Zopiclone as a preoperative night hypnotic: a double-blind comparison with temazepam and placebo. 1994

C Whitehead, and L Sanders, and I Appadurai, and I Power, and M Rosen, and J Robinson
Department of Anaesthetics, University of Wales College of Medicine, Heath Park, Cardiff.

We have examined the hypnotic effects of zopiclone 7.5 mg and temazepam 20 mg compared with placebo in a double-blind, randomized, clinical study of 60 patients on the night before operation. Evaluation was both subjective (visual analogue scales and a sleep questionnaire), to measure the quality of sleep, and objective (critical flicker fusion, object recall and paired associates tasks), to measure residual impairment. We found that zopiclone was an effective single-dose hypnotic with similar residual effects to the benzodiazepine and it may therefore provide a suitable alternative to benzodiazepines.

UI MeSH Term Description Entries
D006993 Hypnotics and Sedatives Drugs used to induce drowsiness or sleep or to reduce psychological excitement or anxiety. Hypnotic,Sedative,Sedative and Hypnotic,Sedatives,Hypnotic Effect,Hypnotic Effects,Hypnotics,Sedative Effect,Sedative Effects,Sedatives and Hypnotics,Effect, Hypnotic,Effect, Sedative,Effects, Hypnotic,Effects, Sedative,Hypnotic and Sedative
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010879 Piperazines Compounds that are derived from PIPERAZINE.
D011292 Premedication Preliminary administration of a drug preceding a diagnostic, therapeutic, or surgical procedure. The commonest types of premedication are antibiotics (ANTIBIOTIC PROPHYLAXIS) and anti-anxiety agents. It does not include PREANESTHETIC MEDICATION. Premedications
D011939 Mental Recall The process whereby a representation of past experience is elicited. Recall, Mental
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005260 Female Females
D005425 Flicker Fusion The point or frequency at which all flicker of an intermittent light stimulus disappears. Flicker Fusions,Fusion, Flicker,Fusions, Flicker
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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