Per Hove Thomsen

Hoarding in children and adolescents with obsessive–compulsive disorder: prevalence, clinical correlates, and cognitive behavioral therapy outcome

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review


  • Davíð R M A Højgaard
  • Gudmundur Skarphedinsson, Faculty of Psychology, University of Iceland, Reykjavík, Iceland.
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  • Tord Ivarsson, The Center for Child and Adolescent Mental Health. Eastern and Southern Norway (RBUP), Oslo, Norway.
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  • Bernhard Weidle, Department of Child and Adolescent Psychiatry, St. Olavs Hospital and Regional Center for Child and Youth Mental Health and Child Welfare, Norwegian University of Science and Technology, Trondheim, Norway
  • ,
  • Judith Becker Nissen
  • Katja A Hybel
  • Nor Christian Torp, The Center for Child and Adolescent Mental Health, Eastern and Southern Norway (RBUP); Department of Child and Adolescent Psychiatry, Division of Mental Health and Addiction, Vestre Viken Hospital, Drammen, Norway.
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  • Karin Melin, Department of Child and Adolescent Psychiatry, Queen Silvia's Children's Hospital, Sahlgrenska. University Hospital, Gothenburg, Sweden; Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Sweden.
  • ,
  • Per Hove Thomsen

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.

TidsskriftEuropean Child & Adolescent Psychiatry
Sider (fra-til)1097-1106
Antal sider10
StatusUdgivet - 2019


  • obsessive-compulsive disorder, hoarding, Cognitive behavioral therapy, NordLOTS

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