Key result
Noninvasive 4D flow and cine MRI provide comprehensive hemodynamic data for assessing cardiac function.
Why the study?
Intracardiac blood pressure measurement has mainly required invasive catheterization, limiting its application despite the significant role of intracardiac blood flow in cardiac morphology and function.
Hemodynamic force derived from cardiac MRI offers a promising noninvasive tool for accurately characterizing cardiac function.
Intracardiac blood flow has long been proposed to play a significant role in cardiac morphology and function. However, absolute blood pressure within the heart has mainly been measured by invasive catheterization, which limits its application. Hemodynamic force (HDF) is the global force of intracavitary blood flow acquired by integrating the intraventricular pressure gradient over the entire ventricle and thus may be a promising tool for accurately characterizing cardiac function. Recent advances in magnetic resonance imaging technology allow for a noninvasive measurement of HDF through both 4D flow cardiac MRI and cine cardiac MRI. The HDF time curve provides comprehensive data for both qualitative and quantitative analysis. In this review, a series of HDF parameters is introduced and a summary of the current literature regarding HDF in clinical practice is presented. Additionally, the current dilemmas and future prospects are discussed in order to contribute to the future research. LEVEL OF EVIDENCE: 5. TECHNICAL EFFICACY: Stage 2.
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Hou et al. (2024) conducted a review in Cardiac function. Hemodynamic force (HDF) measurement via cardiac MRI was evaluated. Noninvasive measurement of hemodynamic force through 4D flow and cine cardiac MRI provides comprehensive data for qualitative and quantitative analysis of cardiac function.
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