Central Venous PressureVenous PressureBlood PressurePressureHemodynamicsHeart RateCardiac OutputBlood Pressure DeterminationVascular ResistanceArterial PressurePlasma SubstitutesHydrostatic PressureBlood VolumeFluid TherapyIntracranial PressureHypovolemiaPulmonary Wedge PressureLower Body Negative PressureRegional Blood FlowSympathetic Nervous SystemHypertensionPressoreceptorsDogsVascular CapacitanceMonitoring, IntraoperativeTransducers, PressurePortal PressureBaroreflexHydroxyethyl Starch DerivativesHypotensionJugular VeinsMonitoring, PhysiologicIsotonic SolutionsIntraocular PressureVeinsAnesthesiaCerebrospinal Fluid PressureReflexSupine PositionPostureBlood CirculationHead-Down TiltAnesthesia, GeneralTime FactorsSplanchnic CirculationCardiovascular SystemBlood Pressure Monitoring, AmbulatoryHypertension, PortalConstrictionPlethysmographyCapillary ResistanceHeartBlood Flow VelocityForearmRespirationShockOxygenAtmospheric PressureKidneyPulmonary CirculationPulmonary ArteryAir PressureNorepinephrineAntihypertensive AgentsCarbon DioxideHemodilutionBlood Volume DeterminationProspective StudiesBlood Loss, SurgicalCatheterization, Central VenousIntraoperative CareIntra-Abdominal HypertensionStroke VolumePositive-Pressure RespirationHematocritPulmonary EdemaColloidsAtrial Natriuretic FactorVena Cava, InferiorSodium ChlorideShock, SepticFemoral VeinVentricular PressureAnesthesia, EpiduralCardiovascular DeconditioningPortal VeinOrgan Dysfunction ScoresHepatectomyNitroprussideCardiopulmonary BypassCerebrovascular CirculationVasodilator AgentsIntensive CareRespiration, ArtificialWater-Electrolyte BalanceTreatment OutcomeAcid-Base EquilibriumEpinephrineReninCoronary Circulation