前驱晕厥和体位变化对水合及脱水状态下人体血浆精氨酸加压素浓度的影响。
Influence of presyncope and postural change upon plasma arginine vasopressing concentration in hydrated and dehydrated man.
作者信息
Baylis P H, Heath D A
出版信息
Clin Endocrinol (Oxf). 1977 Jul;7(1):79-83. doi: 10.1111/j.1365-2265.1977.tb02942.x.
Abstract
Plasma arginine vasopressin concentrations were measured in five healthy volunteers during postural change under conditions of dehydration and normal hydration. A rise in plasma arginine vasopressin was observed only after dehydration and standing for 40 min. Five further volunteers who developed presyncopal symptoms during orthostasis had exceedingly high plasma arginine vasopressin levels. Changes in plasma arginine vasopressin concentration occurred with no signficant alterations in plasma osmolality.
摘要
在脱水和正常水合状态下，对五名健康志愿者在体位改变过程中测量血浆精氨酸加压素浓度。仅在脱水并站立40分钟后观察到血浆精氨酸加压素升高。另外五名在直立性低血压期间出现晕厥前症状的志愿者血浆精氨酸加压素水平极高。血浆精氨酸加压素浓度发生变化时，血浆渗透压无明显改变。
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