Central Nervous System Vascular MalformationsArteriovenous FistulaDura MaterEmbolization, TherapeuticMyelographyCranial SinusesParaparesisSpinal CordAngiographyArteriovenous MalformationsSpinal Cord DiseasesCavernous SinusCerebral VeinsNeurologic ExaminationVeinsPolyvinylsCranial Fossa, AnteriorArteriovenous Shunt, SurgicalCerebral AngiographyFistulaIntracranial Arteriovenous MalformationsTransverse SinusesMagnetic Resonance AngiographyMagnetic Resonance ImagingSuperior Sagittal SinusMeningeal ArteriesEnbucrilateCarotid Artery, ExternalIntestinal FistulaCranial Fossa, MiddleSinus Thrombosis, IntracranialTinnitusDimethyl SulfoxideCutaneous FistulaOccipital BoneBronchial FistulaAngiography, Digital SubtractionVascular FistulaSkull BaseRectal FistulaJugular VeinsTreatment OutcomeRenal DialysisGastric FistulaGait AtaxiaUrinary FistulaVenous PressureEsophageal FistulaBrachiocephalic VeinsIntracranial HypertensionSpinal Cord InjuriesCerebral HemorrhageBiliary FistulaCranial Nerve DiseasesTomography, X-Ray ComputedNeurosurgical ProceduresAntithrombin III DeficiencyRemission, SpontaneousVascular PatencyArteriesHemostaticsIntracranial HypotensionPancreatic FistulaRectovaginal FistulaVesicovaginal FistulaRespiratory Tract FistulaVaginal FistulaSubarachnoid HemorrhageRetrospective StudiesTracheoesophageal FistulaCarotid-Cavernous Sinus FistulaCatheters, IndwellingWounds, StabFemoral VeinIliac VeinFollow-Up StudiesRadial ArteryUrinary Bladder FistulaUpper ExtremityContrast MediaArterio-Arterial FistulaPolytetrafluoroethyleneGraft Occlusion, VascularSpinal Cord CompressionWounds, GunshotKidney Failure, ChronicVertebral ArteryAxillary Vein