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Apnea bradycardia detection based on new coupled hidden semi Markov model.

Abstract：

:In this paper, a method for apnea bradycardia detection in preterm infants is presented based on coupled hidden semi Markov model (CHSMM). CHSMM is a generalization of hidden Markov models (HMM) used for modeling mutual interactions among different observations of a stochastic process through using finite number of hidden states with corresponding resting time. We introduce a new set of equations for CHSMM to be integrated in a detection algorithm. The detection algorithm was evaluated on a simulated data to detect a specific dynamic and on a clinical dataset of electrocardiogram signals collected from preterm infants for early detection of apnea bradycardia episodes. For simulated data, the proposed algorithm was able to detect the desired dynamic with sensitivity of 96.67% and specificity of 98.98%. Furthermore, the method detected the apnea bradycardia episodes with 94.87% sensitivity and 96.52% specificity with mean time delay of 0.73 s. The results show that the algorithm based on CHSMM is a robust tool for monitoring of preterm infants in detecting apnea bradycardia episodes. Graphical Abstract Apnea Bradycardia detection using Coupled hidden semi Markov Model from electrocardiography. In this model, a sequence of hidden states is assigned to each observation based on the effects of previous states of all observations.

journal_name

Med Biol Eng Comput

journal_title

Medical & biological engineering & computing

authors

Montazeri Ghahjaverestan N,Shamsollahi MB,Ge D,Beuchée A,Hernández AI

doi

10.1007/s11517-020-02277-8

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

1-11

issue

1

eissn

0140-0118

issn

1741-0444

pii

10.1007/s11517-020-02277-8

journal_volume

59

pub_type

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