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Title: Attention and information processing in survivors of childhood acute lymphoblastic leukemia treated with chemotherapy only
Authors: Mennes, Maarten ×
Stiers, Peter
Vandenbussche, Erik
Vercruysse, Gertrui
Uyttebroeck, Anne
De Meyer, Geert
Van Gool, Stefaan #
Issue Date: May-2005
Publisher: Wiley-Liss
Series Title: Pediatric Blood & Cancer vol:44 issue:5 pages:479-486
Abstract: BACKGROUND: Omitting radiotherapy for central nervous system (CNS) prophylaxis has improved the overall quality of life for long-term survivors of childhood acute lymphoblastic leukemia (ALL). However, recent reports suggest minor cognitive impairment in survivors who received chemotherapy only. PROCEDURE: This study focused on attentional functioning and speed of information processing in 23 children previously treated for ALL according to EORTC 58881 and EORTC 58951 protocol. Patients received intrathecal methotrexate combined with high doses intravenous methotrexate as CNS prophylaxis. Cognitive functioning was assessed with the Amsterdam Neuropsychological Tasks, a computerized attention assessment program. Variables of both speed and accuracy of the patients were compared with those obtained from 23 age- and sex-matched control children. RESULTS: Patients were equal to control children concerning baseline speed, sustained attention, response inhibition, and response organization. However, they were significantly slower than controls in three tasks: encoding, memory search letters, and focused attention 4-letters. Interactions with the difficulty of the task were found. There were no differences in number or type of errors between groups on all tasks. CONCLUSIONS: ALL survivors treated with chemotherapy have specific information processing difficulties. They process information slower than control children, especially when more information has to be processed or when attention has to be focused precisely. In spite of being slower, patients are equally accurate compared to control children.
ISSN: 1545-5009
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Section Child - Miscellaneous (-)
Laboratory for Experimental Psychology
Onderzoeksgroep psychodiagnostiek en psychopathologie (-)
Pediatric Hematology & Oncology Section (-)
Laboratory of Pediatric Immunology
Organ Systems (+)
× corresponding author
# (joint) last author

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