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Frequency of Delirium in a Neurological Emergency Room

Received August 5, 2004, revised November 3, 2004, accepted December 7, 2004. From the Departments of Neuropsychiatry, Neurology, Cognition and Behavior, and Neurological Emergencies of the National Institute of Neurology and Neurosurgery, Mexico City, Mexico; and Carracci Medical Group, Mexico. Address correspondence to Dr. Lopez Gómez, Department of Neurology, Instituto Nacional de Neurología y Neurocirugía "Dr. Manuel Velasco Suárez," Insurgentes Sur 3877, LA Fama 14269, México City, México; mariolopez1{at}terra.com.mx (E-mail).

ABSTRACT

The authors present a cross-sectional survey designed to evaluate the presence of delirium in patients with neurological emergencies. Two hundred and two patients were included in the study: 14.9% of subjects had delirium; 62.4% had no arousal disturbances; and 22.7% presented a coma or stupor state. Findings revealed that the presence of a cerebral infection, the presence of multiple etiologies, and the location of lesions in the frontal and temporal lobes were all associated with delirium. Results substantiate that delirium is a frequent occurrence in neurological patients and that the presence of multiple etiologies must be investigated in each patient.

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