Impact of Cardiac Coherence on Anxiety in Patients Operated on for a Peritoneal Carcinosis

"An initiation session to cardiac coherence will take place D-11 before the operation (during the surgical consultation) in order to obtain a breathing rate of 6 cycles/min via a free application (Respirelax) with listening to an audio tape.~3 cardiac coherence sessions per day of 5 min (before meals) during the 11 days preceding the operation.~\- The program cardiac coherence will be performed during 90 days after the surgery"

Standard care