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Prescribing and Pharmacology of Controlled Drugs: Critical Issues ...

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Cognitive Impairment<br />

• “Cognitive Effects <strong>of</strong> Long-term Benzodiazepine Use:<br />

a Meta-analysis” Barker et. al. 2004 – “…all cognitive<br />

domains suggesting that long-term benzodiazepine users were<br />

significantly impaired, compared with controls, in all <strong>of</strong> the areas that<br />

were assessed.”<br />

• Cognitive Toxicity <strong>of</strong> Pharmacotherapeutic Agents Used in Social<br />

Anxiety Disorder. - Hindmarch I - Int J Clin Pract - 01-JUL-2009<br />

“Benzodiazepines caused noticeable cognitive impairment.”<br />

• “Persistence <strong>of</strong> Cognitive Effects after Withdrawal from long-term<br />

Benzodiazepine Use: a meta-analysis” Barker et. al. 2003<br />

“The findings <strong>of</strong> this study highlight the problems associated with longterm<br />

benzodiazepine therapy <strong>and</strong> suggest that previous<br />

benzodiazepine users would be likely to experience the benefit <strong>of</strong><br />

improved cognitive functioning after withdrawal. However, the<br />

reviewed data did not support full restitution <strong>of</strong> function, at least in the<br />

first 6 months following cessation <strong>and</strong> suggest that there may be some<br />

permanent deficits or deficits that take longer than 6 months to<br />

completely recover.”

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