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Published in: European Child & Adolescent Psychiatry 7/2006

01-10-2006 | ORIGINAL CONTRIBUTION

Prevalence of movement disorders in adolescent patients with schizophrenia and in relationship to predominantly atypical antipsychotic treatment

Authors: Stefan Gebhardt, MD, Fabian Härtling, MD, Markus Hanke, Markus Mittendorf, Frank M. Theisen, MD, Karin Wolf-Ostermann, Phillip Grant, Matthias Martin, MD, Christian Fleischhaker, MD, Eberhard Schulz, MD, Helmut Remschmidt, MD, PhD

Published in: European Child & Adolescent Psychiatry | Issue 7/2006

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Abstract

Objective

To examine prevalence of movement disorders (MDs) such as tardive dyskinesia (TD), parkinsonism or akathisia in an adolescent population with schizophrenia and in relationship to predominantly atypical antipsychotic treatment.

Method

Ninety-three patients (aged 19.6±2.2 years) were ascertained in this cross-sectional/retrospective study. 76 patients (81.7%) received atypical, 10 (10.8%) typical antipsychotics and 7 (7.5%) combinations of atypical/typical antipsychotics. MD symptoms were assessed using Tardive Dyskinesia Rating Scale (TDRS), Abnormal Involuntary Movement Scale (AIMS), Extrapyramidal Symptom Scale (EPS), Barnes Akathisia Scale (BAS).

Results

Movement disorder symptoms were found in 37 patients (39.8%) fulfilling strict/subthreshold criteria for TD (5.4/11.8%), parkinsonism (2.2/25.8%) or akathisia (1.1/11.8%), respectively. Patients treated with typical antipsychotics displayed a significantly higher EPS-score (P=0.036) and a tendency towards a higher BAS-score (P=0.061) compared to patients with atypical antipsychotics. Treatment durations with typical/atypical antipsychotics showed trends towards advantages of atypical antipsychotics with regard to parkinsonism/akathisia symptoms (P=0.061; P=0.054), but not with regard to TD symptoms (P=0.003), possibly due to confounding effects.

Conclusion

Under treatment with atypical antipsychotics MD symptoms are less prevalent and less pronounced than under typical antipsychotics. We speculate that the finding of relatively high prevalence rates of subthreshold MD symptoms may be, at least partially, explained by previous or combined therapy with typical antipsychotics.
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Metadata
Title
Prevalence of movement disorders in adolescent patients with schizophrenia and in relationship to predominantly atypical antipsychotic treatment
Authors
Stefan Gebhardt, MD
Fabian Härtling, MD
Markus Hanke
Markus Mittendorf
Frank M. Theisen, MD
Karin Wolf-Ostermann
Phillip Grant
Matthias Martin, MD
Christian Fleischhaker, MD
Eberhard Schulz, MD
Helmut Remschmidt, MD, PhD
Publication date
01-10-2006
Publisher
Steinkopff-Verlag
Published in
European Child & Adolescent Psychiatry / Issue 7/2006
Print ISSN: 1018-8827
Electronic ISSN: 1435-165X
DOI
https://doi.org/10.1007/s00787-006-0544-5

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