Difficulty of recruiting and changing anesthesia methods

Single-center, randomized study, comparing two methods of oxygenation on 80 patients

This study is a single-center, randomized study, comparing two methods of oxygenation during micro-laryngeal surgery performed under general anesthesia and myorelaxation: high-flow nasal oxygen therapy (HFNO) or Flow Controlled Ventilation (FCV) using a laryngeal tri-tube. The study population will be composed of 80 patients, aged over 18 and under 80.

Inclusion Criteria:

• Patient over the age of 18 and under the age of 80
• Patient to benefit from micro-laryngeal ENT surgery under general anesthesia and myorelaxation with an estimated duration which does not exceed 30 minutes
• Having signed a consent form
• Being affiliated with a Health Insurance plan.

Exclusion Criteria:

• Pregnant or lactating patient
• Patient with a weight <40 kg
• Obese patient (BMI> 30)
• Patient with foreseeable intubation difficulty
• Patient maintained under general anesthesia postoperatively
• Surgery requiring time by surgical laser
• Surgery involving the use of an active electrosurgical electrode in the immediate area of the electrosurgical device or electrode
• Predictable surgery longer than 30 minutes
• Being deprived of liberty or under guardianship.