COVID-19 linked to dangerous lung clots, new study suggests

NCT ID NCT04696913

Completed Knowledge-focused Sponsor: University of Aberdeen Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether having COVID-19 makes people more likely to develop a pulmonary embolism (a blood clot in the lungs). Researchers reviewed medical records of 347 patients who had a CT scan of their lungs. They compared those who tested positive for COVID-19 with those who tested negative. The goal was to see if COVID-19 increases the risk of these clots, which can cause sudden breathing problems.

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 the link is confirmed, doctors may more quickly suspect and treat pulmonary embolism in COVID-19 patients, potentially saving lives.
What could go wrong: This is a small, retrospective study from a single hospital, so results may not apply to all populations. It only shows an association, not cause and effect.

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.

COVID-19 pulmonary embolism

As listed by the trial registrant

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

COVID19 PULMONARY EMBOLISM

Contacts and locations

Locations

Aberdeen Royal Infirmary

Aberdeen, United Kingdom

More trials for these conditions

Other studies related to the condition(s) this trial covers.