Vertebral ArteryVertebral Artery DissectionVertebrobasilar InsufficiencyAneurysm, DissectingDissectionArteriesBasilar ArterySubclavian ArteryCerebral AngiographySubclavian Steal SyndromeCarotid Artery, Internal, DissectionLateral Medullary SyndromeMagnetic Resonance AngiographyCarotid ArteriesIntracranial AneurysmAngiographyCerebral ArteriesCarotid Artery, InternalTomography, X-Ray ComputedCervical VertebraePulmonary ArteryCervical AtlasNeck DissectionAngiography, Digital SubtractionEmbolization, TherapeuticBrain Stem InfarctionsArterial Occlusive DiseasesNeck InjuriesSubarachnoid HemorrhageAxisAortic AneurysmFibromuscular DysplasiaRenal ArteryFemoral ArteryAneurysm, RupturedOccipital BoneStentsTreatment OutcomeMesenteric ArteriesCarotid Artery, CommonMagnetic Resonance ImagingCarotid Artery DiseasesCerebellar DiseasesMammary ArteriesAneurysm, FalseAtlanto-Axial JointIliac ArteryConstriction, PathologicFollow-Up StudiesCoronary Artery BypassVertigoNeckCerebral InfarctionCranial Fossa, PosteriorPosterior Cerebral ArteryCerebral RevascularizationRetrospective StudiesRadial ArteryDoppler EffectCarotid Artery, ExternalAneurysmIntracranial ArteriosclerosisArteriovenous FistulaPercussionUltrasonography, Doppler, ColorAtlanto-Occipital JointCadaverCerebrovascular CirculationAngioplasty, BalloonMastoidAortic Aneurysm, ThoracicUltrasonography, DopplerCerebellumTime FactorsBlood Vessel Prosthesis ImplantationBone ScrewsAortographyUltrasonographySplenic ArteryMesenteric Artery, SuperiorRegional Blood FlowWounds, StabHeadacheBrain IschemiaCerebrovascular DisordersBrachial ArteryBlood Vessel ProsthesisCoronary VesselsInfarctionEndovascular ProceduresUltrasonography, Doppler, DuplexAorta, ThoracicSpinal FusionHepatic ArteryHemifacial SpasmCeliac ArteryUltrasonography, Doppler, TranscranialCarotid StenosisPostoperative ComplicationsRupture, Spontaneous