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

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Article in TheScientificWorldJournal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Bilateral photoplethysmography analysis for arteriovenous fistula dysfunction screening with fractional-order feature and cooperative game-based embedded detector.Healthcare technology letters · 2015
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5 · Who and what money

Authors and funding

6 authors.

Jian-Xing WuDepartment of Biomedical Engineering, National Cheng Kung University, Tainan City 70101, Taiwan.

Yi-Chun DuDepartment of Electrical Engineering, Southern Taiwan University of Science and Technology, Tainan City 71005, Taiwan.

Ming-Jui WuDepartment of Internal Medicine, Kaohsiung Veterans General Hospital, Tainan Branch, Tainan City 71051, Taiwan.

Chien-Ming LiDivision of Infectious Diseases, Department of Medicine of Chi Mei Medical Center, Tainan City 71004, Taiwan.

Chia-Hung LinDepartment of Electrical Engineering, Kao Yuan University, Kaohsiung City 82151, Taiwan.

Tainsong ChenDepartment of Biomedical Engineering, National Cheng Kung University, Tainan City 70101, Taiwan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

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 (Re(supra)) 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.

Indexed as

Arteriovenous Shunt, SurgicalHemodynamicsUltrasonography, Doppler, ColorHumansRenal Dialysis

Identifiers

PMID24892039

DOI10.1155/2014/203148

PMCPMC4032682

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.