Exploring Different Parameters to Assess Left Ventricle Global and Regional Functional Analysis from Coronary CT Angiography

Coronary CT angiography is widely used in clinical practice for the assessment of coronary artery disease. Several studies have shown that the same exam can also be used to assess left ventricle (LV) function. Even though coronary CT angiography provides data concerning multiple cardiac phases, alon...

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Vydáno v:Computer graphics forum Ročník 31; číslo 1; s. 146 - 159
Hlavní autoři: Silva, Samuel, Santos, Beatriz Sousa, Madeira, Joaquim
Médium: Journal Article
Jazyk:angličtina
Vydáno: Oxford, UK Blackwell Publishing Ltd 01.02.2012
Témata:
Analysis
Angiography
Cardiovascular disease
Computation
Functional analysis
I.3.6 [Computer Graphics]: Methodologies and Techniques-Interaction Techniques
I.3.8 [Computer Graphics]: Applications-Visualization
I.3.8 [Computer Graphics]: Applications–Visualization; I.3.6 [Computer Graphics]: Methodologies and Techniques–Interaction Techniques; J.3 [Computer Applications]: Life and Medical Sciences–Left Ventricle Analysis
Image processing systems
J.3 [Computer Applications]: Life and Medical Sciences-Left Ventricle Analysis
left ventricle
Mathematical analysis
Mathematical models
Medical imaging
Phases
Regional
Studies
Visual
visual exploration
ISSN:0167-7055, 1467-8659
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Shrnutí:Coronary CT angiography is widely used in clinical practice for the assessment of coronary artery disease. Several studies have shown that the same exam can also be used to assess left ventricle (LV) function. Even though coronary CT angiography provides data concerning multiple cardiac phases, along the cardiac cycle, LV function is usually evaluated using just the end‐systolic and end‐diastolic phases. This unused wealth of data, mostly due to its complexity and the lack of proper tools, has still to be explored to assess if further insight is possible regarding regional LV functional analysis. Furthermore, different parameters can be computed to characterize LV function and though some are well known by clinicians others still need to be tested concerning their value in clinical scenarios. Based on these premises, we present several parameters characterizing global and regional LV function, computed for several cardiac phases over one cardiac cycle. The data provided by the computed parameters is shown using a set of visualizations allowing synchronized visual exploration of the different data. The main purpose is to provide means for clinicians to explore the data and gather insight over their meaning and their correlation with each other and with diagnosis outcomes.
Bibliografie:ArticleID:CGF2090
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ISSN:0167-7055
1467-8659
DOI:10.1111/j.1467-8659.2012.02090.x