| Literatürler Hematoloji Uzmanlık Derneği
Literatür Detay Bilgisi
Long-term Neurocognitive Outcomes in Young Adult Survivors of Childhood Acute Lymphoblastic Leukemia.

Yazarlar : Edelstein K, D'Agostino N, Bernstein LJ, Nathan PC, Greenberg ML, Hodgson DC, Millar BA, Laperriere N, Spiegler BJ.

Yayın : J Pediatr Hematol Oncol.

Yayın Yılı : 2011

Pubmed Linki : http://www.ncbi.nlm.nih.gov/pubmed/21646917

Konu : Tıbbi Onkoloji

Literatür İçeriği :

Abstract

Five-year survival rates of childhood acute lymphoblastic leukemia (ALL) exceed 80% due to central nervous system-directed treatment including cranial radiation (CRT) and chemotherapy. However, these treatments are associated with neurocognitive compromise, the extent of which is correlated with higher dose and younger age at treatment. The aims of this study were to explore long-term neurocognitive outcomes in adult survivors of childhood ALL, and to identify measures sensitive to neurotoxicity in long-term survivors. We examined 24 adults who received 18 Gy CRT and chemotherapy for treatment of ALL between ages 2 and 15 years (median, 5.5). Time since diagnosis ranged from 6 to 26 years (median, 16.6). Younger age at diagnosis and longer time since diagnosis were associated with lower scores on a computerized battery that requires speed and accuracy across a number of domains (MicroCog), and other standardized neurocognitive tests. When compared with population norms, MicroCog indices were below average in survivors diagnosed with ALL before age 5, but only the reasoning/calculation index was below average in survivors diagnosed with ALL after age 5. In contrast, intelligence quotient (IQ) scores were average. In addition to confirming earlier studies showing that younger children are more vulnerable to treatment-related neurotoxicity, here we show that deficits exist many years post treatment even with a relatively lower dose of CRT, and that these deficits are especially evident on tasks involving rapid processing of information


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