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Synchronization between arterial blood pressure and cerebral oxyhaemoglobin concentration investigated by wavelet cross-correlation

Abstract:

Wavelet cross-correlation (WCC) is used to analyse the relationship between low-frequency oscillations in near-infrared spectroscopy (NIRS) measured cerebral oxyhaemoglobin (O2Hb) and mean arterial blood pressure (MAP) in patients suffering from autonomic failure and age-matched controls. Statistically significant differences are found in the wavelet scale of maximum cross-correlation upon posture change in patients, but not in controls. We propose that WCC analysis of the relationship betwee...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1088/0967-3334/28/2/005

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Institution:
University of Oxford
Research group:
Computational Biology / Signal Processing
Oxford college:
St Catherine's College
Role:
Author
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Institution:
University of Oxford
Research group:
Physiological Modelling Through Monitoring, Modelling and Analysis
Oxford college:
Keble College
Role:
Author
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Institution:
University College London
Role:
Author
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Institution:
University of Oxford
Research group:
Signal Processing and Artificial Neural Networks
Oxford college:
Wolfson College
Role:
Author
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Institution:
University of Oxford
Oxford college:
Wolfson College
Role:
Author
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Funding agency for:
A B Rowley
Grant:
GR/S58119/01
Publisher:
IOP Publishing Publisher's website
Journal:
Physiological Measurement Journal website
Volume:
28
Issue:
2
Pages:
161-173
DOI:
EISSN:
1361-6579
ISSN:
0967-3334

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