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Automated criterion-based analysis for Cole parameters assessment from cerebral neonatal electrical bioimpedance spectroscopy measurements
University of Borås, School of Engineering.
University of Borås, School of Engineering.
2012 (English)In: Physiological Measurement, ISSN 0967-3334, E-ISSN 1361-6579, Vol. 33, no 8, 1363-1377 p.Article in journal (Refereed)
Abstract [en]

Hypothermia has been proven as an effective rescue therapy for infants with moderate or severe neonatal hypoxic ischemic encephalopathy. Hypoxia-ischemia alters the electrical impedance characteristics of the brain in neonates; therefore, spectroscopic analysis of the cerebral bioimpedance of the neonate may be useful for the detection of candidate neonates eligible for hypothermia treatment. Currently, in addition to the lack of reference bioimpedance data obtained from healthy neonates, there is no standardized approach established for bioimpedance spectroscopy data analysis. In this work, cerebral bioimpedance measurements (12 h postpartum) in a cross-section of 84 term and near-term healthy neonates were performed at the bedside in the post-natal ward. To characterize the impedance spectra, Cole parameters (R(0), R(∞), f(C) and α) were extracted from the obtained measurements using an analysis process based on a best measurement and highest likelihood selection process. The results obtained in this study complement previously reported work and provide a standardized criterion-based method for data analysis. The availability of electrical bioimpedance spectroscopy reference data and the automatic criterion-based analysis method might support the development of a non-invasive method for prompt selection of neonates eligible for cerebral hypothermic rescue therapy.

Place, publisher, year, edition, pages
Institute of Physics Publishing Ltd. , 2012. Vol. 33, no 8, 1363-1377 p.
Keyword [en]
Neuroscience, Medicinteknik
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hb:diva-1388DOI: 10.1088/0967-3334/33/8/1363ISI: 000306760300010PubMedID: 22828035Local ID: 2320/11645OAI: oai:DiVA.org:hb-1388DiVA: diva2:869443
Available from: 2015-11-13 Created: 2015-11-13

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CiteExportLink to record
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Citation style
  • apa
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