ArticleJournal of cardiovascular development and disease2026
Nationwide Multicentric Analysis Regarding In-Hospital Complications After Catheter Ablation of Cardiac Arrhythmias.
Article in Journal of cardiovascular development and disease, 2026. 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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12 authors.
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Abstract
OBJECTIVE AND
backgroundWith the increasing use of catheter ablation for tachyarrhythmias, continuous evaluation of in-hospital complications is essential. This study aimed at analyzing complications associated with catheter ablation for atrial fibrillation (AF), atrial flutter (AFL), and ventricular tachycardia (VT) using nationwide administrative data.
methodsWe conducted a retrospective multicentric data analysis from large German ablation centers between 2018 and 2023. Patients were identified using ICD and OPS codes for AF, AFL, and VT regarding predefined in-hospital complications: mortality, stroke, pericardial tamponade, pulmonary embolism, and vascular complications requiring intervention.
resultsAmong 19,258 ablation procedures from 11 centers, AF was most common (n = 12,241), followed by AFL (n = 5582) and VT (n = 1435). Major complications occurred in 2.2% (n = 433) of cases. VT ablations had the highest complication rate (9.8%), followed by AF (1.6%) and AFL (1.7%). Pericardial tamponade occurred in 0.9% patients, most commonly in VT ablations (4.0%). Vascular complications requiring intervention were reported in 1.1%, while stroke (0.3%) and pulmonary embolism (0.05%) were rare. In-hospital mortality was highest in VT patients (2.4%), compared to AF (0.08%) and AFL (0.13%). Higher AFL mortality as compared to AF was associated with older age and more comorbidities. Upon exploratory analysis, no statistical association between hospital volume and complication rates could be seen.
conclusionsIn this multicenter analysis, catheter ablation was associated with a low overall complication rate. VT ablations carried the highest risk, highlighting the impact of structural heart disease and comorbidities.
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