This is a Biomedical Research, prospective, randomized, controlled single-blind mono centric, phase IV comparison trial of the bilateral TAP block versus curare in muscle relaxation of the abdominal wall during laparoscopic digestive surgery.

Inclusion Criteria:

• Patients older than 18 years and under 75 years
• Informed consent signed
• ASA I, II and III
• Patient affiliated to social security

Exclusion Criteria:

• ASA IV

  • BMI> 35 kg / m
  • Personal or family history of malignant hyperthermia
  • History of allergy or hypersensitivity to intravenous anesthetics (remifentanil), local anesthetics or muscle relaxants
  • Contraindications to sevoflurane: a history of malignant hyperthermia, history of liver disease after sevoflurane anesthesia, halogenated agents or hypersensitivity to any of these components.
  • Contraindications to succinylcholine: hyperkalemia, plasma cholinesterase deficiency nickname, para or tetraplegia more than 24 hours, burns over 24
  • Contraindications to cisatracurium: myasthenia
  • Neuromuscular diseases
  • Contraindications to local anesthetics: hypersensitivity to local anesthetics of the amide, intravenous regional anesthesia, porphyria, ventricular atrial conduction disturbances, epilepsy uncontrolled by treatment
  • Pregnancy and lactation
  • severe coagulation disorders
  • Inability to understand and give informed consent
  • Patient under guardianship, curatorship or protected
  • Indication of use of a hypnotic ketamine (BIS change)