Extrapyramidal symptoms as a consequence of organophosphate poisoning: Insights from a clinical case

Bibliographic Details
Title: Extrapyramidal symptoms as a consequence of organophosphate poisoning: Insights from a clinical case
Authors: J. Martins Correia, S. Freitas Ramos, M.I. Fonseca Marinho Vaz Soares, B. Jesus, D. Cruz E Sousa, S. Caetano
Source: European Psychiatry, Vol 64, Pp S779-S780 (2021)
Publisher Information: Cambridge University Press, 2021.
Publication Year: 2021
Collection: LCC:Psychiatry
Subject Terms: organophosphate poisoning, extrapyramidal symptoms, extrapyramidal syndrome, Catatonia, Psychiatry, RC435-571
More Details: Introduction The development of an extrapyramidal syndrome (EPS) is assumed to be a potential and important consequence of organophosphate poisoning (OP). Even though its causal relationship is firmly established, the information available in the literature regarding the orientation to be given is scarce, and its approach remains shrouded in a significant degree of uncertainty. Catatonia, as a neuropsychiatric condition, may present a marked overlap with the set of extrapyramidal symptoms developed after OP. Does the overlap between the symptoms seen in catatonia and in EPS make differential diagnosis fundamental or does it have no relevance in relation to the approach to be established? Objectives To discuss the therapeutic approach to be implemented in the extrapyramidal symptoms resulting from OP and reflect on the overlap between catatonia and EPS. Methods Presentation of a clinical case and review of the literature. Results A 50-year-old woman with major depressive disorder developed a condition marked by exuberant extrapyramidal symptoms 3 weeks after OP. Significant stiffness, tremor, dysphagia and facial hypomimia were some of the symptoms observed. Therapy was started with amantadine 100mg daily, with complete resolution of the symptoms after 5 days. Follow-up revealed reversal of extrapyramidal symptoms, in the absence of any neuroimaging changes or any other neuropsychiatric manifestations. Conclusions The possible overlap between catatonia and EPS is remarkable. The two conditions, regardless of their differentiation, may benefit from an identical approach using dopaminergic drugs. The use of amantadine, even in low doses, may be an option in the rapid reversal of extrapyramidal symptoms resulting from OP. Disclosure No significant relationships.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 0924-9338
1778-3585
Relation: https://www.cambridge.org/core/product/identifier/S0924933821020630/type/journal_article; https://doaj.org/toc/0924-9338; https://doaj.org/toc/1778-3585
DOI: 10.1192/j.eurpsy.2021.2063
Access URL: https://doaj.org/article/e1f69bf8e0da4547b93b8093a87763f7
Accession Number: edsdoj.1f69bf8e0da4547b93b8093a87763f7
Database: Directory of Open Access Journals
More Details
ISSN:09249338
17783585
DOI:10.1192/j.eurpsy.2021.2063
Published in:European Psychiatry
Language:English