Can tilting the bed improve pain detection in surgery?

NCT ID NCT02193412

Completed Knowledge-focused Sponsor: University Hospital, Lille Source: ClinicalTrials.gov ↗

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

Summary

This study looked at whether changing a patient's body position during surgery affects a device called the Analgesia Nociception Index (ANI), which is used to measure pain under anesthesia. Thirty neurosurgery patients were monitored as their bed was tilted head-up or head-down. The goal was to see if these position changes influenced the ANI readings, which could help anesthesiologists better assess pain in the future.

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 successful, this could help doctors better measure pain in patients under anesthesia, leading to more precise pain management during surgery.
What could go wrong: This is a small, early-stage study with only 30 participants. It focuses on a monitoring tool, not a treatment, so direct patient benefits are uncertain.

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 HYPOVOLEMIA are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Hypovolemia Nociceptive Pain

As listed by the trial registrant

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

HYPOVOLEMIA SOMATIC PAIN

Contacts and locations

Locations

University Hospital

Lille, Nord, 59000, France

More trials for these conditions

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