Radial ArteryArteriesFemoral ArteryUlnar ArterySpasmPercutaneous Coronary InterventionAngioplasty, Balloon, CoronaryPulmonary ArteryCathetersCoronary AngiographyCardiac CathetersCatheterization, PeripheralCardiac CatheterizationCarotid ArteriesLeriche SyndromeCerebral ArteriesRenal ArterySubclavian ArteryMesenteric ArteriesRadiography, InterventionalVascular System InjuriesTreatment OutcomeCoronary Artery BypassBasilar ArteryBrachial ArteryArtificial LimbsVascular Access DevicesFeasibility StudiesPuncturesStentsCoronary VesselsHemostatic TechniquesIliac ArteryVertebral ArteryMammary ArteriesArterial Occlusive DiseasesIsosorbideCarotid Artery, InternalEarly Termination of Clinical TrialsAngiographyLearning CurveCoronary StenosisCarotid Artery DiseasesMyocardial InfarctionFluoroscopySplenic ArteryTime-to-TreatmentCatheterizationAngioplastyHemorrhageHepatic ArteryCarotid Artery, CommonProspective StudiesTime FactorsCoronary DiseaseCeliac ArteryCoronary OcclusionOphthalmic ArteryRetrospective StudiesMesenteric Artery, SuperiorUltrasonography, InterventionalConstriction, PathologicUmbilical ArteriesMiddle Cerebral ArteryRenal Artery ObstructionEquipment DesignThoracic ArteriesTemporal ArteriesBronchial ArteriesNitroglycerinEquipment FailureHospitals, Low-VolumePopliteal ArteryCoronary Artery DiseaseRisk FactorsUterine ArteryCerebral AngiographyPropensity ScoreVascular PatencyHemostasis, SurgicalCarotid Artery, ExternalPatient SafetyVasodilationIntraoperative ComplicationsRadiation ProtectionCost SavingsCarotid Artery InjuriesMuscle, Smooth, VascularVasoconstrictionFollow-Up StudiesInfarction, Middle Cerebral ArteryAxillary ArteryEndothelium, VascularCoronary Care UnitsGreeceRetinal Artery OcclusionTomography, X-Ray ComputedCarotid Artery ThrombosisLength of StayPlatelet Aggregation Inhibitors