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Abstract #2102

Quantitative 4D flow vessel estimation using conventional (aorta 4D flow) and whole heart 4D flow sequence.

Himanshu Singh1, S Senthil Kumaran1, and Ganesan Karthikeyan2
1Department of NMR, All India Institute of Medical Sciences, New Delhi, India, 2Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India

Quantification of blood flow parameter is crucial for assessment of dynamic stability across cardiac vascular system. 4D flow provide systemic estimation of such parameter without requirement of contrast in a single acquisition. Technical limitation of 4D flow restrict dynamic estimation to either heart (LV/RV) or across large vessels due to venc differential. Estimation of large vessel (while retaining the cardiac dynamics) can be assessed accurately with flow estimation using flow velocity and pressure gradient. Choice of parameters is crucial in limited temporal frame using valve/vessel optimised sequence.

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