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Worrying decrease in hospital admissions for myocardial infarction during the COVID-19 pandemic

Pierre Lantelme1, Sandrine Couray Targe2, Pierre Metral3

  • 1University of Lyon, CREATIS UMR5220; INSERM U1044; INSA-15 Lyon, France; Cardiology Department, Hôpital Croix-Rousse and Hôpital Lyon Sud, Hospices Civils de Lyon, Lyon, France.

Archives of Cardiovascular Diseases
|July 9, 2020
PubMed

Insights

The COVID-19 lockdown in France led to a 31% decrease in myocardial infarction admissions. Birth rates remained stable, highlighting a significant impact on emergency cardiac care management.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • The COVID-19 pandemic caused widespread reallocation of medical resources and initiated population lockdowns in France starting March 17, 2020.
  • Understanding the impact of these measures on acute cardiovascular events, specifically myocardial infarctions, is crucial.

Purpose of the Study:

  • To analyze the effect of lockdown measures on weekly hospital admissions for myocardial infarctions (both non-ST-segment elevation and ST-segment elevation) in Lyon.
  • To compare these trends with pre-lockdown periods (2018-2019) and with an unrelated emergency, births, to validate findings.

Main Methods:

  • Utilized the national hospitalisation database (PMSI) to identify patients admitted for myocardial infarction or birth between weeks 2 and 14 of 2020.
  • Compared 2020 admission data with the average data from the identical time windows in 2018 and 2019.

Main Results:

  • Prior to lockdown, 2020 myocardial infarction admissions varied by less than 10% compared to 2018-2019 averages.
  • Following the lockdown implementation, myocardial infarction admissions dropped by 31% compared to the same period in 2018-2019.
  • Birth admissions remained consistent across all analyzed periods, serving as a control for general emergency service utilization.

Conclusions:

  • The study indicates a substantial decrease in myocardial infarction admissions during the COVID-19 lockdown period.
  • This finding serves as a critical alert to healthcare professionals and public health officials regarding the potential consequences of such public health interventions.
  • Further long-term follow-up is needed to ascertain the persistence of this trend.
Abstract

Keywords:
Acute coronary syndromeCOVID-19Infarctus du myocardeMyocardial infarction

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