Volume 71, Issue 11, Pages (November 2016)

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Volume 71, Issue 11, Pages 1095-1103 (November 2016) Paravalvular leak after transcatheter aortic valve implantation: is it anatomically predictable or procedurally determined? MDCT study A.A. Sakrana, M.M. Nasr, G.A. Ashamallah, R.A. Abuelatta, H.A. Naeim, M.E. Tahlawi Clinical Radiology Volume 71, Issue 11, Pages 1095-1103 (November 2016) DOI: 10.1016/j.crad.2016.07.016 Copyright © 2016 The Royal College of Radiologists Terms and Conditions

Figure 1 MDCT-derived aortic valve and aortic root measurements. (a–b) Coronal and sagittal views to obtain the annular plane. (c) Double-oblique transverse view of the aortic annulus. (d) Maximal and minimal annular diameters. (e) Annular area. (f) Annular perimeter. (g) Slicing of the aortic root parallel to the annular plane to obtain the LVOT plane (5 mm below the annular plane) and the sinus plane at the largest cusp dimension. (h) LVOT perimeter. (i) Sinus diameter. (j) Illustration of the method to measure < LVOT-AO between the axis of the proximal ascending aorta (AS AO axis) and LVOT axis. Clinical Radiology 2016 71, 1095-1103DOI: (10.1016/j.crad.2016.07.016) Copyright © 2016 The Royal College of Radiologists Terms and Conditions

Figure 2 Aortic valve calcification grades in MDCT double-oblique transverse MIP view of the aortic valve: (a) grade 0; (b) grade I; (c) grade II; (d) grade III. Clinical Radiology 2016 71, 1095-1103DOI: (10.1016/j.crad.2016.07.016) Copyright © 2016 The Royal College of Radiologists Terms and Conditions

Figure 3 TTE short-axis view at the level of the prosthetic aortic valve. (a) Illustration of PVL locations, the inter-atrial septum (IAS) is the landmark for the non-coronary cusp wall (NC); the small white circles refers to the commissural sites. RC, right coronary cusp; LC, left coronary cusp. (b) Grade I PVL. (c) Grade II PVL. (d) Grade III PVL. Clinical Radiology 2016 71, 1095-1103DOI: (10.1016/j.crad.2016.07.016) Copyright © 2016 The Royal College of Radiologists Terms and Conditions