Liver CirrhosisLiver Cirrhosis, BiliaryHepatic EncephalopathyPortal VeinCarcinoma, HepatocellularLiver NeoplasmsHypertension, PortalHypertensionLiverPortal SystemHypertension, PulmonaryLiver Cirrhosis, AlcoholicPortal PressureLiver Cirrhosis, ExperimentalHypertension, RenalBlood PressureAntihypertensive AgentsHypertension, RenovascularLiver CirculationEsophageal and Gastric VaricesHypertension, MalignantAscitesPortasystemic Shunt, SurgicalRisk FactorsSplenic VeinHypertension, Pregnancy-InducedLiver TransplantationLiver DiseasesHepatic VeinsGastrointestinal HemorrhagePortacaval Shunt, SurgicalVenous PressureLiver Function TestsPulmonary ArteryOcular HypertensionHemodynamicsPortographyReninMesenteric VeinsTreatment OutcomeKidneyHepatic ArteryRetrospective StudiesBlood Pressure DeterminationTime FactorsRats, Inbred SHRHepatitis, ChronicHepatitisVascular ResistancePrevalenceIntracranial HypertensionSplanchnic CirculationFollow-Up StudiesProspective StudiesChronic DiseaseLigationRats, Inbred WKYPortasystemic Shunt, Transjugular IntrahepaticCarbon TetrachlorideRats, Sprague-DawleyDesoxycorticosteroneDisease Models, AnimalSeverity of Illness IndexHypertrophy, Right VentricularAngiotensin IISplenorenal Shunt, SurgicalSodium Chloride, DietaryBlood Pressure Monitoring, AmbulatoryMonocrotalinePregnancy Complications, CardiovascularHypersplenismCase-Control Studies