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Forensic mental health intellectual and developmental disability service: an analysis of referral patterns and comparison with community mental health intellectual disability (MHID) services in Ireland

Afwan Abdul Wahab (Department of Psychiatry, Cluain Mhuire, Dublin, Ireland)
Calvin Har (Department of Mental Health Intellectual Disability, Cheeverstown, Tallaght University Hospital, Dublin, Ireland)
Sarah Casey (Department of Mental Health Intellectual Disability, Daughters of Charity, Dublin, Ireland)
Hugh Ramsay (St. Michael House, Dublin, Ireland)
Brendan McCormack (Department of Mental Health Intellectual Disability, Stewarts Care Ltd, Dublin, Ireland)
Niamh Mulryan (Department of Mental Health Intellectual Disability, Daughters of Charity Disability Support Services, Dublin, Ireland and Trinity College Dublin, Dublin, Ireland)
Anita Ambikapathy (Department of Mental Health Intellectual Disability, Daughters of Charity, Dublin, Ireland)
Anthony Kearns (Department of Forensic Mental Health Intellectual and Developmental Disability, Central Mental Hospital, Dublin, Ireland)

Advances in Mental Health and Intellectual Disabilities

ISSN: 2044-1282

Article publication date: 1 November 2023

Issue publication date: 8 November 2023

48

Abstract

Purpose

The purpose of this study is to analyse the characteristics of all the referrals to the forensic MHIDD service over the past five years and to compare these characteristics to the cohort of service users attending the three general MHID services based in Dublin which are Service 1, Service 2 and Service 3.

Design/methodology/approach

This is a cross-sectional study of adults attending the three generic MHID services and the national forensic MHIDD service. The medical files of service users attending the MHID services were reviewed, and data such as age, gender, level of intellectual disability and psychiatric diagnoses were extracted and compiled into a database. The forensic MHIDD service has since its inception maintained a database of all referrals received and reviewed. The characteristics data needed were extracted from the forensic MHIDD database. All these data were then analysed using the Statistical Package for Social Sciences (SPSS).

Findings

The majority of the three MHID service users were in the moderate to profound range of intellectual disability, while the majority of the cases assessed by forensic MHIDD had normal IQ, borderline IQ and mild intellectual disability with 66.1%. The prevalence of neurodevelopmental disorder, schizophrenia and emotionally unstable personality disorder in the forensic MHIDD is comparable to the three MHID services. The prevalence of depression, bipolar affective disorder (BPAD), anxiety disorder and obsessive-compulsive disorder (OCD) is higher in the three MHID services than in the forensic MHIDD service.

Originality/value

The FHMIDD received referrals at a greater level of overall ability, with two-thirds of the service users having mild intellectual disability to normal IQ. The prevalence of neurodevelopmental disorder such as ASD and schizophrenia is comparable between the forensic MHIDD and the three MHID services. There is a higher prevalence of depression, BPAD, anxiety disorder and OCD in the three MHID services as compared to the forensic MHIDD service.

Keywords

Acknowledgements

Ethical approval: Ethics approval completed and obtained from the Research Ethics Committee in National Forensic Mental Health Service and Avista (formerly Daughters of Charity).

Declaration of interest: The authors report no conflicts of interest. The authors are responsible for the content and writing of this article.

Funding: No financial support received from any source.

Citation

Wahab, A.A., Har, C., Casey, S., Ramsay, H., McCormack, B., Mulryan, N., Ambikapathy, A. and Kearns, A. (2023), "Forensic mental health intellectual and developmental disability service: an analysis of referral patterns and comparison with community mental health intellectual disability (MHID) services in Ireland", Advances in Mental Health and Intellectual Disabilities, Vol. 17 No. 4, pp. 253-261. https://doi.org/10.1108/AMHID-06-2023-0020

Publisher

:

Emerald Publishing Limited

Copyright © 2023, Emerald Publishing Limited

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