Impact of COVID-19 history on the prevalence of coronary slow flow: a comparative study in unstable angina patients

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The study analyzed 190 patients with unstable angina and normal coronary arteries, divided into COVID-19 positive and negative cohorts.
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Coronary slow flow prevalence was significantly higher in the COVID-19 positive group at 18.9% compared to 5.3% in the negative group.
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Individual TIMI frame count measurements for coronary arteries were also higher in the COVID-19 positive cohort, indicating worse microvascular function.
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The findings suggest that previous COVID-19 infection may lead to persistent microvascular dysfunction in patients with unstable angina.
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This research highlights the importance of monitoring cardiovascular health in individuals recovering from COVID-19.

Frontiers In Cardiovascular Medicine

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