Abstract
Delirium is an acute, transient, and fluctuating disorder of consciousness, attention, and cognition. It is frequent at the acute phase of stroke, occurring in approximately one-quarter of stroke patients. Despite this high frequency, the physiopathology of delirium in stroke patients remains largely unknown. Delirium may be the consequence of stroke itself but is, in a large number of cases, the consequence of a preexisting cognitive decline and of coexistent intercurrent disorders such as a metabolic disturbances or infections. This suggests that when delirium occurs in a stroke patient, a comprehensive search for precipitating factors must be performed. Delirium is a predictor of worse outcome after stroke: it is associated with a longer duration of hospital stay, a higher mortality, a worse functional outcome, and a higher risk of poststroke cognitive decline. No large randomized trial has been conducted in delirious patients, in particular after stroke. Treatment recommendations are therefore based on expert’s opinions: supportive and environmental measures, treatment programs, and trained nurses may be useful; drug treatment must be restricted to selected patients, after a careful evaluation of the benefice/risk balance. Orally low dose of haloperidol or atypical antipsychotic drugs remains to date the first-choice treatment.
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Henon, H., Leys, D. (2013). Delirium in Stroke Patients. In: Ferro, J. (eds) Neuropsychiatric Symptoms of Cerebrovascular Diseases. Neuropsychiatric Symptoms of Neurological Disease. Springer, London. https://doi.org/10.1007/978-1-4471-2428-3_1
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