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Chapter 23  Stem cell transplantation  /  307
















                                Figure 23.7   Widespread


                      erythematous skin rash in acute
                      graft - versus - host disease
                      following bone marrow
                      transplantation.



                                           i.v. catheter-associated infections

                             BACTERIA                                             Late:
                                                                                       S. pneumoniae
                                      Gr+ and Gr- organisms  If GVHD or graft failure  S. aureus
                             FUNGI
                                      Candida, Aspergillus   If GVHD or graft failure

                             VIRUSES
                                                     HSV
                                                                     CMV
                                                                                          12 months
                                                                       Varicella-zoster
                             PROTOZOA
                                                                  Pneumocystis


                                                               Idiopathic pneumonia


                                  -15    0     15     30    45    60     75    90    105   120
                                                         Days post-transplant



                                Figure 23.8   Time sequence for development of different types of infection following allogeneic bone marrow
                      transplantation. CMV, cytomegalovirus; Gr + , Gr – , Gram - positive or  - negative; GVHD, graft - versus - host disease;
                      HSV, herpes simplex virus.

                      infection. Malabsorption and pulmonary abnor-      Infections
                      malities are frequent. Drugs such as ciclosporin,
                      corticosteroids,  mycophenolate  mofetil  or    In the early post - transplant period, bacterial or
                      thalidomide are used although response may be  fungal infections are frequent (Fig.  23.8 ). Th ese
                      poor.                                     may be reduced by barrier nursing, the use of skin
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