TiclopidineIschemic Attack, TransientPlatelet Aggregation InhibitorsStrokeCerebrovascular DisordersHeparin, Low-Molecular-WeightAnticoagulantsHeparin AntagonistsBrain IschemiaHeparin LyaseCarotid StenosisCarotid Artery DiseasesEndarterectomy, CarotidHeparin Cofactor IITime FactorsRisk FactorsRecurrenceCerebral InfarctionFollow-Up StudiesEndarterectomyProspective StudiesAspirinIntracranial ArteriosclerosisCerebral AngiographyIntracranial EmbolismIntracranial Embolism and ThrombosisCarotid Artery, InternalIntracranial Arterial DiseasesNeurologyCarotid ArteriesAntithrombin IIIMoyamoya DiseaseEmbolismAmaurosis FugaxTreatment OutcomeVertebrobasilar InsufficiencySecondary PreventionAntithrombinsFibrinolytic AgentsCerebral HemorrhageTomography, X-Ray ComputedWarfarinAtrial FibrillationCohort StudiesInfarction, Posterior Cerebral ArteryMigraine DisordersCerebral ArteriesPredictive Value of TestsMagnetic Resonance AngiographyRiskCerebrovascular CirculationRetrospective StudiesForamen Ovale, PatentHemorrhageRisk AssessmentEmergency Medical ServicesSulfinpyrazoneDiffusion Magnetic Resonance ImagingThromboembolismPartial Thromboplastin TimeArterial Occlusive DiseasesReflex, BabinskiUltrasonography, Doppler, TranscranialAuscultationIncidenceGlycosaminoglycansIntracranial HemorrhagesCerebral RevascularizationAge FactorsMagnetic Resonance ImagingComplement Membrane Attack ComplexThrombosisPostoperative ComplicationsStentsAcute DiseaseEnoxaparinBrainAngiographyIntracranial ThrombosisAngioplastyComorbidityUltrasonography, Doppler, DuplexCarotid Artery ThrombosisCalciumKineticsWhole Blood Coagulation TimeMolecular Sequence DataNeurologic ExaminationSeverity of Illness IndexDipyridamoleRegistriesMyocardial InfarctionDalteparinProtaminesConstriction, PathologicDermatan SulfateVascular DiseasesPlatelet Factor 4Factor XaHypertension