Covid-19: myopericarditis after vaccination is rare, according to a study

A new study has shown that cases of myocarditis or myopericarditis in people who have received the Covid-19 vaccine are extremely rare. Research sought to understand this risk after some patients in the United States reported the case after receiving vaccines from the pfizer or Modern.

Myocarditis is inflammation of the heart muscle, while myopericarditis occurs when the problem spreads to the tissues surrounding the heart. heart. The main symptoms of paintings are palpitations, shortness of breath and chest pain.


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Usually these cases occur after cases of infections, but they can occur after the vaccination, in very rare cases. Diagnoses reported in the United States have primarily been seen in adolescents and young adults.

A study published by The Lancet Respiratory Medicine revealed that the risk of myopericarditis after vaccination against Covid-19 is extremely low, with 18 people diagnosed for every million doses applied.

The researchers analyzed more than 400 million doses applied and concluded that the risks of heart problems caused by vaccination against SARS-CoV-2 are comparable to or less than that exhibited by vaccines against other diseases.

“Our research suggests that the overall risk of myopericarditis does not appear to be different for this group of newly approved Covid-19 vaccines compared to vaccines against other vaccines. diseases. The risk of such rare events must be weighed against the risk of myopericarditis due to infection, and these findings should bolster public confidence in the safety of Covid-19 vaccines.

Heart.  Image: Shutterstock
Covid-19: myopericarditis after vaccination is rare, research shows. Image: Shutterstock

The study indicates that there are certain risk factors for cases of myopericarditis, including being under 30, being male and receiving a vaccine. messenger RNAtechnology used in Moderna and Pfizer vaccines.

“The occurrence of myopericarditis after non-CoV-19 vaccination may suggest that myopericarditis is a side effect of inflammatory processes induced by any vaccination and is not unique to SARS-CoV-2 Spike proteins in vaccines or to Covid-19 infection,” said infectious disease specialist Jyoti Sonami.

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