POSTOPERATIVE HYPOXEMIA - MECHANISMS AND TIME COURSE

被引：90

作者：

JONES, JG

SAPSFORD, DJ

WHEATLEY, RG

机构：

[1] YORK DIST GEN HOSP,YORK YO3 6UJ,ENGLAND

[2] UNIV LEEDS,DEPT DENT,LEEDS LS2 9LN,W YORKSHIRE,ENGLAND

来源：

ANAESTHESIA | 1990年 / 45卷 / 07期

关键词：

Hypoxia; postoperative; Lung; atelectasis;

D O I：

10.1111/j.1365-2044.1990.tb14833.x

中图分类号：

R614 [麻醉学];

学科分类号：

100217 ;

摘要：

Postoperative hypoxaemia results predominantly from two mechanisms. Gas exchange is impaired during anaesthesia as a result of reduced tone in the muscles of the chest wall and probably alterations in bronchomotor and vascular tone, and the resulting changes persist into the postoperative period. In addition, there is an abnormality of control of breathing, which results in episodic obstructive apnoea. These episodes continue for several days after operation and are related to sleep pattern and analgesic administration, although the precise effects of different analgesic regimens have not been evaluated. Oxygen administration is effect in reducing the degree of hypoxaemia. Copyright © 1990, Wiley Blackwell. All rights reserved

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页码：566 / 573

页数：8

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