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Table 3 Pre- and postoperative measurements of the aortic root and ascending aorta

From: Geometric changes in aortic root replacement using Freestyle prosthesis

  Preoperative
(n = 32)
Postoperative
(n = 10)
P value*
Aortic annulus
 Diameter max. (mm) 28.1 ± 3.5 26.8 ± 2.9 0.485
 Diameter min. (mm) 26.2 ± 3.2 26.3 ± 3.0 0.049
 Area (cm2) 6.2 ± 1.5 5.8 ± 1.5 0.025
Sinus of Valsalva
 Diameter max. (mm) 40.6 ± 8.6 33.2 ± 6.3 0.092
 Diameter min. (mm) 37.1 ± 7.5 30.6 ± 4.9 0.071
 Area (cm2) 12.5 ± 4.7 5.9 ± 1.5 0.069
Sinotubular junction
 Diameter max. (mm) 39.3 ± 9.8 29.8 ± 4.4 0.021
 Diameter min. (mm) 36.0 ± 11.1 28.6 ± 4.1 0.518
 Area (cm2) 12.1 ± 5.8 6.7 ± 1.8 0.035
Mid-ascending aorta
 Diameter max., (mm) 44.1 ± 9.5 31.8 ± 3.5 0.069
 Diameter min. (mm) 42.7 ± 9.5 30.1 ± 2.9 0.070
 Area (cm2) 15.6 ± 6.3 7.9 ± 1.7 0.070
Proximal aortic arch
 Diameter max. (mm) 37.5 ± 5.9 31.3 ± 4.7 0.087
 Diameter min. (mm) 35.1 ± 5.9 29.6 ± 4.9 0.178
 Area (cm2) 10.6 ± 3.4 8.0 ± 2.4 0.203
Length root, ascending aorta (cm) 10.8 ± 2.2 7.0 ± 1.3 0.005
Volume aortic root, (cm3) 45.6 ± 26.3 18.7 ± 4.5 0.029
Volume root and ascending aorta, (cm3) 137.3 ± 65.2 54.5 ± 21.1 0.023
  1. *p-value: paired Student-t test (n = 10)