- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02920879
Airway Effects of PEEP During Anesthesia Induction.
Study Overview
Status
Intervention / Treatment
Detailed Description
The use of continuous positive pressure (CPAP/PEEP) during pre-oxygenation and mask-ventilation in patients undergoing anesthesia induction is increasing. Continuous positive pressures have several respiratory benefits with well-documented data on both spontaneously breathing patients and intubated patients. However the effects of PEEP on anesthetized patients during mask-ventilation is poorly investigated. In a previous trial the that the investigators conducted, a PEEP-level of 10 cmH2O during mask ventilation after anesthesia induction surprisingly delayed time to alveolar ventilation compared to ZEEP. In order to investigate this phenomenon, four groups of patients will be compared during preoxygenation and mask ventilation after anesthesia induction.
Each group consisting of 30 patients will be pre-oxygenated and mask ventilated with different CPAP/PEEP levels and different driving pressures. Time to open airway is measured as number of respiratory cycles until detection of CO2 on the capnograph.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Per Cajander, MD
- Phone Number: +46707173663
- Email: per.cajander@regionorebrolan.se
Study Contact Backup
- Name: Johanna Savilampi, PhD
- Phone Number: +46706315154
- Email: johanna.savilampi@regionorebrolan.se
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- ≥ 18- ≤ 65 years male or female.
- Elective surgery under general anesthesia
- ASA-classification 1-3
- Signed and dated informed consent
Exclusion Criteria:
- BMI > 30
- Predicted difficult mask-ventilation
- Known hiatus hernia or GERD
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: 0 CPAP/ 0 PEEP, driving pressure 10
Patients will be preoxygenated with a CPAP-level of 0 cmH2O and after anesthesia induction, mask-ventilated with ZEEP and a driving pressure of 10 cmH2O./PEEP-level,
driving pressure
|
Different levels of PEEP and different levels of driving pressures during mask-ventilation at anesthesia induction.
|
Other: 0 CPAP/ 0 PEEP driving pressure 20
Patients will be pre-oxygenated with a CPAP-level of 0 cmH2O and after anesthesia induction, mask-ventilated with ZEEP and a driving pressure of 20 cmH2O./PEEP-level,
driving pressure
|
Different levels of PEEP and different levels of driving pressures during mask-ventilation at anesthesia induction.
|
Other: 10 CPAP / 10 PEEP, driving pressure 10
Patients will be pre-oxygenated with a CPAP-level of 10 cmH2O and after anesthesia induction, mask-ventilated with PEEP 10 cmH2O and a driving pressure of 10 cmH2O./PEEP-level,
driving pressure
|
Different levels of PEEP and different levels of driving pressures during mask-ventilation at anesthesia induction.
|
Other: 10 CPAP/ 0 PEEP, driving pressure 10
Patients will be pre-oxygenated with a CPAP-level of 10 cmH2O and after anesthesia induction, mask-ventilated with ZEEP and a driving pressure of 10 cmH2O./PEEP-level,
driving pressure
|
Different levels of PEEP and different levels of driving pressures during mask-ventilation at anesthesia induction.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time to open airway
Time Frame: 20 minutes
|
Time to open airway depending on ventilatory settings
|
20 minutes
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- PC02
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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