Monitoring of Patient Physiological Parameters in Real Life Using OXYFLEX® Biosensors Versus Standard Monitoring

Inclusion Criteria: * Adult patient (≥ 18 years old); * Patient taken care of : * in severe traum pathway in the emergency services department * or in the operating room for a general anesthesia procedur or locoregional anesthesia planned for a surgical duration grater than 2 hours * or admitted to intesive care/ general intensive care units. Exclusion Criteria: * Opposition from the patient or their family to participate in the research ; * Pregnant, parturient or breastfeeding woman ; * Patient under judical protection (guardianship, curatorship …) or legal safeguarding ; * Inability to wear the headband and the sensor (in particular : intracranial neurosurgery, othorhinolaryngology or maxillofacial surgery, debilitating trauma to the head or face …) ; * Any other reason that, in the investigator's opinion, could interfere with the evaluation of the study objectives.