Abstract
Hoarding, common in pediatric obsessive–compulsive disorder (OCD), has specific clinical correlates and is associated with poor prognosis. However, there are few studies of hoarding in pediatric OCD. This study estimates the occurrence of hoarding symptoms in a sample of children and adolescents with OCD, investigating possible differences in demographic and clinical variables between pediatric OCD with and without hoarding symptoms. Furthermore, the study investigates whether hoarding symptoms predict poorer treatment outcomes after cognitive behavioral therapy (CBT). The study sample comprised 269 children and adolescents with OCD, aged 7–17 years, from Denmark, Sweden, and Norway, who were all included in the Nordic long-term obsessive–compulsive disorder Treatment Study. All had an OCD diagnosis according to the DSM-IV and were treated with 14 weekly sessions of manualized, exposure-based CBT. Hoarding symptoms and OCD severity were assessed with the Children’s Yale–Brown Obsessive–Compulsive Scale and group differences in treatment outcome were analyzed using linear mixed-effect modelling. Seventy-two patients (26.8%) had one or more symptoms of hoarding. Comorbid tic disorders (p = 0.005) and indecision (p = 0.024) were more prevalent among those with hoarding symptoms than those without hoarding symptoms. In addition, youth with hoarding symptoms had a different OCD symptom profile. Having symptoms of hoarding did not affect CBT outcome (p = 0.933). Results from the study suggest that CBT is equally effective for those with and without hoarding-related OCD.
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The authors would like to thank TrygFonden, Lundbeck Foundation and Central Region Denmark’s Research Fund for supporting the research presented in this article through project Grants.
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Dr. Ivarsson has served on the speaker’s bureau of Shire Sweden. All remaining authors report no biomedical financial interests or potential conflicts of interest.
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Højgaard, D.R.M.A., Skarphedinsson, G., Ivarsson, T. et al. Hoarding in children and adolescents with obsessive–compulsive disorder: prevalence, clinical correlates, and cognitive behavioral therapy outcome. Eur Child Adolesc Psychiatry 28, 1097–1106 (2019). https://doi.org/10.1007/s00787-019-01276-x
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DOI: https://doi.org/10.1007/s00787-019-01276-x