Overview Cranial Electro Therapy Stimulation in Reducing Perioperative Anxiety Status: Terminated Trial end date: 2012-02-01 Target enrollment: Participant gender: Summary Cranial electro stimulation (CES) provides safe, adequate, side-effect free sedation without excessive drowsiness in preoperative settings. Phase: Phase 4 Details Lead Sponsor: University of OklahomaTreatments: Midazolam