Lower ExtremityLegUpper ExtremityExtremitiesSciatic NerveAmputationLeg InjuriesPeripheral NervesBones of Lower ExtremityPeripheral Vascular DiseasesOptic NerveNerve FibersLeg BonesNerve BlockIschemiaVascular Surgical ProceduresNerve RegenerationLimb SalvageVeinsPeripheral Arterial DiseaseArmMedian NerveSural NerveNerve EndingsFemoral NerveUlnar NerveFacial NerveNerve CrushTibial NervePeripheral Nerve InjuriesFemoral VeinTreatment OutcomeKneeVascular PatencyIntermittent ClaudicationPopliteal VeinWalkingGaitTibial ArteriesLeg UlcerArterial Occlusive DiseasesFoot BonesSpinal Nerve RootsSpinal NervesNerve Compression SyndromesFoot InjuriesFemoral ArteryVenous ThrombosisArm InjuriesGangreneBiomechanical PhenomenaDiabetic FootAnkleRetrospective StudiesMuscle StrengthToesRadial NervePopliteal ArteryNerve Growth FactorTrigeminal NerveUltrasonography, Doppler, DuplexNerve Growth FactorsAtherectomyAthletic InjuriesFootAnkle Brachial IndexKnee JointAnkle JointBones of Upper ExtremityPhrenic NerveCranial NervesNeural ConductionMuscle, SkeletalIliac VeinRecovery of FunctionThighVascular System InjuriesSaphenous VeinPeripheral Nervous System DiseasesProspective StudiesLower Extremity Deformities, CongenitalSoft Tissue NeoplasmsRange of Motion, ArticularOphthalmic NerveLymphedemaElectromyographyTime FactorsAngiographyVenous InsufficiencyNerve TissueMandibular NerveFollow-Up StudiesPostureSarcomaMobility LimitationHip JointReoperationPhlebographyThrombophlebitisShoes