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Study of the Link Between the Slope of the Photomotor Reflex and the Depth of Anesthesia: "ILLUMINANS" Study

NCT03867955 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 30

Last updated 2023-08-28

No results posted yet for this study

Summary

Pupillary diameter monitoring is currently used routinely for assessment of the nociception / antinociception balance during surgery.

Pupillary diameter decreases reflexively in response to light flash, called photomotor reflex. The photomotor reflex is described by the latency between the light flash and the beginning of the decay expressed in milliseconds, the slope or decay rate expressed in millimeters per second, and the percentage of variation, corresponding to the ratio between the basal pupil diameter and the minimum diameter reached during the light stimulation.

The AlgiScan™ videopupillometer used includes a device for producing a flash light, designed for this purpose.

It has recently been shown that the slope (or rate) of pupillary diameter decrease during a light flash varies during anesthesia, independently of any nociceptive stimulus.

Conditions

  • Neurosurgical Intervention

Interventions

OTHER

Collection of datas

Collection of datas by videopupillometer results: pupil diameter and variation of the pupillary diameter.

Sponsors & Collaborators

  • Centre Hospitalier Universitaire de Saint Etienne

    lead OTHER

Principal Investigators

  • David CHARIER, MD · CHU SAINT-ETIENNE

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2019-04-01
Primary Completion
2020-03-15
Completion
2020-03-15

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03867955 on ClinicalTrials.gov