4.6 Article

Cardiac tamponades related to interventional electrophysiology procedures are associated with higher risk of short-term hospitalization for pericarditis but favourable long-term outcome

Journal

EUROPACE
Volume 25, Issue 6, Pages -

Publisher

OXFORD UNIV PRESS
DOI: 10.1093/europace/euad140

Keywords

Cardiac arrhythmia; Catheter ablation; Cardiac tamponade; Swedish registries

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This study investigated the association between iatrogenic cardiac tamponade and mortality as well as serious cardiovascular events in patients undergoing invasive EPs. The results showed that there was no statistically significant association between cardiac tamponade and the composite primary endpoint over a 5-year follow-up period. However, cardiac tamponade was significantly associated with a higher risk of hospitalization for pericarditis.
Aims To investigate the association of iatrogenic cardiac tamponades as a complication of invasive electrophysiology procedures (EPs) and mortality as well as serious cardiovascular events in a nationwide patient cohort during long-term follow-up. Methods From the Swedish Catheter Ablation Registry between 2005 and 2019, a total of 58 770 invasive EPs in 44 497 patients were analysed. From this, all patients with periprocedural cardiac tamponades related to invasive EPs were identified (n = 200; tamponade group) and matched (1:2 ratio) to a control group (n = 400). Over a follow-up of 5 years, the composite primary endpoint-death from any cause, acute myocardial infarction, transitory ischaemic attack (TIA)/stroke, and hospitalization for heart failure-revealed no statistically significant association with cardiac tamponade [hazard ratio (HR) 1.22 (95% CI, 0.79-1.88)]. All single components of the primary endpoint as well as cardiovascular death revealed no statistically significant association with cardiac tamponade. Cardiac tamponade was associated with a significantly higher risk with hospitalization for pericarditis [HR 20.67 (95% CI, 6.32-67.60)]. Conclusion In this nationwide cohort of patients undergoing invasive EPs, iatrogenic cardiac tamponade was associated with an increased risk of hospitalization for pericarditis during the first months after the index procedure. In the long-term, however, cardiac tamponade revealed no significant association with mortality or other serious cardiovascular events.

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