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Investigation of Pupillometry as Guide for Extubation Readiness in Anesthetized Children

Investigation of Pupillometry as Guide for Extubation Readiness in Anesthetized Children

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04947397
Enrollment
20
Registered
2021-07-01
Start date
2022-06-20
Completion date
2023-02-01
Last updated
2025-01-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anesthesia, Laryngospasm on Emergence

Keywords

Pediatric, Anesthesia, Extubation, Pupillometry

Brief summary

Investigation of pupillometry as guide for extubation readiness in anesthetized children.

Detailed description

Can a pupil metric be used to make extubation more safe in anesthetized children?

Interventions

DIAGNOSTIC_TESTPupillometry

Pupillometry prior to extubation

Sponsors

University of California, San Francisco
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
2 Years to 10 Years
Healthy volunteers
Yes

Inclusion criteria

* Children undergoing general anesthesia and endotracheal intubation for surgery. * American Society of Anesthesiologists Physical Status Class I and II patients.

Exclusion criteria

* Central nervous system abnormality. * Ophthalmologic abnormality.

Design outcomes

Primary

MeasureTime frameDescription
Extubation SuccessImmediately after extubationMaintenance of spontaneous ventilation without pathologic airway response such as laryngospasm. Ventilation monitored in a standard manner, using chest wall movement, capnography, reservoir bag movement, condensation of anesthetic mask and auscultation.

Secondary

MeasureTime frameDescription
Anesthetic Vapor Concentration at ExtubationAt the time of extubationPercent of end-tidal sevoflurane at extubation

Other

MeasureTime frameDescription
Breath-holdingPrior to extubationMeasurement tool: Capnogram

Countries

United States

Participant flow

Participants by arm

ArmCount
Group 1
Traditional deep extubation at 1.5 minimum alveolar concentration (MAC)
10
Group 2
Deep extubation guided by pupillometry -- at \< 0.5 MAC of vapor + propofol and fentanyl Pupillometry: Pupillometry prior to extubation
10
Total20

Baseline characteristics

CharacteristicGroup 2TotalGroup 1
Age, Continuous5.5 years
STANDARD_DEVIATION 3.2
5.0 years
STANDARD_DEVIATION 3
4.4 years
STANDARD_DEVIATION 2.9
Race and Ethnicity Not Collected0 Participants
Region of Enrollment
United States
10 participants20 participants10 participants
Sex: Female, Male
Female
0 Participants0 Participants0 Participants
Sex: Female, Male
Male
0 Participants0 Participants0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 100 / 10
other
Total, other adverse events
0 / 100 / 10
serious
Total, serious adverse events
0 / 100 / 10

Outcome results

Primary

Extubation Success

Maintenance of spontaneous ventilation without pathologic airway response such as laryngospasm. Ventilation monitored in a standard manner, using chest wall movement, capnography, reservoir bag movement, condensation of anesthetic mask and auscultation.

Time frame: Immediately after extubation

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Group 1Extubation Success10 Participants
Group 2Extubation Success10 Participants
Secondary

Anesthetic Vapor Concentration at Extubation

Percent of end-tidal sevoflurane at extubation

Time frame: At the time of extubation

ArmMeasureValue (MEAN)Dispersion
Group 1Anesthetic Vapor Concentration at Extubation3.8 Percent of sevofluraneStandard Deviation 0
Group 2Anesthetic Vapor Concentration at Extubation0.8 Percent of sevofluraneStandard Deviation 0.1
Other Pre-specified

Breath-holding

Measurement tool: Capnogram

Time frame: Prior to extubation

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026