Akathisia in Post Operative Outpatients Surgery

Inclusion Criteria: * Patient over 18 and under 65 year-old * Having a moderate to severe POVN (post operative vomiting and nausea) risk, meaning with at least two risk factors in the simplified Apfel score * Outpatient surgery associated to a general anesthesia * Patient having signed an informed consent- Patient having a social protection Exclusion Criteria: * Contraindication to Droperidol * Contraindication to Ondansetron * Patients usually treated with benzodiazepine or having been treated with benzodiazepine within 2 days prior to anesthesia * Psychiatric and Neurodegenerative diseases * Severe Anxiety * Contraindication to general anesthesia or one of its components * Allergy to propofol * Inability to get informed (patient in an emergency situation, difficulties to understand) * Patient under judicial protection * Patient under tutorship or curatorship * Pregnancy reported by the patient- Breastfeeding * Patient in an exclusion period