Femoral ArteryArteriesCarotid ArteriesPulmonary ArteryIliac ArteryArterial Occlusive DiseasesRenal ArteryMesenteric ArteriesCerebral ArteriesBasilar ArteryCatheterization, PeripheralPopliteal ArteryIschemiaRadial ArteryRegional Blood FlowPeripheral NervesHindlimbBrachial ArteryPeripheral Vascular DiseasesAngiographyPeripheral Arterial DiseaseCoronary Artery BypassVertebral ArteryAneurysm, FalseAngioplasty, BalloonHemostatic TechniquesSubclavian ArteryVascular PatencyLigationConstriction, PathologicMammary ArteriesCarotid Artery, CommonTime FactorsMuscle, Smooth, VascularCarotid Artery DiseasesAlloysCarotid Artery, InternalLegVasodilationVasoconstrictionCoronary VesselsTreatment OutcomeHepatic ArteryStentsAneurysmBlood PressureSplenic ArteryFemoral VeinEndothelium, VascularIntermittent ClaudicationDogsPeripheral Nervous SystemVasodilator AgentsBlood Vessel Prosthesis ImplantationPeripheral Nervous System DiseasesUltrasonography, Doppler, DuplexBlood Vessel ProsthesisCeliac ArteryRabbitsOphthalmic ArteryMesenteric Artery, SuperiorCollateral CirculationInjections, Intra-ArterialDisease Models, AnimalTunica IntimaAngioplastyArteriosclerosisEndarterectomyPuncturesCatheterizationUmbilical ArteriesMiddle Cerebral ArteryPolytetrafluoroethyleneRenal Artery ObstructionAtherectomyThoracic ArteriesTemporal ArteriesAxillary ArteryBronchial ArteriesCoronary AngiographyTomography, X-Ray ComputedFollow-Up StudiesVascular Surgical ProceduresAorta, AbdominalMuscle ContractionVasoconstrictor AgentsRats, Sprague-DawleyUlnar ArteryCardiac CatheterizationMuscle, SkeletalUltrasonography, DopplerNitric OxideProspective StudiesHemodynamicsCarotid Artery InjuriesUterine ArterySaphenous VeinRetrospective StudiesLower ExtremityDose-Response Relationship, Drug