Positive-Pressure Respiration, Respiratory Aspiration of Gastric Content
Conditions
Brief summary
This study is designed to evaluate the occurrence of gastric insufflation and the critical volume of the stomach after three different modes of positive pressure ventilation during induction (Manual-controlled, volume-controlled and pressure-controlled ventilation)
Detailed description
Aspiration of gastric contents can be a serious perioperative complication, which can be related to facemask positive pressure ventilation with unprotected airway. Even with low peak airway pressure (\<15 cm H2O) gastric insufflation may occur. Since gastric content and volume assessment is a new point-of-care ultrasound recommended application, the cross-sectional antra area will be measured using ultrasonography before, continuously during facemask ventilation and after intubation.
Interventions
OTHERDiagnostic ultrasonography of gastric volume
Ultrasonic measurement of gastric insufflation during positive pressure ventilation (secondary endpoint) and final gastric volume after positive pressure ventilation (primary endpoint)
Sponsors
University Hospital, Brest
Study design
Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
DIAGNOSTIC
Masking
SINGLE (Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes
Inclusion criteria
* ASA status I and II
Exclusion criteria
* Pregnant woman Obese patient (BMI\>30kgm-2) oropharyngeal or facial anomalies anticipated difficult mask ventilation upper respiratory tract infection history of gastric surgery patient refusal
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Gastric volume before and after positive pressure ventilation | 15 minutes |
Secondary
| Measure | Time frame |
|---|---|
| Ultrasonographic detection of gastric insufflation during ventilation | 15 minutes |
Countries
France
Contacts
Primary ContactPierre LAFERE, MD, PhD
Outcome results
None listed