Research Article

Calcification Characteristics of Low-Flow Low-Gradient Severe Aortic Stenosis in Patients Undergoing Transcatheter Aortic Valve Replacement

Figure 1

Multidetector computed tomography (MDCT) analysis illustrating calcification measurements. (a) Centerline of the aortic root and the ascending aorta. (b), (c), and (d) Anchor points at the level of the insertion of the aortic leaflets. (e) Measurement of calcification volume and mass.