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Updated: Oct 19, 2025

Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
Published on: November 10, 2023
Multiple Cardiovascular Diseases or Risk Factors Increase the Severity of Coronavirus Disease 2019
Tomoyuki Yamada1,2, Taku Ogawa1,3, Kenta Minami1
1Infection Control Center, Osaka Medical and Pharmaceutical University Hospital.
Insights
Patients with coronavirus disease 2019 (COVID-19) and multiple cardiovascular diseases and risk factors (CVDRFs) face a higher risk of acute respiratory distress syndrome. However, in-hospital death risk did not significantly differ between patients with single or multiple CVDRFs.
Area of Science:
- Cardiology
- Infectious Diseases
- Pulmonology
Background:
- Coronavirus disease 2019 (COVID-19) is a global health concern.
- Cardiovascular diseases and risk factors (CVDRFs) are common comorbidities.
- The impact of multiple CVDRFs on COVID-19 severity requires further investigation.
Purpose of the Study:
- To investigate if COVID-19 disease severity differs between patients with single versus multiple CVDRFs.
- To analyze the association between the number of CVDRFs and adverse COVID-19 outcomes.
Main Methods:
- Retrospective cohort study design.
- Inclusion of COVID-19 patients with single (n=281) or multiple (n=412) CVDRFs.
- Multivariable logistic regression analysis to assess outcomes.
Main Results:
- No significant difference in in-hospital death risk between groups.
- Significantly higher risk of acute respiratory distress syndrome in patients with multiple CVDRFs (OR: 1.75, 95% CI: 1.09-2.81).
Conclusions:
- COVID-19 patients with multiple CVDRFs exhibit an elevated risk of complications, specifically acute respiratory distress syndrome.
- The number of CVDRFs is a critical factor in predicting COVID-19 severity and complications.
Background:
This study aimed to determine whether disease severity varied according to whether coronavirus disease 2019 (COVID-19) patients had multiple or single cardiovascular diseases and risk factors (CVDRFs).
Methods And Results:
COVID-19 patients with single (n=281) or multiple (n=412) CVDRFs were included retrospectively. Multivariable logistic regression showed no significant difference in the risk of in-hospital death between groups, but patients with multiple CVDRFs had a significantly higher risk of acute respiratory distress syndrome (odds ratio: 1.75, 95% confidence interval: 1.09-2.81).
Conclusions:
COVID-19 patients with multiple CVDRFs have a higher risk of complications than those with a single CDVRF.
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