Effects - Effects of benzodiazepines on explicit memory in a paediatric surgery setting (2003)

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Description:
Psychopharmacology (2003) 168:377–386

Susan E. Buffett-Jerrott · Sherry H. Stewart ·

G. Allen Finley · Heather Lee Loughlan

Abstract

Rationale: Many laboratory-based studies indicate
that benzodiazepines impair explicit memory performance, increase sedation, and impair attention.

Objectives:

The present study was designed to extend prior lab-based findings to an applied setting in which the amnestic effects of benzodiazepines may be beneficial for users. In addition, the study extended the previous adult focused research by examining the cognitive effects of benzodiazepines in children.

Methods: The present study examined the use of a specific benzodiazepine (midazolam) as a premedicant among 40 children aged 4–6 years old having ear tube (myringotomy) surgery, who were randomly assigned to receive midazolam or placebo.

Results:

Consistent with previous studies, the results
indicated that midazolam causes significant amnesia on a cued recall task. In addition, free recall for post-drug events were also impaired by midazolam relative to placebo, indicating that benzodiazepine-induced amnesia occurs even for highly salient information.

Conclusions: Overall, it appears that benzodiazepines do impair memory in a pediatric population. This amnesia was not secondary to the inattention and sedation also caused by midazolam administration. The theoretical and clinical implications of these findings are discussed, as are potential future studies.

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