6533b832fe1ef96bd129a456

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Mental health and health-related quality of life in preschool-aged childhood cancer survivors. Results of the prospective cohort study ikidS-OEVA.

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Objectives Long-term survivors of childhood cancer are at increased risk for sequelae such as poor mental health (MH) or impaired health-related quality of life (HrQoL). We aimed to evaluate early adverse effects on MH and HrQoL in young childhood cancer survivors (YCCS) before school entry. Methods In a nationwide prospective cohort study, children with cancer other than brain tumors diagnosed at preschool age and completed cancer treatments were identified from the German Childhood Cancer Registry. The comparison group was children of the same age without a cancer diagnosis who participated in the prospective population-based health survey ikidS. MH problems and HrQoL were assessed by parental versions of the Strengths and Difficulties Questionnaire (SDQ) and the questionnaire for health-related quality of life in children (KINDL), respectively. Associations between cancer and MH as well as HrQoL were analyzed by multivariable linear regression. Results Of 382 YCCS contacted, 145 were enrolled (mean age 6.6 years) and 124 analyzed. Compared to children without a cancer diagnosis (3683 contacted, 2003 enrolled, 1422 analyzed), YCCS had more MH problems (13% vs. 3%) and slightly worse HrQoL (median 78.7 vs. 80.2 points). In the adjusted analysis, YCCS had higher SDQ scores (2.2 points, 95% confidence interval [CI] 1.3, 3.0) and lower KINDL scores (-2.4 points, 95% CI -3.7, -1.1) compared to children without cancer diagnosis. Conclusion Already at preschool age, YCCS may be at increased risk of MH problems and impaired HrQoL. This could have impacts on subsequent school performance and educational attainment. Follow-up health care for YCCS may include early screening for MH problems and reasons for HrQoL deficits.