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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)