Can a common anesthesia drug shield the brain after heart surgery?

NCT ID NCT07759297

First seen Aug 12, 2026 · Last updated Aug 13, 2026 · Updated 1 time

Summary

This observational study looks at whether giving dexmedetomidine during cardiac surgery is linked to a lower chance of postoperative delirium—a state of confusion that can occur after surgery. Researchers will analyze medical records from over 5,000 adults who had heart surgery with a heart-lung machine, comparing those who received the drug with those who did not. They will also test stored blood samples for a protein linked to inflammation to explore a possible biological connection. The goal is to understand if this drug might help protect the brain after major heart surgery.

What this could mean

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

Active substance
dexmedetomidine
What this could lead to
If dexmedetomidine is linked to a lower risk of postoperative delirium, it could guide anesthesia choices to protect brain health after cardiac surgery.
What could go wrong
This is an observational study, so it can only show associations, not cause and effect. The drug's use was decided by doctors, not randomly assigned, so other factors may influence the results.

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.

Emergence Delirium

As listed by the trial registrant

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

Contacts and locations

Locations

  • Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology

    Wuhan, Hubei, 430030, China

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