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Updated: Jul 14, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Post PCI atrial fibrillation
Gulmira Kudaiberdieva1, Bulent Gorenek
1National Center of Cardiology and Therapy, Bishkek, Kyrgyzstan.
Insights
Atrial fibrillation (AF) can occur after percutaneous coronary intervention (PCI) for myocardial infarction (MI) and acute coronary syndromes (ACS). This new onset AF is linked to poorer patient outcomes, highlighting the need for effective arrhythmia management.
Area of Science:
- Cardiology
- Electrophysiology
- Internal Medicine
Background:
- Atrial fibrillation (AF) is a prevalent arrhythmia, frequently co-occurring with coronary artery disease (CAD), including myocardial infarction (MI) and acute coronary syndromes (ACS).
- Percutaneous coronary intervention (PCI) has revolutionized the treatment of acute MI and ACS, improving patient outcomes.
- However, AF can manifest in patients with MI and ACS undergoing PCI, and new-onset AF post-PCI is associated with adverse clinical trajectories.
Purpose of the Study:
- To investigate the occurrence and implications of new-onset atrial fibrillation (AF) in patients with myocardial infarction (MI) and acute coronary syndromes (ACS) undergoing percutaneous coronary intervention (PCI).
- To explore the relationship between reperfusion strategies, atrial electrophysiology, and sinus rhythm restoration in the context of PCI for acute coronary events.
Main Methods:
- Review of observational studies examining patients with MI and ACS undergoing PCI.
- Analysis of data correlating culprit vessel patency, signal-averaged electrocardiography (SAECG) indices, and sinus rhythm restoration.
- Comparison of outcomes between PCI and thrombolysis in the context of AF and acute coronary syndromes.
Main Results:
- New-onset AF following PCI for MI and ACS, although infrequent, is associated with a worse clinical course and prognosis.
- Improved culprit vessel patency achieved through PCI correlates with enhanced atrial electrophysiological properties and a higher rate of sinus rhythm restoration compared to thrombolysis.
- PCI strategies may positively influence atrial electrical activity and rhythm recovery in patients with acute coronary syndromes.
Conclusions:
- New-onset AF after PCI for MI and ACS represents a significant risk factor for adverse outcomes.
- PCI, particularly with improved reperfusion, shows potential benefits for atrial electrophysiology and sinus rhythm maintenance in this patient cohort.
- Effective management of arrhythmias, including AF, is crucial for mitigating complications in patients with CAD undergoing PCI.
Abstract:
Atrial fibrillation (AF) is a major arrhythmia with a high prevalence among population. AF is not uncommon in the setting of coronary artery disease, including myocardial infarction (MI) and acute coronary syndromes (ACS). Percutaneous coronary interventions (PCI) have significantly improved outcomes of patients with acute MI and acute coronary syndromes. Nevertheless, the AF was reported to occur in patients with MI and ACS undergoing PCI. New onset AF after PCI for MI and ACS, though being infrequent, was associated with worse clinical course and prognosis. The predictive value of AF has tendency to change in parallel with improvements of reperfusion strategies and comprehensive treatment. Observational studies suggest better patency of culprit vessels achieved by PCI was accompanied by improvement in signal-averaged electrocardiography indices of atrial electrophysiological properties and higher rate of restoration of sinus rhythm during primary PCI as compared with thrombolysis. The adequate management of arrhythmia is required to reduce the risk of complications.
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