Abstract summary 

There is limited research on neurocognitive outcome and associated risk factors in long-term, adult survivors of childhood acute lymphoblastic leukemia (ALL), without treatment of cranial radiation therapy. Moreover, the impact of fatigue severity and pain interference on neurocognition has received little attention. In this cross-sectional study, we examined neurocognitive outcome and associated factors in this population.Intellectual abilities, verbal learning/memory, processing speed, attention, and executive functions were compared to normative means/medians with one sample tests or Wilcoxon signed-rank tests. Associations with risk factors, fatigue severity, and pain interference were analyzed with linear regressions.Long-term, adult survivors of childhood ALL ( = 53, 51% females, mean age = 24.4 years, = 4.4, mean = 14.7 years post-diagnosis, = 3.4) demonstrated above average intellectual abilities, but performed below average in attention, inhibition, processing speed, and shifting ( < 0.001). Executive functioning complaints were significantly higher than normative means, and positively associated with fatigue ( < 0.001). There was no interaction between sex and fatigue and no neurocognitive impairments were associated with pain interference, risk group, age at diagnosis, or sex.Long-term, adult survivors of ALL treated without cranial radiation therapy, demonstrate domain-specific performance-based neurocognitive impairments. However, continued research on the neurocognitive outcome in this population as they age will be important in the coming years. Executive functioning complaints were frequently in the clinical range, and often accompanied by fatigue. This suggests a need for cognitive rehabilitation programs.

Authors & Co-authors:  Egset Stubberud Ruud Hjort Eilertsen Sund Hjemdal Weider Reinfjell

Study Outcome 

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