Ischemic Attack, TransientBrain IschemiaStrokeRisk FactorsIschemiaCerebrovascular DisordersGerbillinaeMyocardial IschemiaCerebral InfarctionTime FactorsCarotid StenosisReperfusionCarotid Artery DiseasesReperfusion InjuryEndarterectomy, CarotidCerebrovascular CirculationFollow-Up StudiesRecurrenceProspective StudiesBrainEndarterectomyIntracranial ArteriosclerosisSpinal Cord IschemiaIntracranial EmbolismIntracranial Arterial DiseasesCerebral AngiographyNeurologyCarotid Artery, InternalIschemic PreconditioningCarotid ArteriesAspirinIntracranial Embolism and ThrombosisEmbolismAmaurosis FugaxSecondary PreventionAnticoagulantsCohort StudiesPlatelet Aggregation InhibitorsVertebrobasilar InsufficiencyMoyamoya DiseaseRats, WistarTreatment OutcomeTomography, X-Ray ComputedRetrospective StudiesPredictive Value of TestsRisk AssessmentCerebral HemorrhageAtrial FibrillationInfarction, Middle Cerebral ArteryCerebral ArteriesIncidenceRats, Sprague-DawleyRiskMagnetic Resonance AngiographyHippocampusBrain EdemaAge FactorsArterial Occlusive DiseasesDisease Models, AnimalForamen Ovale, PatentDiffusion Magnetic Resonance ImagingWarfarinInfarction, Posterior Cerebral ArteryEmergency Medical ServicesConstrictionUltrasonography, Doppler, TranscranialReflex, BabinskiMigraine DisordersComorbidityNeuronsMagnetic Resonance ImagingAuscultationHypertensionPostoperative ComplicationsAngiographySulfinpyrazoneRetinal VesselsSeverity of Illness IndexAngioplastyIntracranial HemorrhagesMyocardiumStentsPrognosisAcute DiseaseHeartCarotid Artery ThrombosisUltrasonography, Doppler, DuplexRegistriesCerebral RevascularizationIntracranial ThrombosisRetinal DiseasesTiclopidineNeuroprotective AgentsDipyridamoleNeurologic ExaminationPrevalenceVascular DiseasesConstriction, PathologicBrain InfarctionOdds Ratio