Paper Info
Title
Effect of respiratory-induced intensity variations on finger SpO2 measurements in volunteers.
Abstract
Photoplethysmographic (PPG) signals were recorded from the fingers of 16 healthy volunteers with periods of timed and forced respiration. The aim of this pilot study was to compare estimations of arterial oxygen saturation (SpO2) recorded using a dedicated pulse oximetry system while subjects were breathing regularly with and without a mouthpiece containing a flow resistor. The experiments were designed to mimic the effects of mechanical ventilation in anesthetized patients. The effect of estimated airway pressures of ± 15 cmH2O caused observable modulation in the recorded red and PPG signals. SpO2 values were calculated from the pre-recorded PPG signals. Mean SpO2 values were 95.4% with the flow resistor compared with 97.3% with no artificial resistance, with statistical significance demonstrated using a Student's t-test (P = 0.006).
Year
DOI
Venue
2013
10.1109/EMBC.2013.6610406
EMBC
Keywords
DocType
Volume
oximetry,respiratory-induced intensity variation,photoplethysmography,arterial oxygen saturation estimation,finger spo2 measurement,photoplethysmographic signal,student's t-test,forced respiration,statistical analysis,regular breathing,estimated airway pressure,pneumodynamics,ppg signal,timed respiration,spo2 values,anesthetized patient,flow resistor,mechanical ventilation,dedicated pulse oximetry system
Conference
2013
ISSN
Citations 
PageRank 
1557-170X
0
0.34
References 
Authors
0
4
Name
Order
Citations
PageRank
Justin P Phillips100.68
Alla Belhaj221.11
R. M. Langford362.62
P A Kyriacou42016.60