Splanchnic CirculationLiver CirculationIndocyanine GreenRegional Blood FlowHepatic ArteryPortal SystemPortal VeinHepatic VeinsBlood Flow VelocityOxygenLiverPortacaval Shunt, SurgicalHypertension, PortalElectromagnetic PhenomenaMetabolic Clearance RatePortasystemic Shunt, SurgicalOxygen ConsumptionEnfluraneHemodynamicsCardiac OutputMesenteric VeinsPropranololPortal PressureDogsLiver CirrhosisHalf-LifeBlood PressureLiver DiseasesColoring AgentsInfusions, IntravenousCerebrovascular CirculationReactive Oxygen SpeciesInjections, IntravenousSwineTime FactorsBlood VolumeMicrocirculationVascular ResistanceKineticsTechnetium Tc 99m Aggregated AlbuminLaser-Doppler FlowmetryLiver NeoplasmsHepatectomyFlow Cytometry