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Published on: May 12, 2023
[Infectious complications in the child undergoing hematopoietic stem cell transplantation]
1Hämatologisch/Onkologische Abteilung, Dr. von Haunersches Kinderspital, Ludwig-Maximilians-Universität München. Friedhelm.Schuster@med.uni-muenchen.de
Insights
Hematopoietic stem cell transplantation (HSCT) patients face infection risks influenced by immune system recovery. Understanding infection risks during early, intermediate, and late phases of immune reconstitution is crucial for patient outcomes.
Area of Science:
- Immunology
- Hematology
- Pediatric Oncology
Context:
- Hematopoietic stem cell transplantation (HSCT) is a critical treatment for various pediatric and adult diseases.
- Infectious complications are a significant source of morbidity and mortality post-HSCT.
- Immune system function, crucial for combating infections, is directly impacted by immunosuppressive therapy and immune reconstitution speed.
Purpose:
- To delineate the infection risks across different phases of immune reconstitution following HSCT in pediatric patients.
- To highlight variations in infection risks among children receiving conventional oncologic treatments versus those undergoing autologous or allogeneic HSCT.
- To emphasize the long-term immune deficiency as a risk factor for severe infections post-HSCT.
Summary:
- Infection risk post-HSCT is stratified by immune reconstitution phases: early, intermediate, and late.
- Pediatric HSCT patients exhibit distinct infection profiles based on treatment type (oncologic, autologous, allogeneic).
- Prolonged immune deficiency significantly elevates the risk of severe infections long after HSCT.
Impact:
- Provides critical insights for optimizing infection prophylaxis and management strategies in pediatric HSCT recipients.
- Informs clinical decision-making regarding the timing and intensity of immunosuppressive therapies.
- Enhances understanding of long-term complications, guiding supportive care and follow-up protocols for improved survival rates.
Abstract:
Infectious complications are a major cause of morbidity and mortality in pediatric and adult patients undergoing hematopoietic stem cell transplantation. The incidence and the severity code of infections depend on the function of the host's immune system. This function is strongly correlated to the application of immune suppressive therapy and the speed of immune reconstitution after stem cell transplantation (SCT). The immune reconstitution can be divided into an early, intermediate and a late phase. This article describes the risk of infections during the different phases of immune reconstitution after stem cell transplantation in children. The basic differences between conventional treated oncologic, autologous and allogenic transplanted children will be presented. Beside the risk in the phase of aplasia there should be pointed out that long term immune deficiency is a strong factor for developing a severe infection after SCT.
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