Fig. 8.

CMR tagging in patients with chronic severe aortic regurgitation. Left ventricular (LV) long-axis (top row) and short-axis (bottom row) cardiovascular magnetic resonance (CMR) tagging images at end-diastole (A) and at end-systole (B). A tagging pattern in the form of parallel lines was used for the long-axis cines and a grid pattern for the short-axis cines. Dedicated software was employed for the myocardial deformation analysis. C At an average of 28 ± 11 months after aortic valve replacement global and regional LV longitudinal and circumferential strain decreased (p < 0.05 for both global strain values) despite an improvement in LV ejection fraction and a decrease in LV size, which might imply an ongoing myocardial fibrosis after valve surgery. Adapted with permission from Pomerantz et al. [64]. AI aortic insufficiency, Ant anterior, Lat lateral, Post posterior, preop preoperative, postop postoperative, Sept septal