Abstract
Electrical storms (ESs) following percutaneous coronary intervention (PCI) in acute myocardial infarction (AMI) patients pose a significant challenge, affecting prognostic outcomes and increasing mortality. This meta-analysis synthesized data from 11 studies involving 9,666 AMI patients to identify risk factors associated with ES following PCI. Our findings revealed an average ES incidence of 7.70%, with identified risk factors including low thrombolysis in myocardial infarction (TIMI) flow grades (0-1), elevated cardiac troponin I levels, persistent hypotension, reperfusion arrhythmias, the right coronary artery being the infarct-related artery, increased diameter of the infarct-related artery, renal dysfunction, elevated creatine kinase-MB, and bradycardia. Notably, the use of β-blockers was found to significantly reduce the risk of ES. The study underscores the importance of early identification and management of these risk factors in AMI patients undergoing PCI to prevent the occurrence of ES, highlighting the protective role of β-blockers. This research provides a foundation for future strategies aimed at reducing the incidence and improving the prognosis of ES in this patient population.
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