Abstract
Abstract Funding Acknowledgements Type of funding sources: None. OnBehalf PHASE-MX Background/Introduction: Early routine angiography with subsequent Percutaneous Coronary Intervention (PCI) (if needed) after fibrinolysis reduced the rates of reinfarction and recurrent ischemia compared with a ‘watchful waiting’ strategy. A crucial issue is the optimal time delay between successful lysis and PCI, there is a wide variation in delay in trials from a median of 1.3 h to 17h (CAPITAL AMI, GRACIA-1 and STREAM trials). At present a time window of 2-24h after successful lysis is recommended. Purpose To analyze the incidence of major cardiovascular outcomes in patients with ST-segment elevation myocardial infarction (STEMI) according to the timing of PCI after lysis (pharmacoinvasive strategy, less/more than 24h). Methods A retrospective analysis of the PHASE-MX study (ClinicalTrials.gov Identifier: NCT03974581) including patients with STEMI whom underwent pharmacoinvasive strategy during the first 12h since symptom onset. Patients were further stratified according to the time from the use of fibrinolysis to sheat insertion (<24h or >24h) in the completion of pharmacoinvasive strategy. The primary composite endpoint included the occurrence of cardiovascular death, cardiogenic shock, recurrent myocardial infarction or congestive heart failure at 30 days of follow-up. Results A total of 171 patients were included, of whom 34 underwent PCI after fibrinolysis in less than 24 hours and 137 underwent PCI in more than 24 hours (95% CI 24-120h). Mostly were male (86.4%), mean age was 56.4 ±12.1 years. The primary composite endpoint occurred in 2 patients (5.8%) in PCI < 24 hours and 12 patients (8.6%) in PCI >24 hours (p 0.58). PCI in <24h after lysis was not associated with a reduced risk of the primary endpoint (HR 0.66 95%CI: 0.14-2.97). Conclusion In patients with successful fibrinolysis undergoing to PCI the first 24 h was not associated with a reduced risk of cardiovascular death, cardiogenic shock, recurrent MI or congestive heart failure at 30 days comparing with PCI after 24 h. Abstract Figure. Kaplan-Meier in primary endpoint
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