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Dynamics and complexity of body temperature in preterm infants nursed in incubators
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 3925774
Author(s) Jost, Kerstin; Pramana, Isabelle; Delgado-Eckert, Edgar; Kumar, Nitin; Datta, Alexandre N.; Frey, Urs; Schulzke, Sven M.
Author(s) at UniBasel Delgado-Eckert, Edgar
Frey, Urs Peter
Year 2017
Title Dynamics and complexity of body temperature in preterm infants nursed in incubators
Journal PLoS ONE
Volume 12
Number 4
Pages / Article-Number e0176670
Mesh terms Body Size; Body Temperature; Body Temperature Regulation; Comorbidity; Female; Gestational Age; Humans; Incubators, Infant; Infant, Newborn; Infant, Premature, physiology; Linear Models; Male; Regression Analysis
Abstract Poor control of body temperature is associated with mortality and major morbidity in preterm infants. We aimed to quantify its dynamics and complexity to evaluate whether indices from fluctuation analyses of temperature time series obtained within the first five days of life are associated with gestational age (GA) and body size at birth, and presence and severity of typical comorbidities of preterm birth.; We recorded 3h-time series of body temperature using a skin electrode in incubator-nursed preterm infants. We calculated mean and coefficient of variation of body temperature, scaling exponent alpha (Talpha) derived from detrended fluctuation analysis, and sample entropy (TSampEn) of temperature fluctuations. Data were analysed by multilevel multivariable linear regression.; Data of satisfactory technical quality were obtained from 285/357 measurements (80%) in 73/90 infants (81%) with a mean (range) GA of 30.1 (24.0-34.0) weeks. We found a positive association of Talpha with increasing levels of respiratory support after adjusting for GA and birth weight z-score (p<0.001; R2 = 0.38).; Dynamics and complexity of body temperature in incubator-nursed preterm infants show considerable associations with GA and respiratory morbidity. Talpha may be a useful marker of autonomic maturity and severity of disease in preterm infants.
Publisher Public Library of Science
ISSN/ISBN 1932-6203
edoc-URL https://edoc.unibas.ch/64012/
Full Text on edoc Available
Digital Object Identifier DOI 10.1371/journal.pone.0176670
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/28448569
Document type (ISI) Journal Article
 
   

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