For each patient included, data recorded will be: demographic and clinical particulars for each patient; information on hemodynamics, sedative, analgesic and inotropic agents, use of neuromuscular blockades and their indication, reason of hypo or hyperthermia (spontaneous or therapeutic), indication and the means used (neuromuscular blockades, external or internal cooling) in case of Targeted Temperature Management; complications related to the ZHF sensor application.