentaray, Duodeca, or point-by-point (PbyP) RF mapping catheters. Clinical endpoints included recurrent anti-tachycardia pacing (ATP), appropriate shock, asymptomatic non-sustained VT, or all-cause death.
resultsSeventy-three procedures were performed (33 HD Grid, 22 Pentaray, 12 Duodeca, and 6 PbyP) with no significant difference in baseline characteristics. Substrate mapping was performed in 97% of cases. Activation maps were generated in 82% of HD Grid cases (Pentaray 64%; Duodeca 92%; PbyP 33% (p = 0.025)) with similar trends in entrainment and pace mapping. Elimination of all VTs occurred in 79% of HD Grid cases (Pentaray 55%; Duodeca 83%; PbyP 33% (p = 0.04)). With a mean follow-up of 372 ± 234 days, freedom from recurrent ATP and shock was 97% and 100% respectively in the HD Grid group (Pentaray 64%, 82%; Duodeca 58%, 83%; PbyP 33%, 33% (log rank p = 0.0042, p = 0.0002)).
conclusionsThis study highlights a step-wise improvement in survival free from ICD therapies as the density of mapping capability increases. By using a high-density mapping catheter and combining complementary mapping strategies in a strict procedural workflow, long-term clinical outcomes are improved.
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