Vertebral Artery DissectionVertebral ArteryVertebrobasilar InsufficiencyAneurysm, DissectingSubclavian ArteryCerebral AngiographyCarotid Artery, Internal, DissectionLateral Medullary SyndromeMagnetic Resonance AngiographyTomography, X-Ray ComputedIntracranial AneurysmHeadacheDissectionChiropracticNeck PainArteriesSubarachnoid HemorrhageBasilar ArteryCoronary AneurysmMagnetic Resonance ImagingCerebral InfarctionSubclavian Steal SyndromeAngiographyCarotid Artery, InternalFibromuscular DysplasiaNeck InjuriesCarotid ArteriesBrain Stem InfarctionsAngiography, Digital SubtractionPulmonary ArteryEmbolization, TherapeuticCerebral ArteriesRenal ArteryStentsAnticoagulantsFollow-Up StudiesCarotid Artery DiseasesNeck DissectionHorner SyndromeAortic AneurysmCervical VertebraeTreatment OutcomeAneurysm, RupturedArterial Occlusive DiseasesCervical AtlasNeckRupture, SpontaneousMesenteric Artery, SuperiorFemoral ArteryAneurysm, FalseAxisMesenteric ArteriesCarotid Artery, CommonPuerperal DisordersHypoglossal Nerve DiseasesOccipital BoneCoronary Artery BypassMammary ArteriesInfarctionCeliac ArteryCerebellar DiseasesWounds, NonpenetratingIliac ArteryRetrospective StudiesCoronary AngiographyConstriction, PathologicAngioplasty, BalloonHematomaAtlanto-Axial JointCranial Nerve DiseasesAngioplastyCoronary VesselsBrain Ischemia