成人消化器手術における術後酸素化に対する陽圧における気管抜管の関心:前向きランダム化研究ExPress (ExPress)

Inclusion Criteria:

• Age> 18 and <80
• Patient going to benefit from general anesthesia with orotracheal intubation for surgery lasting more than 60 minutes at the visceral surgery unit of the Rouen University Hospital.
• Person affiliated to a social security scheme
• Person who has read and understood the newsletter and signed the consent form

Exclusion Criteria:

• Minor patients or age> 80 years
• History of Obstructive Sleep Apnea Syndrome
• Chronic respiratory failure / History of chronic obstructive pulmonary disease
• Surgery < 60 minutes
• Use of methylene blue intraoperatively
• Extubation finally performed in the operating room
• orotracheal intubation difficult to induce general anesthesia
• Suspected inhalation during orotracheal intubation
• Pneumothorax per operative
• Heart failure authenticated by trans thoracic ultrasound <50%
• Neuromuscular pathologies (myasthenia gravis, myopathies)
• Body mass index> 35
• Emergency surgery
• Patient with an ASA IV score (ie according to the definition of the American Society of Anesthesiology)
• Major surgical complications (hemorrhagic shock)
• Major anesthetic complications (anaphylactic shock, bronchospasm)
• Pregnant or parturient or lactating woman or woman of childbearing age without proven contraception
• Person deprived of their liberty by an administrative or judicial decision or person placed under the protection of justice / guardianship or curatorship