Impact of COVID-19 on Acute MI and Percutaneous Coronary Intervention Rates and Outcomes in South East Asia and the Middle East

Journal of Asian Pacific Society of Cardiology(2022)

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摘要
Background: Previous studies have reported mixed findings regarding the effects of COVID-19 on percutaneous coronary intervention (PCI) and acute MI (AMI) procedural volumes and case fatalities, as well as on ST-elevation MI (STEMI) door-to-balloon time (DTB). This study characterised the effects of COVID-19 on AMI and PCI volumes and mortality outcomes in countries from Asia and the Middle East, which faced repeated waves of COVID-19. Methods: Pooled data on AMI and PCI case volumes were collected in 4-weekly blocks from Malaysia, Singapore and Abu Dhabi from 2019 (pre-COVID-19) and 2020 (during COVID-19). These were compared against reported COVID-19 case numbers. Case fatality rates, STEMI patient demographics and STEMI DTB times were compared between the pre- and during COVID-19 periods. Results: During the COVID-19 pandemic, there was a comparative reduction in non-STEMI (NSTEMI) cases in Singapore (from 814 to 722; p=0.025) and Malaysia (from 925 to 604; p<0.001), but not in Abu Dhabi (from 144 to 188; p=0.010). PCI volumes fell significantly in Singapore (from 13,089 to 11,449; p=0.020), but not in Malaysia or Abu Dhabi. STEMI volume remained similar before and during COVID-19. There were no significant differences in in-hospital mortality for NSTEMI, STEMI or PCI between the two periods. Conclusion: COVID-19 resulted in a fall in NSTEMI and PCI cases, potentially as a result of patients deferring contact with healthcare institutions. With appropriate protocols and systems, it is possible to provide coronary intervention services in the middle of a pandemic without compromising on mortality or DTB outcomes.
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