Effects of diazepam and chlormethiazole on ventilatory control in normal subjects.

Abstract:

:We have studied the effects of chlormethiazole and diazepam given orally on the ventilatory and mouth occlusion pressure (P0.1) responses to CO2 in a placebo controlled study in 10 healthy volunteers. Diazepam 10 mg produced a significant reduction in both the ventilatory and P0.1 responses to CO2, and this was not associated with any effect on respiratory muscle power. Chlormethiazole 250 mg produced less drowsiness than diazepam 10 mg. Therefore in a subsequent study chlormethiazole 500 mg was compared with placebo. Chlormethiazole in either dose had no effect on CO2 responses or on maximum static respiratory pressures. We conclude that diazepam has a direct depressant effect on chemoreceptors and its effects on indices of ventilatory control are not due to impaired muscle function; chlormethiazole in the doses used has no such effects despite producing drowsiness.

journal_name

Br J Clin Pharmacol

authors

Gilmartin JJ,Corris PA,Stone TN,Veale D,Gibson GJ

doi

10.1111/j.1365-2125.1988.tb05266.x

subject

Has Abstract

pub_date

1988-06-01 00:00:00

pages

766-70

issue

6

eissn

0306-5251

issn

1365-2125

journal_volume

25

pub_type

临床试验,杂志文章
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    pub_type: 杂志文章,多中心研究

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    pub_type: 临床试验,杂志文章,随机对照试验

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    journal_title:British journal of clinical pharmacology

    pub_type: 临床试验,杂志文章,随机对照试验

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