COVID Vaccines Reduce Risk of Heart Failure and Blood Clots After Contracting Virus, Study Says

covid-19 vaccine reduces risk heart failure blood clots study virus

By Jackelyn Cornejo , Parent Herald Mar 20, 05:01 am

Photo: (Photo : DOUGLAS MAGNO/AFP via Getty Images )

The latest research presented in the British Medical Journal indicates that getting the COVID-19 vaccine can lessen the danger of heart failure and blood coagulation after a COVID-19 virus.

Research Reveals Positive Effects of COVID-19 Vaccination

Past study has displayed that a SARS-CoV-2 virus can lead to cardiac and thromboembolic difficulty, with the danger staying high for up to a year post-disease. However, the latest research recommends that receiving vaccinations can essentially lessen these dangers, with heart failure danger lessened by up to 55% and blood clot danger by up to 78% following the virus.

Analyzing a sample of 10.17 million vaccinated individuals and 10.39 million unvaccinated individuals across three European countries, the study discovered that the beneficial health outcomes were most noticeable in the initial 30 days after vaccination but could persist for up to a year. The vaccines included in the study were Moderna, Pfizer, AstraZeneca, and Johnson & Johnson.

Medical experts emphasize that in spite of the politicization and debate encompassing the COVID-19 vaccine, the dangers related with the illness are more serious than any possible vaccine-related difficulties.

Dr. John Brownstein, the chief innovation officer at Boston Children's Hospital, emphasizes that the danger of difficulties such as myocarditis and thromboembolic events is approximately greater with SARS-CoV-2 virus than with vaccination.

The research discovery signifies that COVID-19 vaccination lessens the danger of cardiac and thromboembolic events following a COVID-19 virus. While the effects are most noticeable in the weeks instantly following the virus, they align with the known decline in illness seriously noticed in development cases correlated to unvaccinated disease.

In response to the continuing epidemic, the Centers for Disease Control and Prevention (CDC) suggests that adults aged 65 and older get an updated vaccine.

The latest CDC data recommends that the recent vaccines from the fall are generally 54% efficient at avoiding symptomatic viruses among adults.

The study investigated both the original strain of the virus and the Delta variant. Within a month of receiving the vaccine dose, COVID-19 vaccines reduced the risk of blood clots in veins by 78%, blood clots in arteries by 47%, and heart failure by 55%. Over the six-month period following vaccination, the risk reduction was 47% for vein clots, 28% for artery clots, and 39% for heart failure.

Brownstein emphasized the importance of these findings for future vaccine policies, highlighting COVID-19 vaccines as crucial tools in mitigating long-term health issues post-infection.

Additionally, the U.S. Centers for Disease Control and Prevention now recommends an updated COVID-19 vaccine for adults over 65 to enhance protection against severe hospitalization and death.

COVID Vaccines Function, Impact on Heart and Blood Flow Issues

The study, led by Nuria Mercade Besora, indicates that vaccinated individuals who later contracted COVID-19 were less likely to experience severe symptoms, hospitalization, or death.

Analysis of health data from over 20 million individuals in the UK, Spain, and Estonia showed that vaccinated individuals experienced a substantial reduction in heart failure risk by 55% within the initial infection phase and by at least 50% over the following year.

Similarly, the risk of venous thromboembolism decreased by 78% during the initial infection phase and by at least 50% over the subsequent year. Additionally, arterial blood flow clotting risk decreased by 47% initially and by at least 48% over the following year.

The authors emphasized the importance of continued monitoring, especially regarding the effects of COVID booster shots administered after the study period.