RecruitingClinical trialTotal Intravenous Anesthesia (TIVA)/Sevoflurane Initiated Intravenous Anesthesia (SIIVA) in Pediatric PatientsBecause Propofol is the primary "anesthetic agent," and inhalational agents remain in trace quantities at the end of the procedure Sevoflurane initiated intravenous anesthesia (SIIVA) or not present at all Total intravenous anesthesia (TIVA) it is likely that different criteria may be predictive of extubation success in these patients compared to inhalational anesthesia.