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Impact of coronavirus disease 2019 (COVID-19) outbreak on outcome of myocardial infarction in Hong Kong, China

Tam C-CF, Cheung K-S, Lam S, et al. Impact of coronavirus disease 2019 (COVID-19) outbreak on outcome of myocardial infarction in Hong Kong, China. Catheter Cardiovasc Interv. 2020;1–4. https://doi.org/10. 1002/ccd.28943

Key Points:

  • Impact of COVID – 19 extends beyond the effects of direct infection to include changes in human behavior which may contribute to acute myocardial infarction (AMI) treatment delays.
  • Patients presenting with AMI (STEMI and NSTEMI) from Queen Mary Hospital in Hong Kong were divided into two groups: 11/1/2019-1/24/2020 (Group 1) and 1/25 – 3/31/2020 (Group 2).
  • Group 1 represents “Baseline” and Group 2 represents a period of time post the Hong Kong COVID – 19 response.
  • Overall average Hospital Emergency Visits declined Group 1 – 327/day vs. Group 2 – 231/day.
  • Of 149 patients with AMI during this time, Group 2 patients tended to present later relative to first medical contact to door time.
  • There was a non-significant trend to more deaths for Group 2 with later delays in seeking treatment.
  • For group 2 patients, the composite of in-hospital death, cardiogenic shock, mechanical circulatory support and VT/VF were significantly higher for Group 2.
  • Multiple factors may contribute to these outcomes but clearly a treatment delay seems to play a significant impact on these results.