Overview S-ketamin Premedication in Pediatric EENT Surgery Status: Not yet recruiting Trial end date: 2022-01-01 Target enrollment: Participant gender: Summary We aim to investigate the effects of premedication (intranasal or intravenous administration) of s-ketamin, dexmedetomidine, and combination for premedication in children undergoing ENT surgery. Phase: N/A Details Lead Sponsor: Eye & ENT Hospital of Fudan UniversityTreatments: DexmedetomidineEsketamineKetamine