Mark Grubb
Forehead reflectance photoplethysmography to monitor heart rate: preliminary results from neonatal patients
Grubb, Mark; Carpenter, James; Crowe, John A.; Teoh, Jeremy; Marlow, Neil; Ward, Carole; Mann, Chantelle; Sharkey, Don; Hayes-Gill, Barrie R.
Authors
James Carpenter
John A. Crowe
Jeremy Teoh
Neil Marlow
Carole Ward
Chantelle Mann
DON SHARKEY don.sharkey@nottingham.ac.uk
Professor of Neonatal Medicine and Technologies
BARRIE HAYES-GILL BARRIE.HAYES-GILL@NOTTINGHAM.AC.UK
Professor of Electronic Systems and Medical Devices
Abstract
Around 5%–10% of newborn babies require some form of resuscitation at birth and heart rate (HR) is the best guide of efficacy. We report the development and first trial of a device that continuously monitors neonatal HR, with a view to deployment in the delivery room to guide newborn resuscitation. The device uses forehead reflectance photoplethysmography (PPG) with modulated light and lock-in detection. Forehead fixation has numerous advantages including ease of sensor placement, whilst perfusion at the forehead is better maintained in comparison to the extremities. Green light (525 nm) was used, in preference to the more usual red or infrared wavelengths, to optimize the amplitude of the pulsatile signal. Experimental results are presented showing simultaneous PPG and electrocardiogram (ECG) HRs from babies (n = 77), gestational age 26–42 weeks, on a neonatal intensive care unit. In babies ≥32 weeks gestation, the median reliability was 97.7% at ±10 bpm and the limits of agreement (LOA) between PPG and ECG were +8.39 bpm and −8.39 bpm. In babies <32 weeks gestation, the median reliability was 94.8% at ±10 bpm and the LOA were +11.53 bpm and −12.01 bpm. Clinical evaluation during newborn deliveries is now underway.
Citation
Grubb, M., Carpenter, J., Crowe, J. A., Teoh, J., Marlow, N., Ward, C., Mann, C., Sharkey, D., & Hayes-Gill, B. R. (2014). Forehead reflectance photoplethysmography to monitor heart rate: preliminary results from neonatal patients. Physiological Measurement, 35(5), https://doi.org/10.1088/0967-3334/35/5/881
Journal Article Type | Article |
---|---|
Publication Date | Apr 17, 2014 |
Deposit Date | May 8, 2014 |
Publicly Available Date | May 8, 2014 |
Journal | Physiological Measurement |
Print ISSN | 0967-3334 |
Electronic ISSN | 1361-6579 |
Publisher | IOP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 35 |
Issue | 5 |
DOI | https://doi.org/10.1088/0967-3334/35/5/881 |
Keywords | photoplethysmography, neonatal, resuscitation, heart rate, delivery room |
Public URL | https://nottingham-repository.worktribe.com/output/726840 |
Publisher URL | http://iopscience.iop.org/0967-3334/35/5/881/ |
Files
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
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