GangreneAmputationGas GangreneAmputation, TraumaticAmputation StumpsArtificial LimbsToesLower ExtremityLegDiabetic FootIschemiaPenile DiseasesAmputeesLimb SalvageFoot UlcerDebridementClostridium perfringensScrotumPhantom LimbClostridium septicumPeripheral Vascular DiseasesFasciitisArterial Occlusive DiseasesExtremitiesDisarticulationFootVascular Surgical ProceduresFinger InjuriesTibial ArteriesFingersCalciphylaxisFoot DiseasesLeg InjuriesLeg UlcerGenital Diseases, MaleThromboangiitis ObliteransNomaPopliteal ArteryRetrospective StudiesVascular PatencyTreatment OutcomeFemoral ArterySkin UlcerToe PhalangesReoperationArteriosclerosis ObliteransReplantationWound HealingAngiographyDiabetic AngiopathiesSurgical FlapsBromhexineBlood Gas Monitoring, TranscutaneousHyperbaric OxygenationHeelPodiatryFasciitis, NecrotizingFatal OutcomeDiabetes ComplicationsPostoperative Complications