A Comparative Analysis and Results of Carotid Interventions Based on Duplex Ultrasound as a Single Exam Versus Multiple Diagnose Exams

Soares, Rafael de Athayde; Ferreira, Zêmia Maria Câmara Costa; Campos, Ana Beatriz Campelo; Matielo, Marcelo Fernando; Pecego, Christiano Stchelkunoff; Sacilotto, Roberto

doi:10.1016/j.avsg.2023.06.022

Annals of Vascular Surgery

2024

DOI: 10.1016/j.avsg.2023.06.022

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A Comparative Analysis and Results of Carotid Interventions Based on Duplex Ultrasound as a Single Exam Versus Multiple Diagnose Exams

Rafael de Athayde Soares

Zêmia Maria Câmara Costa Ferreira

Ana Beatriz Campelo Campos

et al.

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2024

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Cited by 2 publications

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Evaluation of Carotid Stenosis in a High‐Stroke‐Risk Population by Hemodynamic Dual‐Parameters Based on Ultrasound Vector Flow Imaging

Hong,

Dong,

Gao

et al. 2024

Brain and Behavior

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ObjectiveThis study explored the feasibility of using high‐frame‐rate ultrasound vector flow imaging (VFI) to quantitatively assess hemodynamics in atherosclerotic internal carotid artery stenosis (ICAS) by evaluating dual‐parameters, turbulence index (Tur), and wall shear stress (WSS). Their efficacy in evaluating carotid artery stenosis was also analyzed.MethodsFifty‐nine patients with ICAS were enrolled. B‐mode ultrasound and V Flow (a high‐frame‐rate VFI) were performed using the Resona R9 system. The stenosis rate was measured in grayscale mode, whereas the time‐averaged Tur index, the time‐averaged WSS (WSSmean), and maximum WSS (WSSmax) around stenosis were measured. The combined diagnostic efficacy of Tur inand WSS was also investigated.ResultsCompared to proximal to stenosis (Tur index, 2.88% ± 3.65%), highly disordered blood flow was observed in the stenotic (23.17% ± 15.52%, p < 0.001) and distal segment (25.86% ± 17.29%, p < 0.001). WSSmax ([11.91 ± 6.73] vs. [4.43 ± 5.4] Pa, p < 0.001) and WSSmean ([3.42 ± 2.67] vs. [0.86 ± 1.21] Pa, p < 0.001) were significantly bigger in stenotic than those in the distal segment. The differences in the ratio WSSmax/Tur or WSSmean/Tur among different segments around stenosis were statistically significant (p < 0.001). The combination of Tur index and WSS had the best diagnostic performance in ICAS (AUC, 0.899).ConclusionThe application of Tur index and WSS for quantitative assessment of ICAS hemodynamic changes is feasible, with the combined evaluation of these two parameters providing incremental diagnostic value for carotid artery stenosis. VFI‐based dual quantitative parameters may offer promising noninvasive diagnostic tools for carotid artery stenosis in high‐stroke‐risk populations.

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Evaluation of Carotid Stenosis in a High‐Stroke‐Risk Population by Hemodynamic Dual‐Parameters Based on Ultrasound Vector Flow Imaging

Hong,

Dong,

Gao

et al. 2024

Brain and Behavior

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Carotid endarterectomy has lower stroke risk than carotid artery stenting for patients with asymptomatic carotid stenosis and chronic kidney disease

Li,

Thompson,

Peshel

et al. 2024

Current Problems in Surgery

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A Comparative Analysis and Results of Carotid Interventions Based on Duplex Ultrasound as a Single Exam Versus Multiple Diagnose Exams

Cited by 2 publications

References 18 publications

Evaluation of Carotid Stenosis in a High‐Stroke‐Risk Population by Hemodynamic Dual‐Parameters Based on Ultrasound Vector Flow Imaging

Evaluation of Carotid Stenosis in a High‐Stroke‐Risk Population by Hemodynamic Dual‐Parameters Based on Ultrasound Vector Flow Imaging

Carotid endarterectomy has lower stroke risk than carotid artery stenting for patients with asymptomatic carotid stenosis and chronic kidney disease

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