Heart surgery brain fog: is a backup of blood to blame?

NCT ID NCT07483151

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

Summary

This study is looking at whether a backup of blood in the veins during heart surgery is linked to memory and thinking problems after the operation. Researchers will follow 110 adults having planned heart surgery and test their thinking skills before and after. The goal is to understand if this blood flow issue plays a role in the brain fog many patients experience.

What this could mean

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

What this could lead to
If this study finds a link, it could point to ways to prevent or reduce memory and thinking problems after heart surgery.
What could go wrong
This is an early observational study, not a treatment trial. It can only show a connection, not prove 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.

Hyperemia Postoperative Cognitive Complications

As listed by the trial registrant

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

Contacts and locations

Locations

  • The Department of Anesthesiology, The Affiliated Hospital of Yangzhou University, Yangzhou University

    RECRUITING

    Yangzhou, Jiangsu, 225012, China