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Open Access Research article

Rates of undiagnosed attention deficit hyperactivity disorder in London drug and alcohol detoxification units

Zoe Huntley12, Stefanos Maltezos2, Charlotte Williams12, Alun Morinan3, Amy Hammon12, David Ball1, E Jane Marshall4, Francis Keaney3, Susan Young7, Patrik Bolton15, Karen Glaser6, Raoul Howe-Forbes1, Jonna Kuntsi1, Kiriakos Xenitidis2, Declan Murphy2 and Philip J Asherson1*

Author affiliations

1 MRC Social Genetic and Developmental Psychiatry, Institute of Psychiatry, Kings College London, London, SE 58AF, UK

2 Behavioural Genetics Unit, Institute of Psychiatry, Kings College London, London, SE, 58AF, UK

3 Addiction Unit, Maudsley Hospital, London, SE, 58AF, UK

4 National Addiction Centre, Institute of Psychiatry, Kings College London and Bethlem Addiction Service, South London and Maudsley NHS Foundation Trust, London, SE, 5 8AF, UK

5 Child and Adolescent Psychiatry, Institute of Psychiatry, Kings College London, London, SE, 58AF, UK

6 Institute of Gerontology, King's College London, London, WC, 2R 2LS, UK

7 Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Kings College London, UK, SE58AF & Broadmoor Hospital, Crowthorne, Berkshire, UK, RG45 7EG

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Citation and License

BMC Psychiatry 2012, 12:223  doi:10.1186/1471-244X-12-223

Published: 6 December 2012

Abstract

Background

ADHD is a common childhood onset mental health disorder that persists into adulthood in two-thirds of cases. One of the most prevalent and impairing comorbidities of ADHD in adults are substance use disorders. We estimate rates of ADHD in patients with substance abuse disorders and delineate impairment in the co-morbid group.

Method

Screening for ADHD followed by a research diagnostic interview in people attending in-patient drug and alcohol detoxification units.

Results

We estimated prevalence of undiagnosed ADHD within substance use disorder in-patients in South London around 12%. Those individuals with substance use disorders and ADHD had significantly higher self-rated impairments across several domains of daily life; and higher rates of substance abuse and alcohol consumption, suicide attempts, and depression recorded in their case records.

Conclusions

This study demonstrates the high rates of untreated ADHD within substance use disorder populations and the association of ADHD in such patients with greater levels of impairment. These are likely to be a source of additional impairment to patients and represent an increased burden on clinical services.