Venous PressureEsophageal and Gastric VaricesHypertension, PortalPortal VeinGastrointestinal HemorrhageHypertensionHypertension, PulmonaryVaricose UlcerVenous InsufficiencyAxillary VeinFemoral VeinPortal SystemArteriovenous Shunt, SurgicalVaricose VeinsCerebral VeinsLigationSclerotherapyKlippel-Trenaunay-Weber SyndromeArteriovenous FistulaPortasystemic Shunt, SurgicalPortal PressureCentral Nervous System Vascular MalformationsSplenorenal Shunt, SurgicalSubclavian VeinUpper Extremity Deep Vein ThrombosisVeinsCentral Venous PressureCranial SinusesHemostasis, EndoscopicLiver CirrhosisBrachiocephalic VeinsConstriction, PathologicJugular VeinsSclerosing SolutionsPhlebographyEnbucrilateHypertension, RenalSplenic VeinBlood PressureHemodynamicsSaphenous VeinPulmonary EdemaEndoscopyAntihypertensive AgentsHypertension, RenovascularTreatment OutcomePortacaval Shunt, SurgicalEndoscopy, GastrointestinalEsophagoscopyLiver CirculationLypressinRenal DialysisLegHypertension, MalignantChronic DiseaseVascular PatencyPortographyAscitesLiver Cirrhosis, AlcoholicCyanoacrylatesVascular Surgical ProceduresMicrocirculationHepatic EncephalopathyHepatic VeinsEsophagoscopesEndoscopy, Digestive SystemIsosorbide DinitrateMesenteric VeinsRecurrenceRisk FactorsSplenectomyHypertension, Pregnancy-InducedHypersplenismBlood Pressure DeterminationSplenic ArteryFollow-Up StudiesLiver Diseases, ParasiticRetrospective StudiesHematemesisAdrenergic beta-AntagonistsLeukocytesOcular HypertensionPulmonary ArteryTime FactorsBalloon OcclusionSplenic DiseasesProspective StudiesSplanchnic CirculationLiverLiver TransplantationRats, Inbred SHRReninMelenaHemostaticsNadololIntracranial HypertensionOctreotideTissue AdhesivesHemorrhageKidney