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用英普咪定(一种新型特异性组胺-H2受体激动剂)对人体胃黏膜血流及胃酸分泌变化的研究

Gastric mucosal blood flow and acid secretory changes in man with impromidine: a new specific histamine-H2-receptor agonist.

作者信息

McIsaac R L, Johnston B J, Fielding L P

出版信息

Gut. 1981 Jul;22(7):529-33. doi: 10.1136/gut.22.7.529.

Abstract

The effect of impromidine, a new histamine-H2-receptor agonist, on gastric mucosal blood flow (neutral red clearance) and acid secretion was studied in nine volunteers. Impromidine stimulated a dose-dependent increase in neutral red clearance and acid secretion. Simultaneous cimetidine in three doses caused a parallel shift to the right for both acid output and clearance with unchanged maxima compatible with simple surmountable antagonism. There were small cardiovascular changes: an increased heart rate with a decreased diastolic pressure during infusion of impromidine. These changes were antagonised by cimetidine.

摘要

在9名志愿者中研究了新型组胺H2受体激动剂英普咪定对胃黏膜血流(中性红清除率)和胃酸分泌的影响。英普咪定刺激中性红清除率和胃酸分泌呈剂量依赖性增加。同时给予三种剂量的西咪替丁,导致胃酸分泌量和清除率的剂量反应曲线平行右移,最大值不变,符合简单的可克服性拮抗作用。有轻微的心血管变化:输注英普咪定时心率增加,舒张压降低。这些变化被西咪替丁拮抗。

相似文献

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Histamine H2 receptors and intrinsic factor secretion.组胺H2受体与内因子分泌
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Clinical experience with impromidine, a highly specific H2-receptor agonist.
Digestion. 1981;22(4):196-202. doi: 10.1159/000198645.

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