Vidéolaryngoscopy Study of the LPEC in Obese Patients

Evaluation of the Impact of Sellick's Manoeuvre or Para-tracheal Compression of the Cervical Esophagus on Laryngeal Mass Movement and Vocal Cord Visualization in Obese Patients.

1. Check the intubation conditions during laryngoscopy without external mobilization of the larynx, with Sellick manoeuvre or with low paratracheal esophagal compression in obese patient
2. International surveys comparing tracheal intubation difficulty on a scale of 1 to 3 between cricoid pressure, Left Paratracheal Esophageal Compression and neutral position

Check the intubation conditions during laryngoscopy without external mobilization of the larynx, with Sellick manoeuvre or with low paratracheal esophagal compression in obese patient

International surveys comparing tracheal intubation difficulty on a scale of 1 to 3 between cricoid pressure, Left Paratracheal Esophageal Compression and neutral position

Inclusion Criteria:

• Adults patients with BMI > 35 undergoing general anaesthesia

Exclusion Criteria:

• pregnant women
• people with facial
• oropharyngeal abnormalities