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  • Title: Neurocognitive functioning in long-term survivors of pediatric hematopoietic cell transplantation.
    Author: Parris KR, Russell KM, Triplett BM, Phipps S.
    Journal: Bone Marrow Transplant; 2021 Apr; 56(4):873-882. PubMed ID: 33190144.
    Abstract:
    Survivors of pediatric hematopoietic cell transplantation (HCT) are at risk for impairment in cognitive and academic function. Most research to date has focused on the first years following transplant, and less is known about the long-term effects. We examined global and specific neurocognitive functioning in long-term (>5 years post HCT) survivors in comparison to both normative data and a sample of demographically similar healthy peers. A comprehensive battery of neurocognitive measures was obtained from 83 long-term survivors and 50 healthy comparisons. Analyses were conducted to assess for differences in neurocognitive functions between survivors, normative means, and healthy comparisons, and to examine the impact of medical and demographic variables on neurocognitive performance. Survivors' performance was within the Average range across most measures, although significantly lower than both test norms and healthy comparisons on several measures. Despite generally intact neurocognitive functioning in the survivor group as a whole, survivors who experienced graft-vs.-host disease demonstrated slower processing speed and weaker verbal learning. Use of total body irradiation was not associated with any performance-based measure of neurocognitive functioning. Although subgroups of patients may be at relatively higher risk of neurocognitive impairment, the long-term neurocognitive impact for most survivors is relatively small.
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