MidazolamPremedicationHypnotics and SedativesPreanesthetic MedicationAnti-Anxiety AgentsConscious SedationAdjuvants, AnesthesiaPropofolAnesthetics, IntravenousAnesthesia, DentalDiazepamMeperidineAcepromazineClonidineKetamineFentanylPromethazineAnesthesia Recovery PeriodBenzodiazepinesDouble-Blind MethodLorazepamAnesthesia, IntravenousDexmedetomidineDrug HypersensitivityButorphanolAnesthetics, DissociativeGABA ModulatorsAnesthesia, GeneralAdministration, BuccalThiopentalAmbulatory Surgical ProceduresAnxiety, SeparationAdrenergic alpha-AgonistsAnesthesia, InhalationFlumazenilMethyl EthersAnesthetics, InhalationAnesthetics, CombinedInfusions, IntravenousDiphenhydramineAdministration, RectalDental AnxietyCytochrome P-450 CYP3AMedetomidineAnalgesicsTranquilizing AgentsDrug InteractionsAdministration, OralNitrous OxideAnesthesiaAnestheticsHistamine H1 AntagonistsCandyAnesthesia, LocalDose-Response Relationship, DrugAnalgesics, OpioidIntubation, IntratrachealInjections, IntramuscularButylscopolammonium BromideInjections, IntravenousNeuroleptanalgesiaPaclitaxelBelladonna AlkaloidsHydroxyzineAntineoplastic Agents, PhytogenicXylazineChloral HydrateAtropineElectroencephalographyHeart RateAnxietyTriazolamProspective StudiesOxazepamRespirationClemastineBenperidolTime FactorsAnesthesia, SpinalOphthalmologic Surgical ProceduresAdministration, SublingualGastroscopySecobarbitalIsofluranePainHemodynamicsIodine CompoundsOpiumSympatholyticsSuccinylcholinePain MeasurementIsonipecotic AcidsAlfentanilDrug Administration ScheduleMorphineReceptors, GABA-AMonitoring, IntraoperativeDeep SedationChlormethiazoleAlprazolam