Effects of malnutrition on oxidative burst functions and infection episodes in children with acute lymphoblastic

F B Cakir1, G Aydogan2, C Timur3

  • 1Pediatric Hematology-Oncology Department, Bezmialem Vakif University Hospital, Istanbul, Turkey.

Insights

Malnutrition did not overtly affect neutrophil oxidative burst functions (OBF) in children with acute lymphoblastic leukemia (ALL). OBF improved with treatment in both malnourished and well-nourished ALL patients, suggesting nutritional status may not be a primary factor in OBF changes during leukemia treatment.

Area of Science:

  • Pediatric Oncology
  • Immunology
  • Hematology

Background:

  • Children with acute lymphoblastic leukemia (ALL) often experience malnutrition.
  • Neutrophil oxidative burst function (OBF) is crucial for fighting infections.

Purpose of the Study:

  • To investigate the impact of malnutrition on neutrophil OBF in pediatric ALL patients.
  • To compare OBF between malnourished and well-nourished ALL patients and healthy controls.

Main Methods:

  • Studied neutrophil OBF in 28 ALL patients (13 malnourished) and 30 healthy controls.
  • Measurements were taken before and after chemotherapy (or nutritional improvement for malnourished group).

Main Results:

  • Neutrophil OBF were significantly lower in ALL patients (both malnourished and not) compared to controls before chemotherapy.
  • No significant difference in OBF was observed between malnourished and well-nourished ALL patients.
  • Neutrophil OBF increased to normal levels in both ALL groups by 3 months of chemotherapy.

Conclusions:

  • Malnutrition did not demonstrate an overt effect on neutrophil OBF in pediatric ALL.
  • Further large-scale studies are needed to confirm these findings on OBF in leukemic children with varying nutritional status.
Abstract