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Carotid Plaque Volume measured by Tomographic 3D Ultrasound Mr Steven K Rogers, Senior Clinical Vascular Scientist University of Manchester & MFT NHS FT

Tomographic 3D Ultrasound - MAC Conference 2020€¦ · Asymptomatic carotid surgery trial (ACST) N=3,120 follow-up 5 years Munich Vascular Conference (MAC) 2018 3 ipsilateral stroke

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  • Carotid Plaque Volume measured by Tomographic 3D Ultrasound

    Mr Steven K Rogers,Senior Clinical Vascular Scientist

    University of Manchester & MFT NHS FT

  • Speaker name: Mr Steven Rogers

    ..........................................................................................

    I have the following potential conflicts of interest to report:

    Consulting

    Employment in industry

    Stockholder of a healthcare company

    Owner of a healthcare company

    Other(s)

    I do not have any potential conflict of interest

    Disclosure

    Munich Vascular Conference (MAC) 2018 2

  • Asymptomatic carotid surgery trial (ACST) N=3,120 follow-up 5 years

    Munich Vascular Conference (MAC) 2018 3

    ipsilateral stroke

    CEA 2.7 0.5

    medical 9.5 0.9

    Difference 6.8%95% CI 4.8-8.8

    p

  • Munich Vascular Conference (MAC) 2018 4

    Carotid Plaque Remodels

  • Munich Vascular Conference (MAC) 2018 5

    Carotid Plaque Volume

    CPV = Wt / D

  • Munich Vascular Conference (MAC) 2018 6

    Carotid Plaque VolumeN=339

    1.0

    1.5

    0.0

    0.5

    cm3

    asymptomaticn=69

    p

  • Munich Vascular Conference (MAC) 2018 7

    Carotid Plaque VolumeN=339

    Ball & Rogers et al, BJS (2018); 105:262-269.

    ns

    Asymptomatic

    69

    Asymptomatic

    CPV cm3P

  • Munich Vascular Conference (MAC) 2018 8

    Carotid Plaque VolumeN=270

    Ball & Rogers et al, BJS (2018); 105:262-269.

    CPV cm3

  • Munich Vascular Conference (MAC) 2018 9

    Tomographic 3D ultrasound (tUS)N=200

  • Munich Vascular Conference (MAC) 2018 10

    Tomographic 3D Ultrasound (tUS)N=200

  • Munich Vascular Conference (MAC) 2018 11

    Image Fusion

  • Munich Vascular Conference (MAC) 2018 12

    CPV measured by tUSN=56

    7 asymptomatic

    7 female

    Median stenosis 60 – 69%

    B-mode

    CEUS

    Fused

  • 0 1 2 3 40

    1

    2

    3

    4

    U S E R 1

    U S E R 2

    Munich Vascular Conference (MAC) 2018 13

    tUS Intra-observer (cm3)N=56

    r=0.96p

  • 0 . 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 00 . 0

    0 . 5

    1 . 0

    1 . 5

    2 . 0

    2 . 5

    3 . 0

    3 . 5

    U S E R 1

    U S E R 2

    Munich Vascular Conference (MAC) 2018 14

    tUS Inter-observer (cm3)N=56

    r=0.93p

  • Munich Vascular Conference (MAC) 2018 15

    CEA vs tUS CPV’s (cm3)N=56

    B-modebias=-0.18±0.32 cm3r=0.87P

  • Munich Vascular Conference (MAC) 2018 16

    Acknowledgement:This project has received funding from the European Union’s Horizon 2020 researchand innovation programme under grant agreement No [760380].

    Carotid Plaque Volume (CPV)

    Relates to cerebral ischemia symptoms

    Accurately measured in patients by tUS

    ?Does CPV predict stroke?

    Carotid Plaque Volume measured by Tomographic 3D Ultrasound�DisclosureAsymptomatic carotid surgery trial (ACST) �N=3,120 follow-up 5 yearsCarotid Plaque RemodelsCarotid Plaque VolumeCarotid Plaque Volume�N=339Carotid Plaque Volume�N=339Carotid Plaque Volume�N=270Tomographic 3D ultrasound (tUS)�N=200Tomographic 3D Ultrasound (tUS)�N=200Image FusionCPV measured by tUS�N=56tUS Intra-observer (cm3)�N=56tUS Inter-observer (cm3)�N=56CEA vs tUS CPV’s (cm3)�N=56Foliennummer 16