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Development and clinimetric assessment of a nurse-administered screening tool for movement disorders in psychosis

Balint, B and Killaspy, H and Marston, L and Barnes, T and Latorre, A and Joyce, E and Clarke, CS and De Micco, R and Edwards, MJ and Erro, R and Foltynie, T and Hunter, RM and Nolan, F and Schrag, A and Freemantle, N and Foreshaw, Y and Green, N and Bhatia, KP and Martino, D (2018) 'Development and clinimetric assessment of a nurse-administered screening tool for movement disorders in psychosis.' BJPsych Open, 4 (5). 404 - 410. ISSN 2056-4724

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Abstract

Background Movement disorders associated with exposure to antipsychotic drugs are common and stigmatising but underdiagnosed. Aims To develop and evaluate a new clinical procedure, the ScanMove instrument, for the screening of antipsychotic-associated movement disorders for use by mental health nurses. Method Item selection and content validity assessment for the ScanMove instrument were conducted by a panel of neurologists, psychiatrists and a mental health nurse, who operationalised a 31-item screening procedure. Interrater reliability was measured on ratings for 30 patients with psychosis from ten mental health nurses evaluating video recordings of the procedure. Criterion and concurrent validity were tested comparing the ScanMove instrument-based rating of 13 mental health nurses for 635 community patients from mental health services with diagnostic judgement of a movement disorder neurologist based on the ScanMove instrument and a reference procedure comprising a selection of commonly used rating scales. Results Interreliability analysis showed no systematic difference between raters in their prediction of any antipsychotic-associated movement disorders category. On criterion validity testing, the ScanMove instrument showed good sensitivity for parkinsonism (90%) and hyperkinesia (89%), but not for akathisia (38%), whereas specificity was low for parkinsonism and hyperkinesia, and moderate for akathisia. Conclusions The ScanMove instrument demonstrated good feasibility and interrater reliability, and acceptable sensitivity as a mental health nurse-administered screening tool for parkinsonism and hyperkinesia.

Item Type: Article
Subjects: R Medicine > RA Public aspects of medicine > RA790 Mental Health
Divisions: Faculty of Science and Health > Health and Social Care, School of
Depositing User: Elements
Date Deposited: 07 Sep 2018 11:33
Last Modified: 30 Mar 2021 10:15
URI: http://repository.essex.ac.uk/id/eprint/22942

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