Sedation effects on responsiveness: evaluating the reduction of antipsychotic medication in people with intellectual disability using a conditional probability approach

Smith, C., Felce, David John, Ahmed, Z., Fraser, William, Kerr, Michael Patrick, Kiernan, C., Emerson, E., Robertson, J., Allen, David G., Baxter, Helen Ann and Thomas, J. 2002. Sedation effects on responsiveness: evaluating the reduction of antipsychotic medication in people with intellectual disability using a conditional probability approach. Journal of Intellectual Disability Research 46 (6) , pp. 464-471. 10.1046/j.1365-2788.2002.00416.x

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Abstract

Background: The impact of the withdrawal of long-term antipsychotic medication prescribed to adults with intellectual disabilities on behavioural functioning has been investigated using a real-time direct observation methodology. Previous authors have reported a significant post-reduction difference in engagement in activity between the successful drug reduction and control groups. Method: In the present study, sequential analysis of the relationship between staff:resident interaction and behavioural engagement was used to give a more precise measure of the extent to which user responsiveness is affected by drug withdrawal. Responsiveness was measured by calculating the likelihood of engagement occurring given the occurrence of staff interaction. This likelihood was represented by the statistic Yule's Q-value. Results: High Yule's Q-value results pre- and post-baseline were found, indicating that clients were highly responsive to staff interaction. However, Yule's Q-value did not significantly increase following drug withdrawal. Conclusion: The present study provides no evidence of greater responsiveness following the withdrawal of psychotropic medication.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Subjects:	R Medicine > R Medicine (General)
Publisher:	Blackwell Publishing
ISSN:	0964-2633
Last Modified:	21 Dec 2017 20:04
URI:	https://orca.cardiff.ac.uk/id/eprint/68744

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