Assessment of Cardiac Coherence Associated With Medical Hypnosis on Preoperative Anxiety in Oncological Surgery

"At home the patient will perform the cardiac coherence sessions between 7 days and a maximum of 15 days before the surgery through the application Respirelax: 3 sessions per day, lasting 5 minutes with a breathing frequency of 6 cycles/min for a period of 7 days minimum and maximum 15 days.~An audio tape read in a hypnotic tone can be listened to by the patient during the cardiac coherence program or at another time of the day (see the text of the audio tape)."