Copenhagen University hospitals; Rigshospitalet, Bispebjerg and Hvidovre
Cancer surgery in general anesthesia, with an expected surgical duration of more than 2 hours, and at least 2 overnight stays in the hospital after surgery
Continuous wireless recording of vital values with patients randomized to either no monitoring, or nurse based monitoring of a mobile phone app with vital signs displayed and alerts for sustained deviations.
Adverse events and serious adverse events. Days alive and out of hospital.
