AmputationFootAmputation, TraumaticAmputation StumpsDiabetic FootFoot DiseasesArtificial LimbsFoot UlcerFoot Deformities, AcquiredLower ExtremityFoot InjuriesAmputeesLegPhantom LimbFoot DeformitiesFoot BonesLimb SalvageGangreneFoot Deformities, CongenitalIschemiaToesFoot JointsDisarticulationFinger InjuriesLeg InjuriesPodiatryExtremitiesForefoot, HumanPeripheral Vascular DiseasesVascular Surgical ProceduresHand, Foot and Mouth DiseaseReplantationShoesFoot DermatosesFlatfootDebridementArthropathy, NeurogenicArterial Occlusive DiseasesPopliteal ArteryMetatarsusRegenerationRetrospective StudiesWound HealingTreatment OutcomeClubfootReoperationTibial ArteriesTibiaBlast InjuriesTarsal BonesMetatarsal Bones