Methyl EthersRegional Blood FlowAnesthetics, InhalationBlood Flow VelocityEthersIsofluraneAnesthesia, InhalationCerebrovascular CirculationAnesthetics, IntravenousAnestheticsPropofolHalothaneNitrous OxideHydrocarbons, FluorinatedLaser-Doppler FlowmetryAnesthesia Recovery PeriodAnesthetics, CombinedBlood PressureMonitoring, IntraoperativeHemodynamicsXenonAnesthesia, GeneralAnesthesia, Closed-CircuitFlow CytometryAnesthesiaVascular ResistanceCarbon DioxideDogsHeart RatePulsatile FlowOxygenSodium HydroxideXenon RadioisotopesPartial PressureCalcium CompoundsDose-Response Relationship, DrugElectroencephalographyMicrospheresOxygen ConsumptionVasodilationFluoridesLiver CirculationBrainMicrocirculationPulmonary CirculationSplanchnic CirculationAkathisia, Drug-InducedRenal CirculationEnfluraneTomography, Emission-ComputedTime FactorsBlood Gas AnalysisIntubation, IntratrachealFentanylConsciousness MonitorsRheologyRats, Sprague-DawleyLaryngeal MasksHyperemiaUltrasonography, Doppler, TranscranialVasodilator AgentsOxygen RadioisotopesAnesthetics, GeneralUltrasonography, DopplerConsciousnessVasoconstrictionPulmonary AlveoliGene FlowCerebral ArteriesBlood Circulation TimeDermatologic Surgical ProceduresMethoxyfluraneUltrasonography, Doppler, ColorBlood VolumeRats, WistarPlethysmographyOne-Lung VentilationMiddle Cerebral ArteryCollateral CirculationHeartPsychomotor AgitationPropanolsArteriesAnesthesia, IntravenousPreanesthetic MedicationAmbulatory Surgical ProceduresLaryngismusPiperidinesNitric OxideModels, CardiovascularDrug InteractionsRespirationMidazolamCapillariesBrain IschemiaCoronary CirculationAntipyrineKidney1-PropanolSurgical Procedures, Minor