Flu's hidden danger: new study links infection to heart trouble

NCT ID NCT05084846

Completed Knowledge-focused Sponsor: University Hospital, Gentofte, Copenhagen Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study followed 241 adults hospitalized with the flu to see how the infection impacts the heart. Researchers tracked heart complications like new or worsening heart failure, heart attacks, and cardiac arrest. The goal was to better understand the link between influenza and heart problems, which could help doctors improve care for flu patients.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this research could help doctors better understand and predict heart problems caused by the flu, leading to improved monitoring and care.
What could go wrong: This is an observational study, not a treatment trial. It cannot prove cause and effect, and results may not apply to all flu patients, especially those not hospitalized.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder influenza

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARDIOVASCULAR COMPLICATION INFLUENZA

Contacts and locations

Locations

Cardiovascular Non-Invasive Imaging Research Laboratory, department of Cardiology, Herlev & Gentofte Hospital

Hellerup, 2900, Denmark
Herlev & Gentofte Hospital

Copenhagen, 2900, Denmark

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