Acellular DermisTissue TransplantationBrain Tissue TransplantationTracheaKidney TransplantationTracheal NeoplasmsTransplantsGraft RejectionGraft SurvivalImmunosuppressive AgentsHeart TransplantationTransplantation, HomologousTransplantationTissue DonorsLung TransplantationTracheal DiseasesTissue and Organ ProcurementTracheal StenosisBone Marrow TransplantationCyclosporineTacrolimusGuinea PigsTime FactorsTreatment OutcomeLiving DonorsPostoperative ComplicationsWaiting ListsMuscle, SmoothImmunosuppressionRetrospective StudiesHematopoietic Stem Cell TransplantationFetal Tissue TransplantationCytomegalovirus InfectionsMycophenolic AcidHistocompatibility TestingBronchiCadaverTransplantation ImmunologyImmunocompromised HostKidney Failure, ChronicLiver FailureMuscle RelaxationGraft vs Host DiseaseLarynxIntubation, IntratrachealMuscle ContractionBronchoscopyHeart-Lung TransplantationBronchiolitis ObliteransTransplantation, HeterotopicLungTransplantation, AutologousFollow-Up StudiesRespiratory SystemRisk FactorsMucus