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Published on: February 3, 2014
Angiographic assessment of right ventricular volumes and ejection fraction
Insights
This review examines recent angiographic methods for measuring right ventricular (RV) function, volumes, and ejection fraction. It addresses the historical neglect of RV assessment due to geometric complexities compared to the left ventricle (LV).
Area of Science:
- Cardiovascular imaging
- Cardiac physiology
- Diagnostic techniques
Background:
- Left ventricular (LV) function has been extensively studied using cardiovascular angiography.
- The right ventricle (RV) has received less attention due to challenges in analyzing its complex geometry.
- Previous methods for RV analysis were limited, hindering comprehensive understanding of its function.
Purpose of the Study:
- To review recent advancements in angiographic measurement techniques for right ventricular (RV) function.
- To highlight new approaches for assessing RV volumes and ejection fraction.
- To address the historical underestimation of RV importance and performance.
Main Methods:
- Review of recent literature on angiographic techniques for right ventricular (RV) assessment.
- Analysis of methodologies for measuring RV volumes and ejection fraction.
- Comparison of geometric analysis challenges between the left ventricle (LV) and RV.
Main Results:
- Recent angiographic approaches offer improved methods for quantifying RV volumes and ejection fraction.
- New techniques are overcoming the geometric complexities previously hindering RV analysis.
- The review synthesizes current understanding of RV assessment through angiography.
Conclusions:
- Recent angiographic techniques provide valuable tools for assessing right ventricular (RV) function.
- Improved RV volume and ejection fraction measurements enhance understanding of RV performance.
- Further research and application of these methods are crucial for comprehensive cardiac evaluation.
Abstract:
Since the advent of cardiovascular angiography only a few decades ago (1), a massive number of data related to the ventricular function have been accumulated. Specifically, left ventricular (LV) geometry, volumes, and patterns of contractility have been extensively investigated (2-7), especially in patients with coronary artery disease (8-11). In contrast, much less attention has been given to the characteristics of the right ventricle (RV). This has been due partially to the fact that the LV was always considered to be more important chamber of the heart. The relative neglect of RV performance has been further compounded by difficulties in analyzing the geometry of the RV chamber: while the LV configuration approximately resembles an ellipsoid of revolution (and therefore lends itself to relatively simple mathematical analysis), the RV has always been considered a somewhat amorphous structure that does not yield to simple geometric manipulation. In this review, recent approaches to the angiographic measurements of RV volumes and ejection fraction are examined.
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