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Effects of opioid dependence on visuospatial memory and its associations with depression and anxiety

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Tolomeo_2019_Effects_of_opioid_FPSYT_10_00743.pdf (920.3Kb)
Date
23/10/2019
Author
Tolomeo, Serenella
Davey, Fleur
Steele, J. Douglas
Baldacchino, Alexander Mario
Keywords
Memory
Opioid dependence
Heroin
Methadone
Buprenorphine
Depression
Anxiety
RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
RM Therapeutics. Pharmacology
NDAS
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Abstract
Introduction The cognitive impact of opioid dependence is rarely measured systematically in everyday clinical practice even though both patients and clinicians accept cognitive symptoms often occur in the opioid dependent population. There are only a few publications which utilised computerised neuropsychological tests to assess possible impairments of visuospatial memory on opioid-dependent individuals either receiving opioid replacement therapy (ORT) or during subsequent short term abstinence and the effects of anxiety and depression. Methods We assessed a cohort of 102 participants, compromising (i) a stable opioid dependent group receiving methadone-maintenance treatment (MMT) (n=22), (ii) a stable opioid dependent group receiving buprenorphine (BMT) (n=20), (iii) a current abstinent but previously opioid dependent group (ABS) (n=8) and (iv) a control group who have never been dependent on opioids . The CANTAB neuropsychological tasks undertaken by participants included: Delayed Matching to Sample (DMS), Pattern Recognition Memory (PRM), Spatial Recognition Memory (SRM) and Paired Associated Learning (PAL) tasks. Three clinical measures were used to assess the severity of anxiety and depressive illness: HADA-HADD, BDI and ISD-SR. Results The methadone and buprenorphine treated groups showed significant impairments (p<0.001) in visuospatial memory tasks but not the abstinent group. Impairments on visuospatial memory strongly correlated with higher mood and anxiety symptom severity scores (p<0.001). Discussion These results are broadly consistent with previous studies. Uniquely though, here we report a strong relationship between visuospatial memory, depression and anxiety scores, which might suggest common illness mechanisms.
Citation
Tolomeo , S , Davey , F , Steele , J D & Baldacchino , A M 2019 , ' Effects of opioid dependence on visuospatial memory and its associations with depression and anxiety ' , Frontiers in Psychiatry , vol. 10 , 743 , pp. 1-8 . https://doi.org/10.3389/fpsyt.2019.00743
Publication
Frontiers in Psychiatry
Status
Peer reviewed
DOI
https://doi.org/10.3389/fpsyt.2019.00743
ISSN
1664-0640
Type
Journal article
Description
Funding: Schering-Plough unrestricted educational grant, Anonymous Trust, Indivior.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/18778

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