NDLI: Analyzing heart rate variability in infants using non-linear Poincaré techniques

Content Provider	IEEE Xplore Digital Library
Author	Smith, R.L. Wathen, E.R. Abaci, P.C. Von Bergen, N.H. Law, I.H. Dick, M.D. Connor, C. Dove, E.L.
Copyright Year	2009
Description	Author affiliation: University of Michigan, Ann Arbor, USA (Dick, M.D.; Connor, C.) \|\| The University of Iowa, Iowa City, USA (Smith, R.L.; Wathen, E.R.; Abaci, P.C.; Von Bergen, N.H.; Law, I.H.; Dove, E.L.)
Abstract	Congenital heart defects, such as Hypoplastic Left Heart Syndrome, are the most prevalent type of birth defect. Palliative reconstructive procedures may interrupt autonomic cardiac function and increase infant mortality rate. Autonomic cardiac tone is classically assessed using linear, Fourier-based techniques. A non-linear Poincaré technique is proposed to more completely characterize heart rate variability in terms of short-term (SD1) and long-term (SD2) variability and randomness (SD1/SD2). 24-hour ECG data was collected for 27 normal infants (Group I) and 26 infants with congenital heart defects (Group II) and analyzed in five-minute segments. At birth, Group II showed reduced SD1 and SD2 and increased SD1/SD2 (p≪0.001). Post-procedure, greater SD1 and SD2 (p≪0.001) was seen in Group II. Poincaré analysis captures congenital differences in autonomic cardiac function and improvements over time.
Starting Page	673
Ending Page	676
File Size	197798
Page Count	4
File Format	PDF
ISBN	9781424472819
ISSN	02766547
e-ISBN	9781424472826
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Heart rate variability Pediatrics Birth disorders Frequency measurement Blood Cardiology Electrocardiography Frequency domain analysis Heart rate Resonant frequency
Content Type	Text
Resource Type	Article

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