A closed-loop system for control of the fraction of inspired oxygen and the positive end-expiratory pressure in mechanical ventilation

被引：27
|
作者：
Tehrani, Fleur T. [1 ]
机构：
[1] Calif State Univ Fullerton, Dept Elect Engn, Fullerton, CA 92831 USA
来源：
COMPUTERS IN BIOLOGY AND MEDICINE | 2012年 / 42卷 / 11期
关键词：
Mechanical ventilation; Oxygen; Closed-loop control; Fraction of inspired oxygen; Positive end-expiratory pressure; ADAPTIVE-CONTROL; NEWBORN-INFANTS; CARDIAC-OUTPUT; MODEL;
D O I：
10.1016/j.compbiomed.2012.09.007
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A system for automatic control of the fraction of inspired oxygen (F-IO2), and positive end-expiratory pressure (PEEP) for patients on mechanical ventilation is presented. In this system, F-IO2 is controlled by using two interacting mechanisms; a fine control mechanism and a fast stepwise procedure used when patient's oxygen saturation level (S-pO2) falls abruptly. The PEEP level is controlled automatically and in relation to F-IO2 to prevent hypoxemia. The system has been tested by using bench studies and computer simulations. The results show the potential of the system as an aide in effective oxygenation of patients on mechanical ventilation. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1150 / 1156
页数：7
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