3d tee multiplanar reconstruction€¦ · p2 a1 p1 p3 a2 p2 a1 p1 av av av av ... cobey et al. j am...
TRANSCRIPT
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3D TEE MULTIPLANAR RECONSTRUCTION
J. MorenoDepart ment of Anest hesia &
Int erdepartmental Division of Crit ical Care MedicineToront o General Hospit al. University Healt h Network.
Sunday, November 11th, 2018
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DISCLOSURE
• No academic conflict of interest
• No financial conflict of interest
• No compensation received for pharmaceuticals and/or devices discussed
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HOW CAN WE USE 3D MPR?
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3D FULL VOLUME PV AV
MV
TV
Other 3D vendors: GE, Siemens.
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3D ZOOM
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3D ZOOM
J Am Soc Echocardiogr. 2017 Apr;30(4):303-371
PV
AV
TV
MV
P2 Prolapse
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UNDERSTANDING MPR
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Green
Coronal planeRed
Sagittal plane
Blue
Transverse plane
3D
Volume
Blue plane
Red plane
Blue plane
Red plane
Green planeQLAB
3DAdv
Other MPR software: Flexi-Slide (GE), Image-COM MPR (Tom-Tec), eSieValves (Siemens).
3D MPR
Green plane
Orientation
of the
planes
relative to
the volume
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Coronal and
Sagittal
planes are
real acquired
2D tomographic
images
Transverse
plane is
reconstructed
by 3D
software
Coronal and
Sagittal
planes are
where the
measures should be
taken.
Green
Coronal planeRed
Sagittal plane
Blue
Transverse plane 3D
Volume
LAA
A1P1
A2
AV
A3 P2
P3
MV
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WHAT CAN 3D MPR DO?
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https://www.kenhub.com/en/library/anatomy/heart-valves
Hahn et al. J Am Soc Echocardiogr 2013;26:921-64
A2
P2
P1
P3
A1
A30°
45°
90°130°
A3A2P2P1
MC
A3A2A1P3
P1
CS
CS
LAA
A3A2 A1P3
CS LAA
A2P2
S
A
P
TV
AV
NCC
LCCRCC
PV
AR
L
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A3
Green
Coronal plane
Blue
Transverse plane
Green
Coronal plane
Blue
Transverse plane
SCROLL THROUGH ANY VALVE
Green
Coronal plane
Blue
Transverse plane
A3P3
A2P2 A1 P1
P3
A2P2
A1P1
AV
AVAV AV
LAALAALAA
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QLAB MPR i-Slice (Philips)
Other MPR software: Flexi-Slide (GE), Image-COM MPR (Tom-Tec), eSieValves (Siemens).
GreenCoronal plane
RedSagittal plane
BlueTransverse plane
1 2 3 4
5 6 7 8
9 Blue Line 10 11 12
1413 1615
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MPR FOR STENOSIS
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AORTIC STENOSIS: LVOTd
LVOTd→LVOTa
LVOTa = π r2
LVOTa
Plane Aligment
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TAVI: AORTIC VALVE ANNULUS
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MITRAL STENOSIS
Concomitant
AR
Unable to get
good TG
pictures
Level 1 for MVA: 2D Planimetry or PHT.Baumgartner H, et al. J Am Soc Echocardiogr. 2009 Jan;22(1):1-23
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3D MITRAL VALVE PLANIMETRY
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OTHER MPR APPLICATIONS
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ASD
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MPR FOR ASDASD
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3D MPR FOR REGURGITATION
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3D COLOR REGURGITATION
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Green
Coronal planeRed
Sagittal plane
Blue
Transverse plane
Green
Coronal plane
Red
Sagittal plane
Blue
Transverse plane
Regurgitant Jet
Plane Alignment
VCW
VCA
Correlation 2D vs 3D VCA
r = 0.97; p < 0.001Chin et al. Echocardiography. 2010;27(2):161-6
At valve coaptation level or just
within the left atrium.
3D VCA vs 2DE EROA
(r = 0.88-0.89, p < 0.001)
3D VCA significantly
greater than 2D EROA.
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PISA 3D COLOR REGURGITATION
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Regurgitant Jet
Plane Alignment
Green
Coronal planeRed
Sagittal plane
Blue
Transverse plane
Green
Coronal planeRed
Sagittal plane
Blue
Transverse plane
3D PISA
Radius
AROA
AROA ≥ 3D VCA > 3D PISA EROACobey et al. J Am Soc Echocardiogr. 2016 Jan;29(1):A26-7
AROA is the smallest area
of regurgitant flow through
the valve measured using
the cusp edges
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Thavendiranathan P, et al. JACC Cardiovasc Imaging. 2012;5(11):1161-75.
RV calculated from EROA by 3D PISA
or 3D VCA,
have a favorably comparison
with MRI calculated volumes
3D COLOR MPR QLAB (Phillips): 3D PISA EROA, AROA
3D PISA RADIUS
AROA
AROA is the smallest area of regurgitant
flow through the
valve measured using the cusp
edges(slightly bigger than
the VCA)
RV = 3D VCA x MR VTIRV = 3D EROA x MR VTI
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3D COLOR MPR QLAB (Phillips): 3D PISA EROA
Hemisphere or
Hemielliptical?
Ashikhmina et al. Anesth Analg. 2015;120(3):534-42.
Other 3D PISAsoftware:
eSie PISA™ (Siemens)
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VCA, EROA, AROA
• We cannot assume that 3D planimetered VCA is equivalent to EROA.
• Real 3D EROA should be calculated by 3D PISA.
• Despite significant correlation between 2D-3D VCA and 2D EROA (r=0.88-0.89, p<0.001), 3D VCA is significantly greater than 2D EROA.
• AROA is slightly bigger than the VCA.
• AROA ≥ 3D VCA > 3D PISA EROA.Chin et al. Echocardiography. 2010;27(2):161-6
Sato et al.. Cardiovasc Ultrasound. 2015;13:24
Zoghbi et al. J Am Soc Echocardiogr. 2003;16(7):777-802
Lancellotti et al. Eur J Echocardiogr. 2010;11(3):223-44.
Mascherbauer et al. J Am Soc Echocardiogr. 2005;18(10):999-1006.
Thavendiranathan P, et al. JACC Cardiovasc Imaging. 2012;5(11):1161-75
Cobey et al. J Am Soc Echocardiogr. 2016 Jan;29(1):A26-7
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3D MPR LIMITATIONS
• Limited temporal and spatial resolution.
• Translation artifacts.
• Angle dependence.
• Complex dynamic changes of VCA size and shape.
• VCA is characterized by high-velocity flow acquired using CFD, being more representative of a functional or hemodynamic EROA rather than a true EROA.
Ashikhmina E, et al. Anesth Analg. 2015;120(3):534-42.
Buck T,et al. Curr Cardiovasc Imaging Rep. 2015;8(10):38.