Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Πέμπτη 27 Ιουλίου 2017

Delirium, what’s in a name?

Delirium has been known since ancient times. Hippocrates [460–370 Before Common Era (BCE)] may have been the first to describe the syndrome that he called 'phrenitis', marked by confusion and restlessness that fluctuated unpredictably and that was associated with physical illness.1 Many other names have been used, including acute mental status change, confusional state, confusion, acute brain dysfunction, brain failure, encephalopathy, postoperative psychosis and acute organic syndrome.1 Of these, the term delirium (derived from the Latin word delirare, deviate from a straight track) has gained acceptance. Besides a more uniform terminology, an important recent achievement includes publication of criteria to define delirium. Although criticized,23 the criteria of the Diagnostic and Statistical Manual of Mental Disorders (5th edition, DSM-5) have become standard.4 According to these criteria, a patient can be considered delirious when all items listed in Table 1 are present at the same time.4 In essence, this means that a patient has acutely developed disturbed attention with other cognitive deficits, which is not solely due to underlying dementia and is caused by a physical condition. Table 1Criteria for delirium according to the Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5)4
  • A. A disturbance in attention (i.e. reduced ability to direct, focus, sustain and shift attention) and awareness (reduced orientation to the environment).
  • B. The disturbance develops over a short period of time (usually hours to a few days), represents a change from baseline attention and awareness, and tends to fluctuate in severity during the course of a day.
  • C. An additional disturbance in cognition (e.g. memory deficit, disorientation, language, visuospatial ability or perception).
  • D. The disturbances in Criteria A and C are not better explained by another pre-existing, established or evolving neurocognitive disorder and do not occur in the context of a severely reduced level of arousal, such as coma.
  • E. There is evidence from the history, physical examination or laboratory findings that the disturbance is a direct physiological consequence of another medical condition, substance intoxication or withdrawal (i.e. due to a drug of abuse or to a medication), or exposure to a toxin, or is due to multiple aetiologies.


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