• Gilad Margolis, Sevan Letourneau-Shesaf, Shafik Khoury, David Pereg, Natalia Kofman, Gad Keren, and Yacov Shacham.
• Department of Cardiology, Tel-Aviv Sourasky Medical Center affiliated with the Sackler Faculty of Medicine, Tel-Aviv.
• Coron. Artery Dis. 2018 Aug 1; 29 (5): 373-377.

ObjectiveDelay in seeking medical care following symptom onset in patients with acute ST-elevation myocardial infarction (STEMI) is related to increased morbidity and mortality. Actual trends of prehospital delays in patients hospitalized with STEMI have not been well characterized. We evaluated trends in the length of time that had elapsed from symptom onset to hospital presentation among STEMI patients admitted to our hospital.Patients And MethodsWe retrospectively studied 2203 consecutive patients hospitalized for acute STEMI who underwent primary percutaneous coronary intervention (PCI) between January 2008 and December 2016. Information on the delay in time from symptom onset to presentation at hospital was extracted from the patients' medical records.ResultsOver the 9-year study period, the median duration of prehospital delay for patients undergoing primary PCI showed significant variations, being maximal between the years 2013 and 2014 (150 vs. 90 min, respectively, P<0.001). A significant increase was found in the proportion of patients with prehospital delay less than 2 h, being maximal between the years 2011 and 2013 (64 vs. 47%, P=0.001). An opposite trend was found for decrease in patients with prehospital delay more than 6 h, being maximal between 2008 and 2015 (32 vs. 23%, P=0.001). Multivariate logistic regression model showed that older age, diabetes, female sex, and first STEMI were associated independently with prehospital delay more than 2 h.ConclusionPrehospital delay periods for patients undergoing primary PCI showed variations over time. More efforts are needed to educate at-risk populations about seeking early medical assistance.

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