Keywords: Flow, Vessels, Aortic Dissection
Uncomplicated type B aortic dissection (AD) has a poor long-term outcome and further optimization of predictors for aortic expansion is required. Seventeen patients with chronic type B AD who underwent 4D flow MRI were included and divided into two groups based on the aortic growth rate. The morphological and hemodynamic parameters in each group were retrospectively analyzed. The forward flow and volume in true lumen and ratio of these parameters at entry and false lumen to true lumen were significantly higher in the fast growth-rate group than in the slow one; no morphological parameters showed a significant difference.
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