Importance of the Ravussin cannula in securing the expected difficult airway
Not Applicable
- Conditions
- Difficult Airway
- Registration Number
- DRKS00030988
- Lead Sponsor
- Charité Universitätsmedizin Berlin
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending
- Sex
- All
- Target Recruitment
- 166
Inclusion Criteria
1. elective surgery under general anaesthesia with expected difficult airway
2. indication for fibreoptic intubation
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)
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method SpO2 below 92% during fiberoptic intubation (FOI)
- Secondary Outcome Measures
Name Time Method - Vital signs (SpO2, etCO2, heart rate and blood pressure) during induction.<br>- Ravussin-Cannula (RK), FOI and total procedure (duration in seconds/minutes)<br>- Occurrence of hypoxia (SpO2 < 92%) in the total collective (frequency)<br>- Complications (haemodynamic instability, puncture failure, intubation failure, haemorrhage, emphysema)<br>- Secondary RK in control group in case of critical hypoxia<br>- Patient satisfaction (questionnaire)<br>- Respiratory complications in the recovery room or postoperative ward