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Comparative Neuropsychiatry: White Matter Abnormalities in Children and Adolescents with Schizophrenia, Bipolar Affective Disorder, and Obsessive-Compulsive Disorder

Published online by Cambridge University Press:  15 April 2020

T. White ,
C. Langen ,
M. Schmidt ,
M. Hough  and
A. James
T. White*
Affiliation:
Department of Child and Adolescent Psychiatry, Erasmus Medical Centre – Sophia, Rotterdam, The Netherlands Department of Radiology, Erasmus Medical Centre – Sophia, Rotterdam, The Netherlands
C. Langen
Affiliation:
Department of Child and Adolescent Psychiatry, Erasmus Medical Centre – Sophia, Rotterdam, The Netherlands Department of Radiology, Erasmus Medical Centre – Sophia, Rotterdam, The Netherlands
M. Schmidt
Affiliation:
Department of Child and Adolescent Psychiatry, Erasmus Medical Centre – Sophia, Rotterdam, The Netherlands
M. Hough
Affiliation:
Department of Psychiatry, Oxford University, Oxford, United Kingdom
A. James
Affiliation:
Department of Psychiatry, Oxford University, Oxford, United Kingdom Highfield Adolescent Unit, Warneford Hospital, Oxford, United Kingdom
*
*Corresponding author. Department of Child and Adolescent Psychiatry, Erasmus MC – Sophia, kamer SP-2869, Postbus 2060, 3000 CB Rotterdam, The Netherlands. E-mail address:[email protected] (T. White).
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Abstract

Background:

There is considerable evidence that white matter abnormalities play a key role in the pathogenesis of a number of major psychiatric disorders, including schizophrenia, bipolar affective disorder, and obsessive-compulsive disorder. Few studies, however, have compared white matter abnormalities early in the course of the illness.

Methods:

A total of 102 children and adolescents participated in the study, including 43 with early-onset schizophrenia, 13 with early-onset bipolar affective disorder, 17 with obsessive-compulsive disorder, and 29 healthy controls. Diffusion tensor imaging scans were obtained on all children and the images were assessed for the presence of non-spatially overlapping regions of white matter differences, a novel algorithm known as the pothole approach.

Results:

Patients with early-onset schizophrenia and early-onset bipolar affective disorder had a significantly greater number of white matter potholes compared to controls, but the total number of potholes did not differ between the two groups. The volumes of the potholes were significantly larger in patients with early-onset bipolar affective disorder compared to the early-onset schizophrenia group. Children and adolescents with obsessive-compulsive disorder showed no differences in the total number of white matter potholes compared to controls.

Conclusions:

White matter abnormalities in early-onset schizophrenia and bipolar affective disorder are more global in nature, whereas children and adolescents with obsessive-compulsive disorder do not show widespread differences in FA.

Keywords

Diffusion tensor imagingPotholesEarly-onset schizophreniaChildrenAdolescents
Type
Original article
Information
European Psychiatry , Volume 30 , Issue 2 , February 2015 , pp. 205 - 213
Copyright
Copyright © Elsevier Masson SAS 2014

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