The DSM-5 criteria, level of arousal and delirium diagnosis: Inclusiveness is safer

European Delirium Association, American Delirium Society

Research output: Contribution to journalArticle

117 Citations (Scopus)

Abstract

Background: Delirium is a common and serious problem among acutely unwell persons. Alhough linked to higher rates of mortality, institutionalisation and dementia, it remains underdiagnosed. Careful consideration of its phenomenology is warranted to improve detection and therefore mitigate some of its clinical impact. The publication of the fifth edition of the Diagnostic and Statistical Manual of the American Psychiatric Association (DSM-5) provides an opportunity to examine the constructs underlying delirium as a clinical entity.Discussion: Altered consciousness has been regarded as a core feature of delirium; the fact that consciousness itself should be physiologically disrupted due to acute illness attests to its clinical urgency. DSM-5 now operationalises 'consciousness' as 'changes in attention'. It should be recognised that attention relates to content of consciousness, but arousal corresponds to level of consciousness. Reduced arousal is also associated with adverse outcomes. Attention and arousal are hierarchically related; level of arousal must be sufficient before attention can be reasonably tested.Summary: Our conceptualisation of delirium must extend beyond what can be assessed through cognitive testing (attention) and accept that altered arousal is fundamental. Understanding the DSM-5 criteria explicitly in this way offers the most inclusive and clinically safe interpretation.

Original languageEnglish (US)
Article number141
JournalBMC medicine
Volume12
Issue number1
DOIs
StatePublished - Sep 25 2014

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Delirium
Arousal
Consciousness
Institutionalization
Dementia
Publications
Mortality

Keywords

  • Arousal
  • Attention
  • Consciousness
  • Delirium
  • Diagnostic and Statistical Manual of Mental Disorders

ASJC Scopus subject areas

  • Medicine(all)

Cite this

The DSM-5 criteria, level of arousal and delirium diagnosis : Inclusiveness is safer. / European Delirium Association; American Delirium Society.

In: BMC medicine, Vol. 12, No. 1, 141, 25.09.2014.

Research output: Contribution to journalArticle

European Delirium Association & American Delirium Society 2014, 'The DSM-5 criteria, level of arousal and delirium diagnosis: Inclusiveness is safer', BMC medicine, vol. 12, no. 1, 141. https://doi.org/10.1186/s12916-014-0141-2
European Delirium Association ; American Delirium Society. / The DSM-5 criteria, level of arousal and delirium diagnosis : Inclusiveness is safer. In: BMC medicine. 2014 ; Vol. 12, No. 1.
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