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Psychopathology in a Swedish population of school children with tic disorders
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience.
2006 (English)In: Journal of the American Academy of Child and Adolescent Psychiatry, ISSN 0890-8567, E-ISSN 1527-5418, Vol. 45, no 11, 1346-1353 p.Article in journal (Refereed) Published
Abstract [en]

Objective: To examine patterns of psychiatric comorbid disorders and associated problems in a school population of children with tic disorders. Method: From a total population of 4,479 children, 25 with Tourette's disorder (TD), 34 with chronic motor tics (CMT), 24 with chronic vocal tics (CVT), and 214 with transient tics (TT) during the past year were found. A three-stage procedure was used: tic screening, telephone interview, and clinical assessment. The TD group was compared with 25 children with TT and 25 controls without tics. Results: Psychiatric comorbid disorders were found in 92% of the children with TD. Attention-deficit/hyperactivity disorder was most common, and patterns of psychiatric comorbidity were similar in children with TD and CVT, but not with CMT and TT. Aggressive behavior was more common in children with TD than other tic disorders. Conclusions: Psychiatric comorbid disorders are common even in community-based samples of children with TD and CVT TD and CVT seem to be part of the same disease entity, with TD being a more severe form. Chronic tics may be a marker for behavioral and learning difficulties in children, and awareness of these associations is critical to the care and treatment of children with tics.

Place, publisher, year, edition, pages
2006. Vol. 45, no 11, 1346-1353 p.
Keyword [en]
tic disorder, psychopathology, aggression
National Category
Psychiatry
Identifiers
URN: urn:nbn:se:uu:diva-26237DOI: 10.1097/01.chi.0000251210.98749.83ISI: 000241415600009PubMedID: 17075357OAI: oai:DiVA.org:uu-26237DiVA: diva2:54011
Available from: 2007-02-15 Created: 2007-02-15 Last updated: 2017-12-07Bibliographically approved
In thesis
1. Tourette Syndrome and Tic Disorders in a Swedish School Population: Prevalence, Clinical Assessment, Background, Psychopathology, and Cognitive Function
Open this publication in new window or tab >>Tourette Syndrome and Tic Disorders in a Swedish School Population: Prevalence, Clinical Assessment, Background, Psychopathology, and Cognitive Function
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

A total population of 4,479 children (7-15 years of age) attended school in Ludvika & Smedjebacken in 2000. All the school children and their parents were asked to fill in a questionnaire concerning different tics A three-stage procedure was used: tic identification, interview, and clinical assessment.

Tourette syndrome, according to DSM IV criteria was found in 25 (0.6%) of the children, another 34 (0.8%) suffered from chronic motor tics (CMT), 24 (0.4%) from chronic vocal tics (CVT) and 214 (4.8%) children had had transient tics (TT) during the last year. Altogether 297 (6.6%) children had or had had some tic disorder.

Twenty-five controls without tics and 25 children with TT of the same age, sex and school as the TS children were randomly chosen. They were together with the 34 children with CMT and the 24 children with CVT examined with use of a broad battery of instruments.

The mean age of the first symptoms of TS was significantly lower than the onset of chronic motor/vocal tics. A younger age of onset of TS indicated more severe tics. Eighty per cent had a first-degree relative with a psychiatric disorder such as tic disorder, obsessive-compulsive behaviour, attentiondeficit/hyperactivity disorder (ADHD), or depression. A non-significant increase with regard to reduced optimality score in the pre-, peri-, or neonatal periods was found in children with TS compared to controls. No differences were found concerning socio-economic status. Psychiatric comorbid disorders were found in 92% of the children with TS. ADHD was most common. Patterns of psychiatric comorbidity were similar in children with TS and CVT. Children with TS perform poorer than the population in general with respect to cognitive functioning and self-perception.

The results are discussed as they relate to the need for case identification, diagnosis, intervention, and treatment.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2006. 68 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 1651-6206 ; 105
Keyword
Child and adolescent psychiatry, Tourette syndrome, tic disorders, population study, psychopathology, heredity, perinatal complications, cognitive function, Barn- och ungdomspsykiatri
National Category
Psychiatry
Research subject
Child and Youth Psychiatry
Identifiers
urn:nbn:se:uu:diva-6334 (URN)91-554-6460-2 (ISBN)
Public defence
2006-03-10, Auditoriet, Gustavianum, Akademi gatan 3, 753 10 Uppsala, 09:15
Opponent
Supervisors
Available from: 2006-02-16 Created: 2006-02-16 Last updated: 2013-09-19Bibliographically approved

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