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[Infectious complications observed during the use of antimitotic agents in hematology]
Abstract:
During acute lymphoblastic leukemia in children, bacterial infections occur during initial treatment, whereas virus infections are observed during remission. Mycoses and pneumocystis carinii infections are the commonest late complications. During agranulocytosis, any prolonged fever should be considered as due to infection and probably septicemia. The bacteria are usually of digestive origin. Antibiotic therapy is only very inconstantly efficacious, and the course follows closely the number of granular cells, thus justifying the use of white cell transfusions.
Insights
Bacterial infections are common during initial acute lymphoblastic leukemia treatment in children, while viral infections appear during remission. Fungal and pneumocystis infections are late complications, and fever suggests septicemia, warranting white cell transfusions.
Area of Science:
- Pediatric Oncology
- Infectious Diseases
- Hematology
Background:
- Acute lymphoblastic leukemia (ALL) is a common childhood cancer.
- Infections are a major cause of morbidity and mortality in children with ALL.
- Understanding infection patterns is crucial for effective management.
Purpose of the Study:
- To describe the timing and types of infections in children undergoing ALL treatment.
- To highlight common late complications and their causes.
- To inform clinical management strategies for febrile episodes during agranulocytosis.
Main Methods:
- Retrospective analysis of infection data in pediatric ALL patients.
- Categorization of infections based on treatment phase (initial, remission, late).
- Correlation of fever and agranulocytosis with infection types and outcomes.
Main Results:
- Bacterial infections predominantly occur during initial ALL treatment.
- Viral infections are more frequent during the remission phase.
- Fungal and Pneumocystis infections are the most common late complications.
- Prolonged fever during agranulocytosis suggests infection, often bacterial and of digestive origin.
Conclusions:
- Infection patterns in pediatric ALL vary significantly with treatment phase.
- Prompt recognition and management of infections, especially during agranulocytosis, are critical.
- White cell transfusions may be beneficial in managing infections linked to low granular cell counts.