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?:abstract
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Background To investigate the effect of the corona virus disease 2019 (COVID-19) pandemic on the acute treatment of patients with ST-segment elevation (STEMI) and Non-ST-segment elevation acute coronary syndrome (NSTE-ACS) Methods We retrospectively identified patients presenting to the emergency department (ED) with suspected ACS We evaluated the number of percutaneous coronary interventions (PCIs) for STEMI, NSTE-ACS, and elective PCI cases In STEMI patients, we assessed the time from chest pain onset (cpo) to ED presentation, post-infarction left ventricular ejection fraction (LVEF), and time from ED presentation to PCI We directly compared cases from two time intervals: January/February 2020 versus March/April 2020 (defined as 2 months before and after the COVID-19 outbreak) In a secondary analysis, we directly compared cases from March/April 2020 with patients from the same time interval in 2019 Results From January to April 2020, 765 patients presented with acute chest pain to the ED A dramatic reduction of ED presentations after compared to before the COVID-19 outbreak (31% relative reduction) was observed Overall, 398 PCIs were performed, 220/398 PCIs (55 3%) before versus 178/398 PCIs (44 7%) after the outbreak While numbers for NSTE-ACS and elective interventions declined by 21% and 31%, respectively, the number of STEMI cases remained stable Time from cpo to ED presentation, post-infarction LVEF, and median door-to-balloon time remained unchanged Conclusions In contrast to previous reports, our findings do not confirm the dramatic drop in STEMI cases and interventions in northwestern Switzerland as observed in other regions and hospitals around the world
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