Relationship between shunt sounds at anastomotic sites and mean brachial artery blood flow and vascular resistance index according to Doppler ultrasound

Yosuke Nishiura; Keisuke Ota; Toshie Kobayashi; Akane Kurachi; Keiko Murase; Masataka Ishiguro; Tsuyako Hirano; Yuichi Ito; Atsuki Ide; Takayuki Hamano

doi:10.4009/jsdt.55.215

January 1, 2022Nihon Toseki Igakkai ZasshiOpen Access

Relationship between shunt sounds at anastomotic sites and mean brachial artery blood flow and vascular resistance index according to Doppler ultrasound

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Key Points

To determine whether acoustic features of shunt sounds at anastomotic sites correlate with Doppler ultrasound parameters of mean brachial artery flow volume and vascular resistance index.
Quantified acoustic sound characteristics at the vascular shunt anastomotic site using artificial intelligence.
Compared acoustic findings against Doppler ultrasound measurements of brachial artery mean flow volume (mFV) and resistance index (RI).
Shunt sound intensity at the anastomosis site correlated with mean brachial artery blood flow volume (mFV).
Doppler-derived vascular resistance index (RI) showed a weak correlation with intermittent sound patterns classified by artificial intelligence.

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Implication

Demonstrates that anastomotic shunt sound intensity correlates with Doppler-measured brachial artery blood flow, suggesting acoustic monitoring can indirectly track vascular access status.

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Nishiura et al. (2022) studied this question.

synapsesocial.com/papers/6a9414edd287e05b3a9c57d2 https://doi.org/10.4009/jsdt.55.215

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Relationship between shunt sounds at anastomotic sites and mean brachial artery blood flow and vascular resistance index according to Doppler ultrasound

Key Points

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Implication

Abstract

Discussion

Cite This Study

Relationship between shunt sounds at anastomotic sites and mean brachial artery blood flow and vascular resistance index according to Doppler ultrasound

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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