Preoperative Auricular Acupuncture in Elective Cesarean Section.

"Intervention Description :~The auricular acupuncture protocol is based on an anxiolytic triad of three points selected according to the World Health Organization classification. These points are detected and located precisely by a differential detector starting with the right ear, and in the absence of response, the points are searched on the left ear. The detected points are treated by application of adhesive tape with needles of diameter 0.2 mm and length 0.9 mm.~Data collected :~* T0 : anxiety VAS, pain VAS, APAIS, ANI, arterial pressure and cardiac frequency~* T1 : anxiety VAS, pain VAS, APAIS, ANI, arterial pressure, cardiac frequency and side effects~* T2 : anxiety VAS, pain VAS, arterial pressure, cardiac frequency and side effects~* T3 : anxiety VAS, pain VAS, arterial pressure, cardiac frequency and side effects"

"The three points of the protocol are detected and located precisely by a differential detector starting with the right ear, and in the absence of response, the points are searched on the left ear.The detected points are treated by application of adhesive tape without needle.~Data collected :~* T0 : anxiety VAS, pain VAS, APAIS, ANI, arterial pressure and cardiac frequency~* T1 : anxiety VAS, pain VAS, APAIS, ANI, arterial pressure, cardiac frequency and side effects~* T2 : anxiety VAS, pain VAS, arterial pressure, cardiac frequency and side effects~* T3 : anxiety VAS, pain VAS, arterial pressure, cardiac frequency and side effects"

The ear is disinfected by applying Chlorhexidine®.