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P1252428399WyGYx

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Vision 6.0. Clinical Applications. Vision Power Station. Full panel cardiology software ... Any combination of gated and/or non-gated studies ... – PowerPoint PPT presentation

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Title: P1252428399WyGYx


1
Vision 6.0 Clinical Applications
2
Vision Power Station
  • Full panel cardiology software
  • Industry Standard Applications (Emory )
  • Complete Clinical Software Library
  • Large panel of connectivity solutions
  • Fast processing

3
Vision Power StationCardiac SPECT Processing
  • Up to 3 simultaneous reconstruction (stress,
    rest, delay)
  • Any combination of gated and/or non-gated studies
  • Sinogram, Linogram and raw cine mode quality
    control
  • Fast assessment of wall motion, perfusion and
    thickening
  • Slices cine mode for Gated SPECT studies

Read Master Display
4
Vision Power StationCircumferential Profiles
Analysis
  • Stress and rest dual study comparison
  • Applicable to thallium or technetium agents
  • Circonferential profiles with expected
    redistribution
  • Perfusion and washout bullseyes
  • Adjustable distribution 3D map

3D perfusion map
5
Vision Power StationTARGET Bullseye
  • Perfusion bullseyes display
  • Thallium or technetium based perfusion agents
  • Cedars thallium reference database (option)
  • Multiple user-created databases
  • Quantitative patient/database comparison

Comparison bullseye
Patient bullseye
6
MultidimTM Comparative ProcessingOwnership gated
tomography protocol
  • Up to 3 gated or non-gated datasets may be
    analysed
  • 4D cine of the endocardial wall (3D surface
    wall motion)
  • Solid or wire-mesh display

4D cine and physiological indexes
7
MultidimTM Comparative Processing Ownership
gated tomography protocol
  • LV EF and volume calculation
  • ES, ED and stroke volumes, EF and cardiac output
    computation
  • 3D mapping
  • regional ejection fraction
  • regional perfusion
  • stress/rest subtraction (washout)

3D perfusion map
8
Vision Power Station Planar Gated Bloodpool
  • Automatic tail drop correction
  • Automatic or manual Region-Of-Interest
  • Left and right global ejection fraction
  • Exercise gated comparison with up to eight
    datasets
  • Fourier analysis
  • amplitude and phase image
  • contraction wave propagation
  • Regional and sectorial EF

Functional images
9
Vision Power StationStasis Motion Correction
  • Correction for patient motion and cardiac creep
  • Vertical and horizontal shifts treated
    independently
  • Automated analysis of sinogram and linogram
  • Compatible with both gated and non-gated

Linogram
Sinogram
10
Vision Power StationRestore Resolution
Recovery
  • Depth dependent resolution recovery
  • Scatter correction
  • Filter adjustement (maximum gain, cutoff,
    filter-shape)
  • Collimator and acquisition setting
  • Improves cardiac spect images quality
  • enhances contrast between heart and background
  • gives better definition of ventricular cavity
  • leads to a more homogeneous visualization

3D map of Restore filter
11
Vision Power StationTACTM Transmission
Attenuation Correction
  • Myocardial SPECT non-uniform attenuation
    correction
  • 153Gd or 99mTc as transmission source
  • 201Tl or 99mTc-sestamibi as radiotracer
  • Multi-iterative reconstruction optimization
  • Chang algorithm
  • Single or gated cardiac SPECT

Transmission map
12
Vision Power StationTACTM Transmission
Attenuation Correction
  • Eliminates non-uniform attenuation artifacts
  • enhances activity in inferior / infero-spetal
    regions
  • decreases relative activity of antero-lateral
    region
  • decreases hyperactivity of apex

13
Vision Power StationSPECT reconstruction / 3D
package
  • Real time slice reconstruction for SPECT
    acquisition
  • Decay, COR, uniformity post-acquistion correction
  • Large choice of reconstructiuon filters
  • 3D volume rendering or iso-surface display

Bone tomoscintigraphy
14
Vision Power StationCerebral Blood Flow
  • Regional brain flow quantification
  • Dual SPECT comparison
  • Automatic circumferential segmentation
  • Segmental left/right and early/delay analysis
  • Numeric and bar graphic display

Cerebral stroke
Circumferential analysis
15
Vision Power StationRenal Package
  • Automated processing
  • DTPA, MAG3 and IOH acquisitions
  • Renogram analysis
  • Effective Renal Plasma Flow (ERPF)
  • Glomerular Filtration Rate (GFR)
  • Renal uptake, clearance and excretion assessment

MAG3 study
16
Vision Power StationLungs Ventilation /Perfusion
  • Analysis of pulmonary function
  • Automated processing
  • Global and segmental analysis
  • Ventilation and perfusion time activity curves
  • Functional images
  • Ventilation index
  • Perfusion index
  • Vent/Perf ratio
  • Mean transit time

Vent/Perf ratio
Image Histogram
17
Vision Power StationWhole Body Processing
  • Ant/Post single or dual study processing
  • Full 10241024 screen display
  • Hot spot masking
  • ROI counts statistics
  • Magnification tools

Whole body scan
18
Vision POWERstation 6.0
  • New Clinical Appliation
  • PER (Scatter correction software)
  • BrainQuant (Stereotaxic Brain Quantification)
  • Myoflex (3D Myocarial Fuzzy Logic Expertise)

19
PER - Scatter Correction
  • Objectives
  • Improve the effective energy resolution of
    acquisition system,
  • Correct the images for
  • Compton scatter
  • Crosstalk down scatter contamination
  • gt Multispectral analysis based on iterative
    energy spectrum deconvolution
  • Benefits
  • Better image contrast
  • Improved spatial resolution
  • More accurate quantification

20
PER - Scatter Correction
Thallium Stress SPECT Scintigraphy
Without correction
With Scatter Correction
Inf. wall Ant. wall
Line profile through a middle VLA slice
21
MyoFLEX
Processing steps
? ? ? ?
? ?
2D views
3D views
22
MyoFLEX
  • Automatic myocardial edge detection algorithm
  • Perfusion 3D Quantification (3D ROI)

3D automatic analysis
23
MyoFLEX
  • 18 Sectors Segmentation
  • Normal Reference Databases available
  • User-defined databases capability

Myocard segmentation
24
MyoFLEX
  • Color-coded perfusion scores
  • Relative tracer uptake distribution
  • Simultaneous Rest / Stress analysis
  • Reversibility 3D map (Rest-Stress)

Perfusion Mapping
25
XT-ERNA 2 Multi-harmonic Fourier Analysis
  • Automatic tail drop correction
  • R-R waves histogram
  • Automatic or manual Region-Of-Interest creation
  • Left and right global ejection fraction
    calculation
  • Multi-harmonic capability (1 or 3 harmonics)
  • LV and RV percentile analysis

26
XT-ERNA 2
  • Exercise gated comparison with up to eight
    datasets
  • Fourier analysis
  • amplitude and phase image
  • contraction wave propagation
  • Sectorial EF
  • Improved cine display
  • Comprehensive result pages
  • Standard display
  • User-defined screens

27
BrainQuant
  • Anatomical localization of functional
    abnormalities is difficult to implement in NM
    without MRI and CT scan images.

?
Ability to identify cerebral structures by
comparing functional images with a standard
reference system (Talairach atlas).
28
BrainQuant
Talairach grid
AC-PC orientation
  • AC-PC plane determination and Talairach grid
    applied on transverse cerebral slices

29
Patient Motion Correction (MoCo)
  • Can be launch from any SPECT Protocols
  • Fully Automatics
  • Support Gated SPECT

30
QGS / QPS
Complementary (but similar) application referring
to Myocardial SPECT
31
BPGS
Recon Reformat uses eNTEGRA UI, BPGS uses UI of
Cedars-Sinai.
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