Brain oxygen drops may predict confusion after emergency surgery in seniors

NCT ID NCT03107260

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

Summary

This study looked at 181 elderly patients (65 and older) having emergency non-heart, non-lung surgery. Researchers measured brain oxygen levels during surgery and checked for confusion or memory problems (called postoperative cognitive dysfunction) up to 72 hours later. The goal was to see if drops in brain oxygen are linked to these thinking problems. The findings could help doctors monitor and potentially reduce cognitive risks in older surgical 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 a clear link is found, it could help doctors monitor brain oxygen during surgery to reduce the risk of confusion or memory loss afterward.

What could go wrong

This is a completed observational study, not a treatment trial. It only looks for a relationship, so it cannot prove that changing oxygen levels would prevent cognitive issues.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction Emergencies

As listed by the trial registrant

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

Contacts and locations

Locations

  • CHU Amiens Picardie

    Amiens, Picardie, 80054, France