Citations 2
Stroke and systemic embolism following atrial fibrillation ablation: the EMBOL-AF Global Registry
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F. , Stiles, Martin K. , García‐Izquierdo, Eusebio, Ares, Gerardo Ruiz , Aguinaga, Luis, Munawar, Dian Andina , Puvrez, Alexis , Gölly, Katharina Ingrid , Rocca, Domenico G. Della , Begić, Edin , d'Avila, Andre, Guimaraes, Henrique, Saad, Eduardo , Dzhinsov, Krasimir R. , TRAYKOV, VASSIL BORISLAVOV , Paredes, Felix Ayala , Glover, Benedict , Macle, Laurent , Khaykin, Yaariv , Pérez-Silva, Armando , Díaz, Juan Carlos , Giraldo-Ramírez, Santiago, Morales, Luis C. 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European Heart Journal | March 31, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available
Abstract Background and Aims Stroke and systemic embolism are recognized but poorly characterized complications of atrial fibrillation (AF) and left atrial flutter (AFL) catheter ablation. Their incidence, outcomes, and procedural associations remain insufficiently defined. Methods Retrospective global registry was initiated by the European Heart Rhythm Association Scientific Committee. A secure database captured data from ablation centres worldwide on general AF and left AFL ablation activity, as well as detailed information on patients with symptomatic embolic events between 2017 and 2024. Results Overall, 204 centres reported 335 743 ablation procedures and 550 embolic events (incidence 0.16%). Centre-level rate ranged from 0% to 3.1%. Most events were cerebral (94%), followed by peripheral (5%), and combined (1%). Coronary air embolism accounted for 62% of all peripheral events. Intraprocedural events occurred in 93 patients (17%), within 72 h in 357 (78%) and beyond 72 h in 100 (22%); 128 cases (23%) were diagnosed after hospital discharge. Nonparoxysmal AF (0.23% vs 0.15%; P < .001), centre experience, and ablation energy source (radiofrequency, 0.16%; cryoballoon, 0.16%; pulsed field ablation, 0.25%; laserballoon, 0.88%; P < .001) were associated with embolic risk. Median NIHSS score after stroke was 4 (interquartile range, 2–9). Three-month follow-up was available for 518 patients with embolism (95%): 181 (35%) had sequelae and 16 (3%) died. Conclusions Symptomatic embolic events are infrequent but associated with significant morbidity and mortality. Most events occur early, though a substantial proportion arise later. Higher event rates were observed with laser and possibly with pulsed field ablation. A greater centre experience was associated with a lower embolism incidence.
Catheter Ablation for Ventricular Tachycardia in Ischemic Cardiomyopathy: A Meta‐Analysis With Reconstructed Time‐to‐Event and Trial Sequential Analysis
Elbenawi, Hossam , Ayman, Youmna , Hashim, Ahmed , Wagdy, Mohamed, Thakurathi, Priyesh , Al‐Shammari, Ali Saad , Mohamed, Kareem A., Kalaiger, Abdul M., Ibrahim, Ahmed M. , Eisa, Mahmoud , Ibrahim, Ramzi , Zaaya, Morad, Almaadawy, Omar , Quelal, Karol , Lee, Justin Z. , Siontis, Konstantinos C. , Munoz, Freddy Del‐Carpio , Deshmukh, Abhishek , Agarwal, Siddharth , Al-Shammari, Ali Saad , Ibrahim, Ramzi , Tan, Min Choon , Quelal, Karol , Asad, Zain Ul Abideen , Siontis, Konstantinos C , Del-Carpio Munoz, Freddy , DeSimone, Christopher V , Deshmukh, Abhishek J , Agarwal, Siddharth , Kalaiger, Abdul Mukhtadir , Agarwal, Siddharth, Wagdy, Mohamed , Hamed, Belal Mohamed , Mohamed, Kareem A., Ibrahim, Ramzi , Asad, Zain Ul Abideen , Arenal, Ángel , DeSimone, Christopher V.
Journal of Cardiovascular Electrophysiology | September 17, 2025 | Volume: 36 | Issue: 11 | Pages: 2934-2949
ABSTRACT Background Ventricular tachycardia (VT) is a major contributor to sudden cardiac death among patients with ischemic heart disease (IHD). While catheter ablation reduces the arrhythmic burden, the impact on long‐term outcomes remains uncertain. We assess the efficacy of catheter ablation in patients with IHD. Methods We performed a meta‐analysis by systematically searching electronic databases from inception to April 2025. Pairwise, reconstructed time‐to‐event data meta‐analyses and Trial Sequential analyses were conducted. Results A total of seven studies (1192 participants) were included. Among patients with IHD with ICD, VT ablation was associated with a significant reduction in ICD shocks (RR = 0.50, 95% CI = [0.34–0.74]), a trend toward reduced VT storm (RR = 0.64, 95% CI = [0.40–1.04], p = 0.07), and lower rates of cardiovascular hospitalization (RR = 0.73, 95% CI = [0.53–1.01], p = 0.06) compared to ICD alone. However, no significant differences were observed when compared to patients receiving ICD plus antiarrhythmic drugs (AADs). VT ablation showed no significant impact on mortality or VT/VF recurrence compared to either ICD alone or ICD with AADs. Reconstructed Kaplan–Meier analysis for all‐cause mortality showed no significant difference between VT ablation and AAD + ICD. Trial Sequential Analysis provided conclusive evidence for VT/VF recurrence, while further data is required for other outcomes. Conclusion Among patients with IHD with ICD, VT ablation reduces ICD shocks, VT storm, and cardiovascular hospitalizations compared to ICD‐only therapy, but offers no significant advantage over ICD combined with AADs. VT ablation does not impact overall mortality or the recurrence of VT/VF. Trial sequential analysis confirmed conclusive evidence for VT/VF recurrence, while additional data is needed for other outcomes.