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Soft diagnosis, guidelines and hard choices

Published online by Cambridge University Press:  02 January 2018

Karol Antczak
Affiliation:
Cluain Mhuire Mental Health Service, Dublin, Ireland; email: karol.antczak@sjog.ie
Elizabeth Cummings
Affiliation:
Cluain Mhuire Mental Health Service, Dublin, Ireland; email: karol.antczak@sjog.ie
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Abstract

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Creative Commons
Creative Common License - CCCreative Common License - BY
This is an open-access article published by the Royal College of Psychiatrists and distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
Copyright © The Royal College of Psychiatrists, 2017

Thank you for this excellent and concise article outlining the complexities involved in neuroleptic malignant syndrome (NMS) in association with atypical antipsychotics. Reference Sarkar and Gupta1 It serves as a reminder of how guidelines and diagnostic criteria can, for all their clarity, lead to vexing and imperfect choices.

This article brings to mind recent clinical cases where empiric treatment of a soft NMS diagnosis led to challenging decisions. The trouble lay in following guidelines in a patient with very clear treatment-resistant schizophrenia who had improved with clozapine. After the withdrawal of the causative agent, the duration for which antipsychotic treatment should be withheld is not completely clear. There are recognised guidelines indicating at least 5 days and monitoring for symptom resolution, whereas other guidelines say to wait 2 weeks after symptoms have settled. Reference Semple2,Reference Taylor, Paton and Kapur3 In addition, the atypical presentation of clozapine-associated NMS itself can lead to uncertainty and serves as a frustrating obstacle which clouds the process of decision-making. Reference Sarkar and Gupta1 Moving forward, the recommendation to avoid the precipitating antipsychotic does not provide a clear answer in further management of such a patient on clozapine where other options have proved insufficient or inadequate. Reference Bhanushali and Tuite4

Further difficulty then may arise in persuading someone that the medication, which is associated with such an unpleasant clinical experience, is the correct choice. Particularly when recurrence of NMS on rechallenge with antipsychotics was found to be between 30 and 50%. Reference Bhanushali and Tuite4

In clinical practice there often is no perfect answer and rarely does the right one present itself as the easy choice. An article such as this serves to highlight the challenges present in applying uniform guidelines to complex presentations.

References

1 Sarkar, S, Gupta, N. Drug information update. Atypical antipsychotics and neuroleptic malignant syndrome: nuances and pragmatics of the association. BJPsych Bull 2017; 41: 211–6.Google Scholar
2 Semple, D. Oxford Handbook of Psychiatry. Oxford University Press, 2013.Google Scholar
3 Taylor, D, Paton, C, Kapur, S. The Maudsley Prescribing Guidelines in Psychiatry (Twelfth Edition). Wiley-Blackwell, 2015.Google Scholar
4 Bhanushali, MJ, Tuite, PJ. The evaluation and management of patients with neuroleptic malignant syndrome. Neurol Clin 2004; 22: 389411.Google Scholar
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