Brain oxygen drops may predict confusion after emergency surgery in seniors

NCT ID NCT03107260

Completed Knowledge-focused Sponsor: Centre Hospitalier Universitaire, Amiens Source: ClinicalTrials.gov ↗

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.

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

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for CEREBRAL SATURATION are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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.

CEREBRAL SATURATION COGNITIVE IMPAIRMENT EMERGENCIES

Contacts and locations

Locations

CHU Amiens Picardie

Amiens, Picardie, 80054, France

More trials for these conditions

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