IschemiaLower ExtremityAmputationLimb SalvageEmbolectomyLegThrombectomyExtremitiesPopliteal ArteryNew EnglandAcute DiseaseVascular PatencyFemoral ArteryIliac ArteryVascular Surgical ProceduresTreatment OutcomeGraft Occlusion, VascularReoperationMyocardial IschemiaBrain IschemiaTime FactorsBlood Vessel Prosthesis ImplantationThrombolytic TherapyHindlimbRetrospective StudiesArterial Occlusive DiseasesTibial ArteriesLimb BudsPeripheral Vascular DiseasesArteriosclerosis ObliteransReperfusion InjuryIntermittent ClaudicationPeripheral Arterial DiseaseCritical IllnessAngioplasty, BalloonThromboangiitis ObliteransNeovascularization, PhysiologicGangreneBlood Gas Monitoring, TranscutaneousFoot UlcerIschemic PreconditioningReperfusionAngiographyAnkle Brachial IndexConstriction, PathologicToesAngioplastyEndovascular ProceduresLeg UlcerRegional Blood FlowDiabetic FootMyocardial Reperfusion InjuryCollateral CirculationLaser-Doppler FlowmetryCatheterization, PeripheralUltrasonography, Doppler, DuplexInguinal CanalLimb Deformities, CongenitalVascular GraftingDisease Models, AnimalIschemic Attack, TransientAtherectomyWarm IschemiaMuscle, SkeletalTourniquetsVeinsPhantom LimbFollow-Up StudiesProspective StudiesRisk AssessmentIschemic Preconditioning, MyocardialPolytetrafluoroethyleneRecovery of FunctionArmInjections, IntramuscularRats, Sprague-DawleyDiabetic AngiopathiesWound HealingCold IschemiaRisk FactorsRats, WistarKaplan-Meier EstimateAngiography, Digital SubtractionSeverity of Illness IndexFootSpinal Cord IschemiaGerbillinaeStentsIntermittent Pneumatic Compression DevicesChronic DiseaseMyocardiumChi-Square DistributionArteriesCapillariesAnkleRadiology, InterventionalAngiogenesis Inducing AgentsNeuroprotective AgentsTransplantation, AutologousPostoperative Complications