Right Brain Stroke With Spatial Neglect May Also Cause Delerium

by Julia Samuel on  November 24, 2017 at 2:32 PM Research News
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High incidence of delirium and spatial neglect after right-brain stroke has been proposed by a research team at the Stroke Rehabilitation Research at Kessler Foundation.
Right Brain Stroke With Spatial Neglect May Also Cause Delerium
Right Brain Stroke With Spatial Neglect May Also Cause Delerium

Delirium and spatial neglect affect approximately half of individuals with right brain stroke, increasing their risk for prolonged stays and rehospitalization. Identifying the factors associated with these often disabling conditions is the initial step toward minimizing their impact on recovery and rehabilitation.

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Stroke survivors with spatial neglect are more likely to develop delirium, an acute disorder of attention and cognition, suggesting that these conditions may share a common brain mechanism.

"The brain networks for spatial attention and arousal may underlie the impairments in delirium and spatial neglect," noted Dr. Boukrina. "These networks comprise ascending projections from the midbrain nuclei and integrate dorsal and ventral cortical and limbic components. We propose that right-brain stroke disproportionately impairs these cortical and limbic components, causing the lateralized deficits that characterize spatial neglect," she explained.

"Spatial neglect may lower the threshold for delirium, which could account for the higher incidence of both post-stroke complications."

Further research is needed in order to identify individuals at risk soon after stroke, and develop an effective protocol for reducing the risk of these complications and their contributions to mortality and morbidity.

Source: Eurekalert

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