Vertebral Artery DissectionVertebral ArteryAneurysm, DissectingCarotid Artery, Internal, DissectionLateral Medullary SyndromeVertebrobasilar InsufficiencyCerebral AngiographyMagnetic Resonance AngiographyHeadacheDissectionChiropracticIntracranial AneurysmNeck PainSubarachnoid HemorrhageCoronary AneurysmTomography, X-Ray ComputedMagnetic Resonance ImagingCerebral InfarctionBasilar ArteryArteriesAngiographyFibromuscular DysplasiaCarotid Artery, InternalSubclavian ArteryNeck DissectionAnticoagulantsHorner SyndromeAortic AneurysmNeck InjuriesFollow-Up StudiesSubclavian Steal SyndromeBrain Stem InfarctionsStentsAngiography, Digital SubtractionTreatment OutcomeRupture, SpontaneousCarotid Artery DiseasesRenal ArteryCarotid ArteriesMesenteric Artery, SuperiorNeckEmbolization, TherapeuticPuerperal DisordersPulmonary ArteryHypoglossal Nerve DiseasesCerebral ArteriesAneurysm, RupturedHematomaRetrospective StudiesAneurysm, FalseInfarctionCranial Nerve DiseasesCervical VertebraeCeliac ArteryAortic Aneurysm, ThoracicArterial Occlusive DiseasesWounds, NonpenetratingCoronary Angiography