- COVID-19 can cause heart failures, and blood clots: Experts
- Experts say that cardiovascular complications can lead to death
- Experts are still learning about the impact of COVID-19
Washington: A new paper from the emergency medicine doctors highlights that the coronavirus can cause cardiovascular complications including heart attacks, heart failures, and blood clots, which in turn can lead to strokes. The new paper from UVA (University of Virginia) Health’s William Brady, MD, and colleagues aims to serve as a guide for emergency-medicine doctors treating patients who may have or are known to have COVID-19. The authors note that much attention has been paid to the pulmonary (breathing) complications of COVID-19, but less has been said about the cardiovascular complications that can lead to death or lasting impairment.
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Mr. Brady, of UVA’s Department of Emergency Medicine, said,
In writing this article, we hope to increase emergency physicians’ knowledge and awareness of this new pathogen and its impact on the cardiovascular system. As we encounter more and more patients with COVID-19-related illness, we are increasing our understanding of its impact on the body in general and the cardiovascular system. The rate of learning in this area is amazingly rapid. Information continues to change weekly, if not daily.
Heart failure is a particular concern in patients with COVID-19. One study, the article authors note, found that almost a quarter of COVID-19 patients – 24 per cent — were suffering acute heart failure when they were first diagnosed with the coronavirus.
(This doesn’t mean that 24 per cent of all COVID-19 patients will suffer heart failure. The authors state that it remains unclear if heart failure was the result of COVID-19 specifically or if the virus was worsening undiagnosed heart failure.)
Of the patients with heart failure, nearly half were not known to have high blood pressure or cardiovascular disease.
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The paper also notes that COVID-19, and other diseases that cause severe inflammation throughout the body, increase the risk that fatty plaque built up in the blood vessels will rupture, leading to heart attacks and stroke.
Influenza and certain other viruses have been associated with increased risk of plaque ruptures within the first week after the disease was diagnosed, the authors state in their review of the available COVID-19 medical literature.
Finally, the authors describe potential drug interactions in COVID-19 patients.
For example, the highly publicized malaria drug hydroxychloroquine can interact with medications designed to regulate heart rhythm, in addition to causing heart damage and worsening cardiomyopathy.
Remdesivir, an antiviral that is the only COVID-19 treatment authorized by the FDA, can cause low blood pressure and abnormal heart rhythm. It’s important for doctors to bear these interactions in mind when treating patients with COVID-19, the authors note. Brady concluded,
As we gain more experience with this new pathogen, we realize that its adverse impact extends beyond the respiratory system. We will continue to learn more about COVID-19 and the most optimal means of managing its many presentations.
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