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J Am Acad Child Adolesc Psychiatry. 2006 Nov;45(11):1346-53.

Psychopathology in a Swedish population of school children with tic disorders.

Author information

  • 1Department of Neuroscience, Uppsala University, Uppsala, Sweden.

Abstract

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.

PMID:
17075357
[PubMed - indexed for MEDLINE]
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