Analysis of the QRS complex for apnea-bradycardia characterization in preterm infants. - Archive ouverte HAL Access content directly
Journal Articles Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Year : 2009

Analysis of the QRS complex for apnea-bradycardia characterization in preterm infants.

(1, 2) , (3) , (2) , (1, 4) , (3) , (3)
1
2
3
4

Abstract

This work presents an analysis of the information content of new features derived from the electrocardiogram (ECG) for the characterization of apnea-bradycardia events in preterm infants. Automatic beat detection and segmentation methods have been adapted to the ECG signals from preterm infants, through the application of two evolutionary algorithms. ECG data acquired from 32 preterm infants with persistent apnea-bradycardia have been used for quantitative evaluation. The adaptation procedure led to an improved sensitivity and positive predictive value, and a reduced jitter for the detection of the R-wave, QRS onset, QRS offset, and iso-electric level. Additionally, time series representing the RR interval, R-wave amplitude and QRS duration, were automatically extracted for periods at rest, before, during and after apnea-bradycardia episodes. Significant variations (p<0.05) were observed for all time-series when comparing the difference between values at rest versus values just before the bradycardia event, with the difference between values at rest versus values during the bradycardia event. These results reveal changes in the R-wave amplitude and QRS duration, appearing at the onset and termination of apnea-bradycardia episodes, which could be potentially useful for the early detection and characterization of these episodes.
Fichier principal
Vignette du fichier
ieee_embc_altuve_2009.pdf (80.63 Ko) Télécharger le fichier
Vignette du fichier
inserm-00439966_edited.pdf (197.38 Ko) Télécharger le fichier
Origin : Files produced by the author(s)
Origin : Files produced by the author(s)
Loading...

Dates and versions

inserm-00439966 , version 1 (10-12-2009)

Identifiers

Cite

Miguel Altuve, Guy Carrault, Julio Cruz, Alain Beuchée, Patrick Pladys, et al.. Analysis of the QRS complex for apnea-bradycardia characterization in preterm infants.. Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference, 2009, 1, pp.946-9. ⟨10.1109/IEMBS.2009.5333153⟩. ⟨inserm-00439966⟩
121 View
446 Download

Altmetric

Share

Gmail Facebook Twitter LinkedIn More