MidazolamPremedicationHypnotics and SedativesPreanesthetic MedicationPostoperative ComplicationsPain, PostoperativeTreatment OutcomePostoperative PeriodAnti-Anxiety AgentsConscious SedationFollow-Up StudiesRetrospective StudiesProspective StudiesAdjuvants, AnesthesiaPropofolAnesthetics, IntravenousAnesthesia, DentalDiazepamMeperidineAcepromazineClonidineKetamineFentanylPromethazineAnesthesia Recovery PeriodBenzodiazepinesDouble-Blind MethodLorazepamAnesthesia, IntravenousDexmedetomidineAnesthesia, GeneralDrug HypersensitivityButorphanolAmbulatory Surgical ProceduresAnesthetics, DissociativeGABA ModulatorsAdministration, BuccalThiopentalAnxiety, SeparationAdrenergic alpha-AgonistsAnesthesia, InhalationFlumazenilMethyl EthersAnesthetics, InhalationInfusions, IntravenousAnesthetics, CombinedDiphenhydramineAdministration, RectalDental AnxietyCytochrome P-450 CYP3AMedetomidineAnalgesicsTranquilizing AgentsDrug InteractionsAnesthesiaAdministration, OralNitrous OxideAnesthesia, LocalPost and Core TechniqueAnestheticsHistamine H1 AntagonistsCandyDose-Response Relationship, DrugAnalgesics, OpioidIntubation, IntratrachealInjections, IntramuscularButylscopolammonium BromideInjections, IntravenousTime FactorsNeuroleptanalgesiaPaclitaxelBelladonna AlkaloidsHydroxyzineAntineoplastic Agents, PhytogenicXylazineChloral HydrateAnxietyAtropineHeart RateOperative TimeTriazolamOxazepamElectroencephalographyClemastineRespirationBenperidolOphthalmologic Surgical ProceduresGastroscopyAnesthesia, SpinalAdministration, SublingualSecobarbitalPain MeasurementPainHemodynamicsIsofluraneMonitoring, IntraoperativeIodine CompoundsOpiumSympatholyticsSuccinylcholine