Difficult Airway
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. elective surgery under general anaesthesia with expected difficult airway 2. indication for fibreoptic intubation
Exclusion criteria
Exclusion criteria: 1. pregnant patients 2. placement in an institution by judicial or administrative order exists. 3. participation in another prospective clinical intervention study within the last 30 days and during participation in this study 4. intolerance to lidocaine 5. BMI > 35 kg/m² 6. anatomical changes that make the placement of a Ravussin cannula impossible (e.g. tumour in the area of the cricothryoideum ligament, struma nodosa in the puncture area)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| SpO2 below 92% during fiberoptic intubation (FOI) | — |
Secondary
| Measure | Time frame |
|---|---|
| - Vital signs (SpO2, etCO2, heart rate and blood pressure) during induction. - Ravussin-Cannula (RK), FOI and total procedure (duration in seconds/minutes) - Occurrence of hypoxia (SpO2 < 92%) in the total collective (frequency) - Complications (haemodynamic instability, puncture failure, intubation failure, haemorrhage, emphysema) - Secondary RK in control group in case of critical hypoxia - Patient satisfaction (questionnaire) - Respiratory complications in the recovery room or postoperative ward | — |
Countries
Germany
Contacts
Charité Universitätsmedizin Berlin