Study: Use of statins may help prevent delirium in critically ill patients

Published on January 17, 2014 at 1:48 AM · No Comments

Continued use of statins may help prevent delirium in critically ill patients who received statins before hospital admission, according to a new study of 470 intensive care patients in the UK.

"This is the first study using a validated delirium screening tool, the Confusion Assessment Method-ICU (CAM-ICU), to show that the administration of statins reduces delirium in these patients," said lead author Valerie J Page MB ChB, of the Watford General Hospital in Watford, UK. "This benefit may be mediated by a reduction in systemic inflammation."

The findings were published online ahead of print publication in the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine.

Of the 470 patients included in the study, 151 received statins. Statins were only administered to patients who had received statins prior to admission.

After adjustment for age, sex and illness severity, administration of statins the previous evening was associated with a significantly lower risk of delirium and a concomitant reduction in serum C-reactive protein (CRP), a marker of systemic inflammation, the following day. The strength of the relationship between statin use and a lower risk of delirium was reduced when CRP was adjusted for.

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