PurposeOur study aimed to examine the relationship between intelligence and health-related quality of life (HRQOL) in children (6-13 years old) diagnosed as having a brain tumor.Materials and MethodsWe administered a Korean version of the Wechsler Intelligence Scale for Children-III, the Pediatric Quality of Life Inventory, version 4.0 (PedsQL), the Korean version of the Parenting Stress Index-Short Form, and the Korean Version of the Parenting Sense of Competence (K-PSOC) scale before or after initial radiotherapy (T1) and after treatment termination (T2). In total, 13 patients completed both the T1 and T2 interviews.ResultsScores significantly declined between T1 and T2 on the full-scale intelligence quotients (FIQ), verbal intelligence quotients (VIQ), performance intelligence quotients (PIQ), similarity and coding tests, as well as the K-PSOC, which measures parental anxiety. FIQ scores at T1 were correlated with the self-reported PedsQL total scores (r=0.739) and the parent proxy-report PedsQL scores for school functioning (r=0.706) at T2. Also, the FIQ scores at T2 were correlated with the self-reported PedsQL total scores (r=0.748) and scores for physical health (r=0.728) at T2.ConclusionThe cognitive ability and intelligence level of the patients significantly declined between on and off treatment periods, and higher intelligence functioning at both on and off treatment was correlated with long-term higher HRQOL. Further investigations that monitor intelligence, HRQOL and parenting stress over a longer period, using a greater number of participants, are needed.

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ObjectiveTo compare health-related quality of life (HRQOL), activities of daily living (ADL), and parenting stress between children with brain tumors and those of normal control (NC).MethodsParticipants were 31 brain tumor patients who had received chemotherapy, radiotherapy, or peripheral blood stem cell transplantation after surgical resection and 125 NC subjects. We administered the Pediatric Quality of Life Inventory, version 4.0 (PedsQL), to assess HRQOL; the Korean version of the Parenting Stress Index-Short Form (K-PSI-SF), to assess parenting stress; and examined ADL.ResultsThe mean self-report PedsQL scores for physical health, emotional functioning, social functioning, school functioning, and total scores in the patients were significantly lower than those of the NC group. The mean parent proxy-report PedsQL scores for all scales except emotional functioning in the patient group were significantly lower than those of the NC group. The ADL impairment for the patients was significantly more than that of the NC group. The K-PSI-SF mean scores for stress related to having a difficult child and for stress related to parent-child interaction in the patient group tended to be higher than those of the NC group (p=0.09).ConclusionThe children with brain tumors had lower HRQOL and difficulties in performing ADL. The parents of children with brain tumors tended to experience stress related to having a difficult child and to parent-child interaction. We suggest that long-term monitors for the child's HRQOL and ADL, and parenting stress in children with brain tumors are needed.

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