AmputationAmputation, TraumaticAmputation StumpsArtificial LimbsConstrictionDiabetic FootLower ExtremityAmputeesLegPhantom LimbConstriction, PathologicLimb SalvageVasoconstrictionGangreneIschemiaDisarticulationFinger InjuriesLeg InjuriesArteriolesToesFoot UlcerExtremitiesPeripheral Vascular DiseasesReplantationVascular Surgical ProceduresAmniotic Band SyndromePodiatryFootDuctus ArteriosusArterial Occlusive DiseasesRegenerationRetrospective StudiesPopliteal ArteryDebridementReoperationFemoral ArteryVasoconstrictor AgentsTime FactorsTreatment OutcomeWound HealingBlast InjuriesAnimal FinsTibial ArteriesForefoot, HumanTibiaReflex, PupillaryArm InjuriesVascular PatencyForelimbBronchoconstrictionKneePeripheral Arterial DiseaseTailLeg UlcerFoot DiseasesPupilBlood Gas Monitoring, TranscutaneousHemipelvectomyArteriesVeinsOsteomyelitisThromboangiitis ObliteransFollow-Up StudiesProsthesis FittingVasodilationSurgical FlapsMuscle TonusMuscle, Smooth, VascularPericarditis, ConstrictiveCardiomegalyFibulaPressureBone NeoplasmsDogsPia MaterSalamandridaeRegional Blood FlowHospitals, VeteransPostoperative ComplicationsHand InjuriesDiabetes ComplicationsBlood PressureReconstructive Surgical ProceduresDiabetic AngiopathiesArteriosclerosis ObliteransOsteosarcomaArmMicrocirculationMetatarsusRats, Sprague-DawleyCerebral ArteriesAngiographyMesenteric ArteriesFoot InjuriesArthropathy, NeurogenicSurgical Wound InfectionVascular ResistanceHyperesthesiaVascular DiseasesVasomotor System