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Use of Pulse Oximetry for Monitoring Tracheostomy Tube Obstruction

 

作者: Avasarala Jagannadha Rao,   Torn Komatsu,   Motoshi Kainuma,   Taku Koh,   Yasuhiro Shimada,   Noriyuki Yanagita,   Tsutumo Nakashima,  

 

期刊: ORL  （Karger Available online 1988）
卷期: Volume 50, issue 5  

页码: 345-348

 

ISSN:0301-1569

 

年代: 1988

 

DOI:10.1159/000276011

 

出版商: S. Karger AG

 

关键词: Pulse oximetry;Tracheostomy tube obstruction

 

数据来源: Karger

 

摘要:

Experimental studies were performed on dogs for monitoring postoperative tracheostomy tube obstruction using a pulse oximeter. While a 25% obstruction of the cross-sectional area of the tube did not alter the oxygen saturation, obstruction of 40% and above resulted in a drop in the oxygen saturation level which corresponded to the degree of obstruction. The greater the degree of obstruction, the sooner was the fall of oxygen saturation. Therefore a pulse oximeter could be effectively put to use to monitor tracheostomy tube obstruction.

 

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