Hospitalizations for Cardiovascular Diseases During the Early Stage of the COVID-19 Pandemic in Japan

Tadafumi Sugimoto1,2, Atsushi Mizuno2,3,4,5, Daisuke Yoneoka6

  • 1Department of Cardiology and Nephrology, Mie University Graduate School of Medicine Tsu Japan.

Circulation Reports
|August 29, 2022
PubMed

Insights

The COVID-19 pandemic led to fewer hospitalizations for cardiovascular disease (CVD) treatment in Japan. This decrease in cardiovascular disease hospitalizations occurred even during the pandemic's early stages.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Reductions in hospitalizations for myocardial infarction and heart failure during COVID-19 restrictions were noted.
  • The overall impact on cardiovascular disease (CVD) treatment hospitalizations in early pandemic stages remained unclear.

Purpose of the Study:

  • To analyze changes in the overall number of hospitalizations for cardiovascular disease (CVD) treatment during the early COVID-19 pandemic.
  • To assess the association between COVID-19 spread and CVD hospitalizations in Japan.

Main Methods:

  • Utilized data from 574 hospitals in the Japanese Registry of All Cardiac and Vascular Diseases-Diagnosis Procedure Combination database (April 2015-March 2020).
  • Employed a quasi-Poisson regression model to estimate hospitalization numbers for CVD treatment.
  • Analyzed actual versus estimated hospitalizations for acute and scheduled CVD treatments between January and March 2020.

Main Results:

  • Hospitalizations for acute CVD were 84.3% of estimated values, and scheduled hospitalizations were 88.7%.
  • Specific conditions like acute heart failure (81.1%), scheduled valvular disease (84.6%), and aortic aneurysm (83.8%) showed decreased hospitalizations.
  • Results remained consistent even when analyzing facilities without hospitalization restrictions.

Conclusions:

  • The spread of COVID-19 was associated with a significant decrease in cardiovascular disease hospitalizations in Japan.
  • This reduction in CVD treatment admissions was evident even in the initial phases of the pandemic.

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