Pharmacodynamic monitoring during acute intervention in ischaemic heart disease using a new echo-Doppler device.

Abstract:

:1. We have utilised a new non-imaging echo-Doppler cardiac output device, using the principle of attenuated compensated volume flow (ACVF), to assess the cardiovascular effects of atenolol and buccal nitroglycerin (NTG) in a placebo-controlled study of 30 patients with coronary disease. 2. Atenolol (4 mg i.v.) reduced heart rate, cardiac output and time-averaged mean aortic velocity (P less than 0.01) and increased systemic vascular resistance (P less than 0.01). 3. Buccal NTG (5 mg) reduced systemic mean arterial pressure (P less than 0.01), cardiac stroke volume (P less than 0.05) and stroke length (P less than 0.01). 4. Thus although both drugs reduced time-averaged aortic velocity (an index of cardiac performance), the concomitant reduction in cardiac stroke length and tachycardia suggested sub-optimal cardiac filling for buccal NTG, whereas for atenolol (with the associated increased systemic vascular resistance but unchanged stroke length) attenuation of sympathetic stimulation at cardiac beta-adrenoceptors. 5. The ACVF method of cardiovascular monitoring should prove useful in human pharmacodynamic studies.

journal_name

Br J Clin Pharmacol

authors

Silke B,Verma SP,Taylor SH

doi

10.1111/j.1365-2125.1990.tb03696.x

subject

Has Abstract

pub_date

1990-06-01 00:00:00

pages

741-7

issue

6

eissn

0306-5251

issn

1365-2125

journal_volume

29

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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    更新日期:1978-09-01 00:00:00

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    更新日期:1977-01-01 00:00:00

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    doi:10.1111/j.1365-2125.1981.tb01856.x

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    更新日期:1985-01-01 00:00:00

  • Influence of chronic dosing on theophylline clearance.

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    pub_type: 杂志文章

    doi:10.1111/j.1365-2125.1984.tb02385.x

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    更新日期:1984-05-01 00:00:00

  • The influence of urinary pH on flecainide excretion and its serum pharmacokinetics.

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    doi:10.1046/j.1365-2125.1998.00793.x

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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

    doi:10.1111/j.1365-2125.1989.tb05337.x

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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

    doi:10.1111/j.1365-2125.1987.tb03157.x

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    pub_type: 杂志文章,评审

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    pub_type: 杂志文章

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    pub_type: 杂志文章,meta分析

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    更新日期:2019-12-01 00:00:00

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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

    doi:10.1046/j.1365-2125.1999.00972.x

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    更新日期:1999-07-01 00:00:00

  • Plethysmography and impulse oscillometry assessment of tiotropium and ipratropium bromide; a randomized, double-blind, placebo-controlled, cross-over study in healthy subjects.

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    journal_title:British journal of clinical pharmacology

    pub_type: 杂志文章,随机对照试验

    doi:10.1111/j.1365-2125.2006.02594.x

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    更新日期:2006-04-01 00:00:00

  • Digoxin measurements in general practice.

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    doi:10.1111/j.1365-2125.1977.tb00720.x

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  • Plasma protein-binding and CSF concentrations of valproic acid in man following acute oral dosing.

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    pub_type: 杂志文章

    doi:10.1111/j.1365-2125.1983.tb02179.x

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    更新日期:1983-10-01 00:00:00

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    pub_type: 临床试验,杂志文章,随机对照试验

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    pub_type: 杂志文章

    doi:10.1111/j.1365-2125.1985.tb02802.x

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  • Once vs twice daily administration of a fixed combination of captopril plus hydrochlorothiazide in essential hypertension: a double-blind crossover study in known responders to a standard combination.

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    journal_title:British journal of clinical pharmacology

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    更新日期:1991-07-01 00:00:00