Limb SalvageAmputationIschemiaSalvage TherapyVascular PatencyLegGastric BypassTibial ArteriesPopliteal ArteryCoronary Artery BypassLower ExtremityTreatment OutcomeArterial Occlusive DiseasesVascular Surgical ProceduresPostoperative ComplicationsSaphenous VeinVeinsFemoral ArteryReoperationGraft Occlusion, VascularRetrospective StudiesFollow-Up StudiesInguinal CanalPolytetrafluoroethyleneTime FactorsPeripheral Vascular DiseasesBlood Vessel ProsthesisCoronary Artery Bypass, Off-PumpLife TablesExtremitiesGangreneVascular GraftingBlood Vessel Prosthesis ImplantationAngioplasty, BalloonLimb BudsAtherectomyReconstructive Surgical ProceduresProspective StudiesObesity, MorbidPostoperative PeriodIntermittent ClaudicationBone NeoplasmsAnastomosis, SurgicalAngiographyArteriosclerosis ObliteransOsteosarcomaCardiopulmonary BypassRisk FactorsFootPeripheral Arterial DiseaseIliac ArterySurgical FlapsStentsCoronary DiseaseRisk AssessmentCerebral RevascularizationConstriction, PathologicRecurrencePostoperative CareKaplan-Meier EstimateAngioplastySurvival RateDiabetic FootUltrasonography, Doppler, DuplexMammary ArteriesCardiac Surgical ProceduresFoot UlcerPreoperative CareBariatric SurgeryLength of StayAxillary ArteryGroinIntraoperative CareFemoral NeoplasmsSurvival AnalysisTransplantation, AutologousCoronary Artery DiseaseAngioplasty, Balloon, CoronarySarcomaCritical IllnessArmChi-Square DistributionThoracic SurgeryProsthesis DesignTissue and Organ HarvestingArteriesDebridementChondrosarcomaIntraoperative ComplicationsFibulaBlood Gas Monitoring, TranscutaneousArteriovenous Shunt, SurgicalAneurysmProportional Hazards ModelsLeg InjuriesMyocardial InfarctionEndovascular ProceduresTreatment FailureLimb Deformities, CongenitalHeart Arrest, Induced