Radial ArteryUlnar ArteryFemoral ArterySpasmPercutaneous Coronary InterventionCathetersCardiac CathetersAngioplasty, Balloon, CoronaryCatheterization, PeripheralLeriche SyndromeCardiac CatheterizationCoronary AngiographyRadiography, InterventionalVascular System InjuriesArtificial LimbsVascular Access DevicesPuncturesFeasibility StudiesHemostatic TechniquesTreatment OutcomeIsosorbideLearning CurveEarly Termination of Clinical TrialsTime-to-TreatmentFluoroscopyStentsHemorrhageCoronary StenosisAngioplastyCatheterizationMyocardial InfarctionHospitals, Low-VolumeCoronary Artery DiseaseCoronary OcclusionArterial Occlusive DiseasesEquipment FailureEquipment DesignSubclavian ArteryHemostasis, SurgicalAngiographyBrachial ArteryProspective StudiesPatient SafetyPropensity ScoreUltrasonography, InterventionalRadiation ProtectionCost SavingsRetrospective StudiesCoronary VesselsCoronary Care UnitsIntraoperative ComplicationsGreeceNitroglycerinTime FactorsConstriction, PathologicHandSafetyLength of StayCoronary DiseaseImmunoglobulin Fab FragmentsHospital MortalityRisk FactorsPlatelet Aggregation InhibitorsAnticoagulantsCoronary Artery BypassAcute Coronary SyndromeLogistic ModelsVascular PatencyCerebral AngiographyChinaOutcome Assessment (Health Care)Risk AssessmentElectrocardiographyRegistriesOdds RatioMultivariate Analysis