Trajectories of quality of life 10 years following a diagnosis of epilepsy in childhood
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AbstractObjectiveThis study estimated trajectories of health‐related quality of life (HRQOL) over a 10‐year period among children newly diagnosed with epilepsy. We also modeled the characteristics of children, parents, and families associated with each identified trajectory.MethodsData came from the HERQULES (Health‐Related Quality of Life in Children With Epilepsy Study), a Canada‐wide prospective cohort study of children (aged 4‐12 years) with newly diagnosed epilepsy. Parents reported on their children's HRQOL at diagnosis, and at 0.5‐, 1‐, 2‐, 8‐, and 10‐year follow‐ups using the Quality of Life in Childhood Epilepsy Questionnaire–55. Trajectories of HRQOL were identified using latent class growth models. Characteristics of children, parents, and families at the time of diagnosis that were associated with each trajectory were identified using multinomial logistic regression.ResultsA total of 367 children were included. Four unique HRQOL trajectories were identified; 11% of the cohort was characterized by low and stable scores, 18% by intermediate and stable scores, 35% by intermediate scores that increased then plateaued, and 43% by high scores that increased then plateaued. Absence of comorbidities, less severe epilepsy, and better family environment (greater satisfaction with family relationships and fewer family demands) at the time of diagnosis were associated with better long‐term HRQOL trajectories. Although the analyses used estimates for missing values and accounted for any nonrandom attrition, the proportion of children with poorer HRQOL trajectories may be underestimated.SignificanceChildren with new onset epilepsy are heterogenous and follow unique HRQOL trajectories over the long term. Overall, HRQOL improves for the majority in the first 2 years after diagnosis, with these improvements sustained over the long term.
