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Competitive Transplants to Evaluate Hematopoietic Stem Cell Fitness

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Cognitive and psychosocial functioning of pediatric hematopoietic stem cell transplant patients: a prospective

M J Kupst1, B Penati, B Debban

  • 1Pediatric Hematology/Oncology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA.

Bone Marrow Transplantation
|October 31, 2002
PubMed

Insights

Pediatric hematopoietic stem cell transplant (HSCT) patients maintained stable cognitive and psychosocial functioning one and two years post-transplant. Pre-transplant functioning was the strongest predictor of long-term outcomes.

Area of Science:

  • Pediatric Hematology/Oncology
  • Neuropsychology
  • Child Psychology

Background:

  • Hematopoietic stem cell transplant (HSCT) is a life-saving procedure for children with various cancers and blood disorders.
  • Previous research suggested potential cognitive declines following HSCT, necessitating further investigation into long-term functional outcomes.
  • Understanding cognitive and psychosocial trajectories is crucial for comprehensive patient care and support.

Purpose of the Study:

  • To prospectively evaluate cognitive and psychosocial functioning in pediatric HSCT patients at three time points: pre-HSCT, 1 year post-HSCT, and 2 years post-HSCT.
  • To test the hypotheses that cognitive functioning remains stable, pre-transplant status predicts later functioning, and psychosocial functioning improves by 2 years post-HSCT.
  • To identify predictors of cognitive and psychosocial outcomes in pediatric HSCT survivors.

Main Methods:

  • Prospective longitudinal study design involving 153 pediatric patients undergoing HSCT.
  • Cognitive functioning assessed using Wechsler IQ tests at pre-HSCT, 1 year, and 2 years post-HSCT.
  • Psychosocial functioning evaluated using standardized assessments at the same time points, with longitudinal analyses including exact tests and repeated measures ANOVA.

Main Results:

  • Cognitive functioning, including IQ scores, demonstrated stability over the 2-year post-HSCT period.
  • Pre-transplant cognitive functioning was the most significant predictor of cognitive outcomes at 1 and 2 years post-HSCT.
  • Psychosocial functioning remained stable with a low prevalence of behavioral and social problems, and pre-transplant status was also predictive.

Conclusions:

  • Pediatric HSCT treatment does not appear to negatively impact cognitive functioning in the medium term.
  • Pre-transplant cognitive and psychosocial status are critical indicators for predicting post-HSCT functioning.
  • Longitudinal monitoring supports the resilience of cognitive and psychosocial well-being in pediatric HSCT survivors.

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