Key result
The proportion of direct flow volume and kinetic energy diminished significantly with increasing left ventricular volumes, demonstrating that 4D flow MRI can detect subtle left ventricular dysfunction.
Why the study?
Can 4D flow MRI detect subtle left ventricular dysfunction and remodeling in patients with chronic ischemic heart disease?
Cross-Sectional (n=36)
No
Can 4D flow MRI detect subtle left ventricular dysfunction and remodeling in patients with chronic ischemic heart disease?
Effect estimate: r = -0.64
p-value: p=<0.001
4D flow MRI can detect subtle left ventricular dysfunction and remodeling through alterations in direct flow volume and kinetic energy proportions.
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4D flow MRI may identify subtle LV dysfunction in chronic ischemic disease; leaves open clinical utility pending prospective validation.
Svalbring et al. (2016) conducted a cross-sectional in Chronic ischemic heart disease with subtle left ventricular remodeling (n=36). Subtle left ventricular remodeling and dysfunction vs. Healthy controls was evaluated on Correlation between direct flow volume proportion and left ventricular end-diastolic volume index (LVEDVI) (r = -0.64, p=<0.001). The proportion of direct flow volume and kinetic energy diminished significantly with increasing left ventricular volumes, demonstrating that 4D flow MRI can detect subtle left ventricular dysfunction.