Overview The Clinical Research of Intranasal Dexmedetomidine Used in Plastic Surgery of Children Status: Unknown status Trial end date: 2015-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to explore the optimal protocol for dexmedetomidine used in children during perioperative period. Phase: Phase 4 Details Lead Sponsor: Xijing HospitalTreatments: AnestheticsDexmedetomidineFentanylSevoflurane