- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03426579
Correlation Between Sedation Depth Monitoring and Reflexes During Intravenous Anesthesia With Dexmedetomidine and Remifentanil in Children Undergoing Direct Laryngoscopy for Surgical Procedures
May 7, 2024 updated by: Joke De Wachter, University Hospital, Antwerp
This study evaluates the correlation between sedation depth monitoring obtained by NeuroSENSE ® NS 701 Monitor and reflexes during intravenous anesthesia in children undergoing direct laryngoscopy for surgical procedures.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
Direct laryngoscopy for invasive procedures in children is performed under general anesthesia with spontaneous or controlled ventilation.Preventing under-or over-sedation and titration of sedation according to patient needs with spontaneous ventilation is a real challenge.
It is common practice that dexmedetomidine and remifentanil are titrated based on the evaluation of respiratory clinical signs (cough, spasm, movement) and immobility of the vocal cords.NeuroSENSE ®NS 701 Monitor( NeuroWave Systems incorporated - Cleveland Heights,OH) is a sedation depth monitor that uses automated electroencephalogram quantification.
It provides information about depth of anesthesia before change of clinical signs.The primary reason for WAVCNS monitoring is to prevent under-or over-sedation, to titrate sedation according to patient needs.
NeuroSENSE ® is validated for monitoring sedation depth in adults but not in children.
The Wavelet-based Anesthetic Value for Central Venous System (WAVCNS) index calculated by this monitor is scaled into the 100-0 range, where 100 denotes a brain state consistent with an awake patient and a 0 denotes a total and prolonged absence of cortical activity.
The recommended WAVCNS index range for general anesthesia is between 40-60 as within this range there is very low probability of a patient being either awake or in deep anesthetic state.
The validated use of a sedation depth monitor in children, who are at risk for medication overdosage or airway spasm by underdosing sedatives, could be a major advantage.
In this trial ten children scheduled for direct laryngoscopy with surgical intervention will be enrolled after obtaining written informed consent of their parents or legal guardian.The NeuroSENSE ®monitor will be installed previous to anesthesia induction.
The attending anesthesiologist is instructed to guide titration of dexmedetomidine/ remifentanil according to clinical signs, which is standard of care.
He is blinded for the NeuroSENSE ® monitor.Induction of anesthesia will be done with sevoflurane an a bolus of dexmedetomidine 4 microgram/kilogram will be administered.
Maintenance of anesthesia will be accomplished with dexmedetomidine infused at 2 microgram/kilogram/hour and adjusted to clinical needs with top up bolus dexmedetomidine of 0.5 microgram/kg/hour.
Remifentanil will be infused at 0.3 mcg/kg/min and adjusted to clinical needs to 0.5 mcg/kg/min.
Before start of surgery, on visualising the vocal cords 1 spray of 10 percent lidocaine is delivered to anesthetize the vocal cords.
all children receive pharyngeal tube for oxygen supplementation.
Spontaneous ventilation will be maintained.
In case of laryngospasm and desaturation, propofol will be used as rescue medication.
After surgery all children will be monitored on Intensive Care or Post Anesthetic Care Unit as standard of care.
Heart rate, non-invasive blood pressure, pulse oxygen saturation, respiratory rate will be recorded at Innovian (Drager Medical Systems, Andover, USA) Induction time, adverse events, incidence of leg movements during anesthesia, cough, postoperative awakening and recovery time will be assessed.Surgery satisfaction will be assessed using score 1 is extremely dissatisfied; 2 is not satisfied but able to manage; 3 is extremely satisfied.
At end of surgery total cumulative dose of dexmedetomidine and remifentanil will be calculated.
Results from NeuroSENSE ® are extracted as raw data from the device.
Study Type
Observational
Enrollment (Estimated)
10
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Vera Saldien, MD
- Phone Number: 0032 38214788
- Email: vera.saldien@uza.be
Study Contact Backup
- Name: Joke De Wachter
- Phone Number: 0032 328213042
- Email: joke.dewachter@uza.be
Study Locations
-
-
Antwerp
-
Edegem, Antwerp, Belgium, 2650
- Recruiting
- University Hospital Antwerp
-
Contact:
- Vera Saldien, MD
- Phone Number: 0032 38214788
- Email: vera.saldien@uza.be
-
Contact:
- Joke De Wachter
- Phone Number: 0032 38213042
- Email: joke.dewachter@uza.be
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
1 month to 8 years (Child)
Accepts Healthy Volunteers
No
Sampling Method
Non-Probability Sample
Study Population
children scheduled for direct laryngoscopy with surgical intervention
Description
Inclusion Criteria:
scheduled for elective direct laryngoscopy with surgical intervention, written informed consent of their parents or legal guardian.
Exclusion Criteria:
refusal of informed consent, known allergy for dexmedetomidine or remifentanil at start of anesthesia pulse oxygen saturation (SaO2) lower than 85%
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Reliability of NeuroSENSE ®in children
Children scheduled for direct laryngoscopy with surgical intervention the reliability of NeuroSENSE ®monitoring will be evaluated
|
Before induction of anesthesia NeuroSENSE ® monitoring will be applied to all subjects.General anesthesia with dexmedetomidine and remifentanil is titrated based on the evaluation of respiratory clinical signs (cough, spasm, movement) and immobility of the vocal cords.
The anesthesiologist performing anesthesia will be blinded for the Wavelet-based Anesthetic Value for Central Venous System (WAVCNS) index assessed by NeuroSENSE ® and will adjust dexmedetomidine according to clinical signs, which is standard of care.
Retrospectively data obtained by NeuroSENSE ® will be compared to evaluate whether they are useful in predicting upcoming unwanted airway reflexes.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
predictability of NeuroSENSE ® in upcoming unwanted airway reflexes
Time Frame: during surgery
|
Define whether the NeuroSENSE ® provides information before upcoming clinical signs about under- or over-sedation defined as cough, laryngospasm, apnea or desaturation
|
during surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of leg movement
Time Frame: During surgery
|
Incidence of any lower limb movement during anesthesia
|
During surgery
|
Total cumulative dose of dexmedetomidine
Time Frame: From induction of anesthesia till extubation with a maximum up to 4 hours after intubation
|
Total dose of dexmedetomidine during anesthesia in microgram
|
From induction of anesthesia till extubation with a maximum up to 4 hours after intubation
|
Total cumulative dose of remifentanil
Time Frame: From induction of anesthesia till extubation with a maximum up to 4 hours after intubation
|
Total dose of remifentanil during anesthesia in microgram
|
From induction of anesthesia till extubation with a maximum up to 4 hours after intubation
|
Postoperative awaking time
Time Frame: Time between end of surgery and opening of the eyes in minutes, up to a maximum of 30 minutes
|
Time between end of surgery and addressability of the patient in minutes
|
Time between end of surgery and opening of the eyes in minutes, up to a maximum of 30 minutes
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Vera Saldien, University Hospital, Antwerp
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 23, 2017
Primary Completion (Estimated)
October 30, 2024
Study Completion (Estimated)
December 31, 2024
Study Registration Dates
First Submitted
October 23, 2017
First Submitted That Met QC Criteria
February 7, 2018
First Posted (Actual)
February 8, 2018
Study Record Updates
Last Update Posted (Actual)
May 8, 2024
Last Update Submitted That Met QC Criteria
May 7, 2024
Last Verified
May 1, 2024
More Information
Terms related to this study
Other Study ID Numbers
- 17/31/360
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
product manufactured in and exported from the U.S.
Yes
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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