Antipsychotics and chronic dystonia at a Botulinum Toxin clinic

Chronic dystonia, characterised by sustained muscle contractions and abnormal postures, poses clinical challenges, especially when associated with antipsychotic medication use. To delineate the demographic and clinical profiles of adults with dystonia and examine the association with antipsychotic m...

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Bibliographic Details
Published in:The South African journal of psychiatry 2024, Vol.30 (3), p.2270-e5
Main Authors: Thosago, Mahlatse, Asmal, Laila
Format: Article
Language:English
Subjects:
Antipsychotic drugs
antipsychotics
Botulinum toxin
Care and treatment
chronic dystonia
Demographic aspects
Dosage and administration
Dystonia
neuroleptics
Original Research
tardive dystonia
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Summary:Chronic dystonia, characterised by sustained muscle contractions and abnormal postures, poses clinical challenges, especially when associated with antipsychotic medication use. To delineate the demographic and clinical profiles of adults with dystonia and examine the association with antipsychotic medication. Botulinum Toxin Clinic at Tygerberg Hospital, Cape Town, South Africa. We conducted a retrospective cohort study of adult patients seen at the Botulinum Toxin Clinic between January 2018 and June 2022. Of the 119 patients studied, those assessed with antipsychotic-induced dystonia (32.69%) presented at a younger age ( < 0.001), were more likely female ( = 0.04), received higher average dose of Botulinum toxin ( < 0.001), and incurred a higher estimated Botulinum toxin treatment cost ( = 0.01) compared to those with primary dystonia. Logistic regression identified age and Botulinum toxin dose as factors associated with psychotropic-related dystonia ( = 0.005 and = 0.012, respectively). Clinical and demographic factors are associated with dystonia in adults taking antipsychotic medication. These patients generally manifested symptoms at an earlier age, had a higher male prevalence, and required prolonged treatment with Botulinum toxin, leading to increased costs. In those assessed with antipsychotic-induced dystonia, a comorbid diagnosis of a mood disorder was more common than that of a psychotic disorder. By identifying the demographic and clinical profile of individuals with dystonia because of antipsychotic medication, this study provides a basis for preventative strategies and enhanced patient care.
ISSN:1608-9685
2078-6786
DOI:10.4102/sajpsychiatry.v30i0.2270