Nerve Compression SyndromesCeliac ArteryIliac VeinMesenteric ArteriesMesenteric Artery, SuperiorSyndromeCeliac PlexusLigamentsConstriction, PathologicDecompression, SurgicalUlnar Nerve Compression SyndromesThoracic Outlet SyndromeArterial Occlusive DiseasesMesenteric Artery, InferiorAbdominal PainPhlebographyArteriesPeripheral Vascular DiseasesData CompressionSpinal Cord CompressionMesenteric Vascular OcclusionSuperior Mesenteric Artery SyndromePulmonary ArteryStockings, CompressionRenal ArteryFemoral ArteryCerebral ArteriesFractures, CompressionVasodilationCarotid ArteriesMuscle, Smooth, VascularVasoconstrictionSplanchnic CirculationBasilar ArteryMesenteric VeinsBiological FactorsVasoconstrictor AgentsVasodilator AgentsIliac ArterySplenic ArteryCompression BandagesEndothelium, VascularTomography, X-Ray ComputedIntermittent Pneumatic Compression DevicesDown SyndromeVertebral ArteryMetabolic Syndrome XTreatment OutcomeNorepinephrineCompressive StrengthCoronary Artery BypassHeart MassageHepatic ArteryTime FactorsRadial ArteryPressureRats, WistarPhenylephrineSubclavian ArteryMyographyMammary ArteriesCarotid Artery, InternalDuodenostomyAcetylcholineRats, Sprague-DawleyBlood PressureAngiographyMuscle ContractionBandagesCoronary VesselsCarotid Artery DiseasesRats, Inbred WKYDose-Response Relationship, DrugMuscle RelaxationAneurysmBrachial ArteryNitric OxideSuperior ColliculiVena Cava, SuperiorRegional Blood FlowCarotid Artery, CommonNephrotic SyndromeEndothelium-Dependent Relaxing FactorsRetrospective StudiesDogsStentsSjogren's SyndromeProspective StudiesRats, Inbred SHRUltrasonography, DopplerFollow-Up StudiesRenal Artery ObstructionMagnetic Resonance ImagingOphthalmic ArterySuperior Vena Cava SyndromePotassium ChlorideDisease Models, AnimalCharybdotoxinRabbits15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid