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2 days ago · A 2022 study of 231,037 people found two doses of COVID-19 vaccines reduced the risk of stroke and heart attack up to four months after a breakthrough infection. A subsequent study of 1.9 million ...
2 days ago · Vaccine-associated myocarditis gained widespread recognition after young men in the US military were reported to have an increased risk of myocarditis after the second dose of mRNA vaccine. 2 Since the initial case series, multiple population-based reports have confirmed that post-vaccine myocarditis risk is greatest in young men between the ...
3 days ago · A recent study revealed that COVID-19 vaccines reduce the likelihood of heart failure (HF) by as much as 55% and blood clot formation by up to 78% after COVID-19 infection. Published in BMJ Heart ...
3 days ago · The incidence of post-vaccine myocarditis and/or pericarditis is low. As of January 2024, over 105 million COVID-19 vaccine doses have been administered in Canada, with 1,231 cases of myocarditis or pericarditis meeting Brighton Collaboration level of certainty 1 to 3 reported to the Public Health Agency of Canada (PHAC) and Health Canada through the Canadian Adverse Events Following ...
5 days ago · Patients with post-COVID-19 vaccination postural orthostatic tachycardia syndrome (POTS) all have preexisting conditions, according to a study published in the January issue of Heart Rhythm.
4 days ago · Adolescents and adults younger than age 21 years who develop myocarditis after messenger RNA (mRNA) COVID-19 vaccination frequently have abnormal findings on cardiac magnetic resonance imaging (cMRI), but most have a mild clinical course with rapid resolution of symptoms, a new study concluded.
5 days ago · A study published in Radiology: Cardiothoracic Imaging reports that researchers found evidence of heart muscle inflammation in a small number of patients with acute myocarditis after COVID-19 vaccination, but not in patients without acute myocarditis.