High-grade atrioventricular block in acute myocardial infarction was associated with high in-hospital mortality, especially in anterior AMI or if occurring during hospitalization.
Cohort
Yes
Does high-grade atrioventricular block (HAVB) increase in-hospital mortality and MACCE in patients with acute myocardial infarction (AMI)?
High-grade atrioventricular block complicating acute myocardial infarction remains associated with high in-hospital mortality, particularly in anterior AMI or when developing during the hospital stay.
Background: Contemporary data on the impact of high-grade atrioventricular blocks (HAVB) in acute myocardial infarction (AMI) are scarce. Therefore, we investigated this in the Swiss national AMI registry (AMIS Plus) cohort. Methods: We included all AMI patients enrolled from January 2005 to September 2024 with available ECG information. Primary outcome was in-hospital mortality; secondary outcomes included in-hospital major adverse cardiac or cerebrovascular events (MACCE) defined as cardiogenic shock, stroke, re-infarction or death. Conclusion: HAVB in AMI was associated with high in-hospital mortality, especially in anterior AMI or if occurring during hospitalisation. Permanent pacemaker implantation was more frequent in the setting of NSTEMI and among patients developing HAVB during hospital stay.
Olivito et al. (Fri,) conducted a cohort in Acute myocardial infarction (AMI). High-grade atrioventricular block (HAVB) was evaluated on In-hospital mortality. High-grade atrioventricular block in acute myocardial infarction was associated with high in-hospital mortality, especially in anterior AMI or if occurring during hospitalization.