Abstract 9496: 30-days Mortality Risk in the Patients Following Atrial Fibrillation Ablation in the Entire Nation of Poland: An 8-Year Analysis from National Health Fund of Poland

Abstract

Introduction: Atrial fibrillation (AF) is the most common sustained arrhythmia. Catheter Ablation (CA) is considered as a first-line therapy for AF. The risk of 30-days all-cause mortality associated with CA for AF may be underestimated in clinical trials and selected-cohort studies due to selection bias. Hypothesis: We evaluated 30-days all-cause mortality associated with CA for AF in the entire country of Poland Methods: The data was collected from the Polish national healthcare service (the National Health Fund of Poland). In the Polish health system covers >99% of CA for AF for the entire country. All consecutive CA in patients >18 years of age, between Jan 2012 and Dec 2019 were included in the study. CA for AF was identified by unique codes assigned to pulmonary vein isolation and CA for AF. The mortality rate was calculated for each age group. Results: During 8-year follow-up period, 31,214 CA of AF were performed in 26,767 patients. 9315 (34.8%) patients were female. 13758 (51.4%) patients had Cryoballoon ablation. Thirty-two deaths (0.1%) within 30-days of the CA were identified. The mortality rate was low and similar in each age group except in the oldest age group (age>80). The oldest age group had significantly higher 30-days mortality than any other age group. (Figure). Conclusions: In the large, consecutive patient population in the entire country of Poland, 30- days mortality following AF ablation for past 8-years remains low. In real-world clinical practice patients over the age of 80 have higher risk of 30-day all-cause mortality than any other age group found over last seven years. Systematic review is needed to further risk-stratify these findings.