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颈动脉分叉处的高帧率矢量血流成像。

High-frame rate vector flow imaging of the carotid bifurcation.

作者信息

Goddi Alfredo, Bortolotto Chandra, Fiorina Ilaria, Raciti Maria Vittoria, Fanizza Marianna, Turpini Elena, Boffelli Giulia, Calliada Fabrizio

机构信息

Centro Medico SME-Diagnostica per Immagini, 31, Via L. Pirandello, 21100, Varese, VA, Italy.

Radiology Department, Fondazione IRCCS Policlinico San Matteo Pavia, Pavia, Italy.

出版信息

Insights Imaging. 2017 Jun;8(3):319-328. doi: 10.1007/s13244-017-0554-5. Epub 2017 May 12.

DOI:10.1007/s13244-017-0554-5
PMID:28500487
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5438320/
Abstract

UNLABELLED

Carotid artery atherosclerotic disease is still a significant cause of cerebrovascular morbidity and mortality. A new angle-independent technique, measuring and visualizing blood flow velocities in all directions, called vector flow imaging (VFI) is becoming available from several vendors. VFI can provide more intuitive and quantitative imaging of vortex formation, which is not clearly distinguishable in the color Doppler image. VFI, as quantitative method assessing disturbed flow patterns of the carotid bifurcation, has the potential to allow better understanding of the diagnostic value of complex flow and to enhance risk stratification. This pictorial review article will show which new information VFI adds for the knowledge of hemodynamics in comparison to the conventional ultrasound techniques.

TEACHING POINTS

• VFI is an angle-independent technique measuring flow velocities in all directions. • This kind of VFI is based on a plane wave multidirectional excitation technique. • VFI allows quantitative assessment of carotid streamlines progression and visualizes vorticity. • VFI does not allow a precise comprehension of streamlines' 3D shape. • VFI allows a better understanding of carotid artery complex flows.

摘要

未标注

颈动脉粥样硬化疾病仍是脑血管发病和死亡的重要原因。一种新的与角度无关的技术，即测量和可视化各个方向血流速度的矢量血流成像（VFI），正由多家供应商提供。VFI能够提供更直观、定量的涡旋形成成像，这在彩色多普勒图像中无法清晰分辨。作为评估颈动脉分叉处紊乱血流模式的定量方法，VFI有可能更好地理解复杂血流的诊断价值并加强风险分层。这篇图片综述文章将展示与传统超声技术相比，VFI为血流动力学知识增添了哪些新信息。

教学要点

• VFI是一种测量各个方向血流速度的与角度无关的技术。• 这种VFI基于平面波多向激发技术。• VFI允许对颈动脉流线进展进行定量评估并可视化涡度。• VFI无法精确理解流线的三维形状。• VFI有助于更好地理解颈动脉复杂血流。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/8d8bb58603cf/13244_2017_554_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/dfe78a52361d/13244_2017_554_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/39e68eb8d01b/13244_2017_554_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/8b1e35e70fd4/13244_2017_554_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/f5ed60f41804/13244_2017_554_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/55afd7a2fa59/13244_2017_554_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/058293bcabb4/13244_2017_554_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/e9661c5bdf07/13244_2017_554_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/0dd81fb43e0d/13244_2017_554_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/15745093dca3/13244_2017_554_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/35b1b302baf9/13244_2017_554_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/7456e7f4792c/13244_2017_554_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/8d8bb58603cf/13244_2017_554_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/dfe78a52361d/13244_2017_554_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/39e68eb8d01b/13244_2017_554_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/8b1e35e70fd4/13244_2017_554_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/f5ed60f41804/13244_2017_554_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/55afd7a2fa59/13244_2017_554_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/058293bcabb4/13244_2017_554_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/e9661c5bdf07/13244_2017_554_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/0dd81fb43e0d/13244_2017_554_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/15745093dca3/13244_2017_554_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/35b1b302baf9/13244_2017_554_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/7456e7f4792c/13244_2017_554_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f5da/5438320/8d8bb58603cf/13244_2017_554_Fig12_HTML.jpg

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