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Development of a Reflectance Fibre-Optic Pulse Oximetry Probe for Use in Abdominal Organs

Kyriacou, P. A. and Hickey, M. (2007). Development of a Reflectance Fibre-Optic Pulse Oximetry Probe for Use in Abdominal Organs. Paper presented at the The Annual National Conference of the Institute of Physics and Engineering in Medicine (IPEM 2007), 10-12 Sep 2007, Cardiff, UK.

Abstract

The early detection of inadequate splanchnic tissue oxygenation would reduce the risk of hypoperfusion, severe ischaemia, and multiple organ failure [1]. None of the currently available methods provide continuous monitoring of splanchnic perfusion pre-operatively, operatively and post-operatively. In an attempt to overcome these limitations, a new fibre-optic probe utilizing the principle of reflectance pulse oximetry was developed. The separation distance between the source and detector fibres of the probe has a direct impact on the quality of the photoplethysmographic (PPG) signal and the accurate estimation of blood oxygen saturation (SpO2) [2]. Prior to finalising the probe design, an investigation was conducted to establish the optimum source-detector separation.

Publication Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: School of Mathematics, Computer Science & Engineering > Engineering
School of Mathematics, Computer Science & Engineering > Engineering > Electrical & Electronic Engineering
URI: http://openaccess.city.ac.uk/id/eprint/14300
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