SynthesisJournal of cardiovascular electrophysiology2025
Effectiveness and Safety of Intramyocardial Needle Ablation for Refractory Ventricular Tachycardia and Premature Ventricular Complexes: A Systematic Review and Meta-Analysis.
Synthesis in Journal of cardiovascular electrophysiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
9 authors.
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Abstract
introductionIntramyocardial needle ablation is a novel technique for treating refractory ventricular tachycardia (VT) and premature ventricular complexes (PVC). However, studies defining the effectiveness and safety of this procedure are limited. This meta-analysis aims to evaluate the safety and effectiveness of needle ablation for VT and PVC refractory to standard ablation.
methodsEmbase, Ovid (includes Medline), and ClinicalTrials.gov were searched from inception to December 31, 2024. Human studies on needle ablation for recurrent VT and PVC were included. Primary outcome was immediate effectiveness (no immediate post-procedural inducible VT or PVC). Secondary outcomes were long-term effectiveness (no clinical VT or PVC at 6 months) and safety (composite measure of peri- and post-procedural complications).
resultsA total of five studies including 180 patients (140 VT; 40 PVC) were analyzed. Mean ages ranged from 54 to 66 years. Among 129 patients with VT, immediate effectiveness was 75% (95% CI, 54-92; I
conclusionIntramyocardial needle ablation is an emerging alternative approach for refractory VT and PVC ablation, showing cautious but promising results and safety profiles. Prospective studies and an international registry could provide valuable insights needed for optimal patient selection and protocol refinement.
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