Lancet study, Health News, ET HealthWorld

London: The risk of heart attack and stroke is increased three-fold in the first two weeks following COVID-19, according to a study published in The Lancet journal. The study compared the occurrence of acute myocardial infarction or heart attack, and stroke in 86,742 COVID-19 patients with 348,481 control individuals in Sweden from February 1 to September 14, 2020.

“We found a three-fold increased risk of acute myocardial infarction and stroke in the first two weeks following COVID-19,” said Osvaldo Fonseca Rodriguez from Umea University in Sweden, and co-first author of the study.

The risk was same even after the researchers adjusted for known risk factors for acute myocardial infarction and stroke such as comorbidities, age, gender and socio-economic factors.

“The results indicate that acute cardiovascular complications represent an important clinical manifestation of COVID-19,” said Ioannis Katsoularis from Umea University, a co-author of the study.

“Our results also show how important it is to vaccinate against COVID-19, in particular the elderly who are at increased risk of acute cardiovascular events,” Katsoularis said.

The researchers used two statistical methods in the study: the matched cohort study and the self-controlled case series.

The self-controlled case series study is a method that was originally

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