Radial ArteryUlnar ArteryLeriche SyndromeFemoral ArteryCardiac CathetersCathetersAngioplasty, Balloon, CoronaryVascular System InjuriesCardiac CatheterizationPercutaneous Coronary InterventionCoronary AngiographyFeasibility StudiesTreatment OutcomeHemorrhageCoronary Artery DiseaseSpasmMyocardial InfarctionProspective StudiesCatheterization, PeripheralRadiography, InterventionalArtificial LimbsVascular Access DevicesPuncturesHemostatic TechniquesIsosorbideLearning CurveEarly Termination of Clinical TrialsTime-to-TreatmentFluoroscopyStentsCoronary StenosisAngioplastyCatheterizationHospitals, Low-VolumeCoronary OcclusionArterial Occlusive DiseasesEquipment FailureEquipment DesignSubclavian ArteryHemostasis, SurgicalAngiographyBrachial Artery