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The Study of Transesophageal Oxygen Saturation Monitoring
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Author(s): Zhiqiang Zhang (Sichuan University, China), Bo Gao (Sichuan University, China), Guojie Liao (Sichuan University, China), Ling Mu (West China Hospital, China)and Wei Wei (West China Hospital, China)
Copyright: 2011
Pages: 10
Source title:
Clinical Technologies: Concepts, Methodologies, Tools and Applications
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-60960-561-2.ch813
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Abstract
In this chapter, the transesophageal oxygen saturation (SpO2) monitoring system was proposed based on the early experiments, to provide a new program of SpO2 acquisition and analysis and avoid the limitation of traditional methods. The PPG (photoplethysmographic) signal of descending aorta and left ventricular was monitored in the experiment. The analysis of the peak-to-peak values, the standard deviation and the position of peaks in signal waveforms showed that in vivo signal was more stable and sensitive; and the physiological information was reflected in the left ventricular PPG waveform. Therefore, it can be concluded that the transesophageal SpO2 monitoring technology has better guidance in clinical applications.
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