AROMA study is a randomised controlled parallel-group single-site study. Patients randomized in the experimental group benefit from the aromatherapy at their arrival in the operating theatre in the recovery room. 2 drops of essential oils are applied on a compress placed next to the head of the patient. This compress is kept until the patient is leaving the operating theatre. Patients randomized in the control group don't benefit from the aromatherapy. The anxiety evolution is measured in both groups with the Amsterdam Preoperative Anxiety and Information Scale (APAIS). The hypothesis is that aromatherapy alleviate peri operative anxiety during an ambulatory elective upper limb surgery under loco-regional anesthesia.
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Amsterdam Preoperative Anxiety and Information Scale (APAIS) score variation
Timeframe: Between time T0 (arrival in the operating room in the recovery room) and time T1 (10 minutes after T0, before loco-regional anesthesia), an average 10 minutes