Multiple-site hemodynamic analysis of doppler ultrasound with an adaptive color relation classifier for arteriovenous access occlusion evaluation

Jian Xing Wu, Yi Chun Du, Ming Jui Wu, Chien Ming Li, Chia Hung Lin, Tainsong Chen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study proposes multiple-site hemodynamic analysis of Doppler ultrasound with an adaptive color relation classifier for arteriovenous access occlusion evaluation in routine examinations. The hemodynamic analysis is used to express the properties of blood flow through a vital access or a tube, using dimensionless numbers. An acoustic measurement is carried out to detect the peak-systolic and peak-diastolic velocities of blood flow from the arterial anastomosis sites (A) to the venous anastomosis sites (V). The ratio of the supracritical Reynolds (R e s u p r a) number and the resistive (Res) index quantitates the degrees of stenosis (DOS) at multiple measurement sites. Then, an adaptive color relation classifier is designed as a nonlinear estimate model to survey the occlusion level in monthly examinations. For 30 long-term follow-up patients, the experimental results show the proposed screening model efficiently evaluates access occlusion.

Original languageEnglish
Article number203148
JournalScientific World Journal
Volume2014
DOIs
Publication statusPublished - 2014 Jan 1

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Doppler Ultrasonography
Hemodynamics
Blood
Classifiers
Color
Ultrasonics
blood
dimensionless number
Nonlinear Dynamics
Blood Flow Velocity
Acoustics
Screening
Pathologic Constriction
acoustics
evaluation
analysis
ultrasound
Surveys and Questionnaires
index
screening

All Science Journal Classification (ASJC) codes

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)

Cite this

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abstract = "This study proposes multiple-site hemodynamic analysis of Doppler ultrasound with an adaptive color relation classifier for arteriovenous access occlusion evaluation in routine examinations. The hemodynamic analysis is used to express the properties of blood flow through a vital access or a tube, using dimensionless numbers. An acoustic measurement is carried out to detect the peak-systolic and peak-diastolic velocities of blood flow from the arterial anastomosis sites (A) to the venous anastomosis sites (V). The ratio of the supracritical Reynolds (R e s u p r a) number and the resistive (Res) index quantitates the degrees of stenosis (DOS) at multiple measurement sites. Then, an adaptive color relation classifier is designed as a nonlinear estimate model to survey the occlusion level in monthly examinations. For 30 long-term follow-up patients, the experimental results show the proposed screening model efficiently evaluates access occlusion.",
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Multiple-site hemodynamic analysis of doppler ultrasound with an adaptive color relation classifier for arteriovenous access occlusion evaluation. / Wu, Jian Xing; Du, Yi Chun; Wu, Ming Jui; Li, Chien Ming; Lin, Chia Hung; Chen, Tainsong.

In: Scientific World Journal, Vol. 2014, 203148, 01.01.2014.

Research output: Contribution to journalArticle

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AU - Wu, Jian Xing

AU - Du, Yi Chun

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AU - Lin, Chia Hung

AU - Chen, Tainsong

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