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COVID-19 and the heart
Roman Roy1, Benedict McDonaugh2, Kevin O'Gallagher1,3
1Cardiovascular Department, King's College Hospital NHS Foundation Trust, London SE5 9RS, UK.
Insights
The COVID-19 pandemic has a significant impact on the cardiovascular system, increasing risks for patients with heart failure and leading to various complications. Further research is needed to understand long-term effects and variant impacts.
Area of Science:
- Cardiology
- Infectious Diseases
- Public Health
Background:
- COVID-19 exhibits a complex, bi-directional relationship with the cardiovascular (CV) system.
- Existing heart failure (HF) significantly elevates mortality risk in COVID-19 patients.
- CV complications are common, including acute coronary syndromes, HF, arrhythmias, and myocarditis.
Purpose of the Study:
- To review the current understanding of COVID-19's impact on the cardiovascular system.
- To identify areas of consensus and controversy regarding CV complications and treatments.
- To highlight emerging research areas and future directions for investigation.
Main Methods:
- Literature review of published research on COVID-19 and cardiovascular health.
- Analysis of reported CV complications and outcomes in COVID-19 patients.
- Synthesis of current evidence on therapeutic interventions and prognostic factors.
Main Results:
- Pre-existing heart failure is a major risk factor for mortality in COVID-19.
- Common CV complications include acute coronary syndromes, HF exacerbation, arrhythmias, and myocarditis.
- Angiotensin system-targeting drugs appear safe and may offer prognostic benefits.
Conclusions:
- COVID-19 poses significant risks to the cardiovascular system, particularly for those with pre-existing HF.
- Vaccination-induced myocarditis remains a controversial topic requiring further investigation.
- Long-term CV effects of COVID-19 and the impact of different variants are critical areas for future research.
Background:
There is evidence for a bi-directional relationship between COVID-19 and the cardiovascular (CV) system.
Source Of Data:
Published literature.
Areas Of Agreement:
Pre-existing heart failure (HF) increases the risk of mortality with COVID-19. CV complications are recognized, including increased rates of acute coronary syndromes, HF, arrhythmia and myocarditis. Drugs targeting the angiotensin system are safe and may provide prognostic benefit.
Areas Of Controversy:
Vaccination as a cause of myocarditis remains a key area of contention.
Growing Points:
As the pandemic progresses, we are gaining more data about the long-term effects of COVID-19 on the CV system: long COVID, and medium-to-long-term increases in CV risk.
Areas Timely For Developing Research:
Large-scale longitudinal studies will shed light on long-term CV outcomes with COVID-19. Furthermore, the differential effects of COVID-19 variants on the CV system must be investigated.
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