ReviewCurrent cardiology reports2025
The New Ice Age in Electrophysiology: Ultra-Low-Temperature Cryoablation for Ventricular Tachycardia.
Review in Current cardiology reports, 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
6 authors.
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Abstract
purpose of reviewThis review summarizes the emerging role of ultra-low temperature cryoablation (ULTC) in ventricular tachycardia (VT) ablation. It outlines the limitations of conventional techniques such as radiofrequency (RF) ablation and explores the current clinical data supporting ULTC's deeper lesion formation, safety, and efficacy. RECENT
findingsULTC delivers cryothermal energy at -140 to -150 °C via a specialized catheter in a freeze-thaw-freeze sequence, achieving lesion depths ≥ 10 mm. Clinical studies report > 90% acute success, > 60% VT-free survival, and > 80% freedom from implantable cardioverter defibrillator (ICD) shocks at 6 months, with sustained effectiveness at 1-year follow-up. The approach is effective across both ischemic and non-ischemic cardiomyopathy without the need for adjunctive interventions. Ongoing preclinical work with augmented ULTC systems shows encouraging results. ULTC offers a promising new strategy in VT ablation by creating durable, transmural lesions. Further randomized trials are warranted to confirm its long-term clinical benefits and safety.
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