Paper Info
Title
A new fibre optic pulse oximeter probe for monitoring splanchnic organ arterial blood oxygen saturation.
Abstract
A new, continuous method of monitoring splanchnic organ oxygen saturation (SpO(2)) would make the early detection of inadequate tissue oxygenation feasible, reducing the risk of hypoperfusion, severe ischaemia, and, ultimately, death. In an attempt to provide such a device, a new fibre optic based reflectance pulse oximeter probe and processing system were developed followed by an in vivo evaluation of the technology on seventeen patients undergoing elective laparotomy. Photoplethysmographic (PPG) signals of good quality and high signal-to-noise ratio were obtained from the small bowel, large bowel, liver and stomach. Simultaneous peripheral PPG signals from the finger were also obtained for comparison purposes. Analysis of the amplitudes of all acquired PPG signals indicated much larger amplitudes for those signals obtained from splanchnic organs than those obtained from the finger. Estimated SpO(2) values for splanchnic organs showed good agreement with those obtained from the finger fibre optic probe and those obtained from a commercial device. These preliminary results suggest that a miniaturized 'indwelling' fibre optic sensor may be a suitable method for pre-operative and post-operative evaluation of splanchnic organ SpO(2) and their health.
Year
DOI
Venue
2012
10.1016/j.cmpb.2011.03.019
Computer Methods and Programs in Biomedicine
Keywords
Field
DocType
— fibre optics,pulse oximetry,photoplethys- mography,perfusion,splanchnic organs.
Biomedical engineering,Pulse (signal processing),Oxygenation,Splanchnic Circulation,Artificial intelligence,Surgery,Splanchnic,Medicine,Computer vision,Arterial blood,Photoplethysmogram,Plethysmograph,Pulse oximetry
Journal
Volume
Issue
ISSN
108
3
1872-7565
Citations 
PageRank 
References 
3
0.67
0
Authors
5
Name
Order
Citations
PageRank
M Hickey131.34
N Samuels230.67
N Randive330.67
R Langford430.67
P A Kyriacou551.95