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Table 3 Overview of native aortic annulus, initial and second THV diameter and area

From: Repeat transcatheter aortic valve implantation using a latest generation balloon-expandable device for treatment of failing transcatheter heart valves

  Patient no. 1 Patient no. 2 Patient no. 3
Initial annular diametera (mm) 25.3 26.2 25.6
Initial annular area (mm2) 490.3 620.1 530.7
Initial THV, size (mm) Edwards Sapien XT, 26 JenaValve, 27 CoreValve, 29
Covered annulus area of initial THVb (mm2) 415–530 / 415.5–572.6
Covered annulus diameter of initial THVb (mm) 23–26 25–27 23–27
Sapien 3 size (mm) 26 29 29
Covered annulus area of implanted Sapien 3b (mm2) 430–546 540–683 540–683
Covered annulus diameter of implanted Sapien 3b (mm) 23.4–26.4 26.2–29.5 26.2–29.5
  1. a based on CTeff = 2 × √(circumferential area/π)
  2. b according to information provided by manufacturer