Vasoconstrictor AgentsAnesthetics, LocalNorbornanesAnesthesia, LocalAnestheticsVasoconstrictionLidocaineAnesthesia, GeneralAnesthesiaPhenylephrineBupivacaineAngiotensin IIAnesthetics, InhalationNorepinephrineAnesthesia, EpiduralAnesthesia, DentalTetracaineAnesthesia, SpinalVascular ResistanceNerve BlockAnesthesia, ConductionPrilocaineProcaineBenzocaineMepivacaineBlood PressureAnesthesia, InhalationMuscle, Smooth, VascularAnesthetics, IntravenousAnesthetics, GeneralAnesthesia, IntravenousEtidocaineDibucaineAnesthesia, ObstetricalAnesthetics, CombinedIsofluraneAdjuvants, AnesthesiaHalothaneAnesthesia Recovery PeriodCarticainePropofolAmidesMethyl EthersEnfluranePain, PostoperativeAnesthesiologyAnesthetics, DissociativeNitrous OxideAmbulatory Surgical ProceduresDose-Response Relationship, DrugKetamineBrachial PlexusFentanylPain MeasurementThiopentalFelypressinMonitoring, IntraoperativeAnalgesia, EpiduralSciatic NerveAnesthesia, CaudalDouble-Blind MethodEndothelinsHemodynamicsPreanesthetic MedicationPentobarbitalEpinephrineEndothelin-1NordefrinMethoxyfluraneInjectionsRegional Blood FlowTime FactorsSodium ChannelsAnalgesia, ObstetricalRats, Sprague-DawleyInjections, EpiduralConscious SedationMandibular NerveTooth ExtractionSodium Channel BlockersHeart RateXylazineAnalgesics, OpioidDogsEtherEtomidateCesarean SectionSympathetic Nervous SystemAnalgesiaAnesthesia, Closed-CircuitMesenteric ArteriesHypnotics and SedativesBatrachotoxinsAnesthesia Department, HospitalSufentanilProspective StudiesDrug InteractionsSurgical Procedures, MinorFemoral NerveVasodilation