Table 2 Echocardiographic parameters of the entire cohort (n = 66), examined pre and post surgery.

From: Functional interaction of aortic valve and ascending aorta in patients after valve-sparing procedures

 

Pre surgery

Post surgery

p-value

Pmax (mm Hg)

12.7 +/− 8.6

10.3 +/− 7.9

 < 0.05

SV (ml)

104 +/− 25

81 +/− 24

 < 0.01

Flow (ml/s)

349 +/− 83

251 +/− 74

 < 0.001

EOA (cm2)

3.4 +/− 0.8

2.6 +/− 0.9

 < 0.001

D-Aorta (mm)

57 +/− 11

29 +/− 2

 < 0.001

AA (cm2)

26.7 +/− 10.2

6.8 +/− 1.1

 < 0.001

EOA/AA

0.14 +/− 0.05

0.40 +/− 0.13

 < 0.001

PR (mm Hg)

2.9 +/− 2.0

4.3 +/− 2.7

 < 0.001

PRI

0.24 +/− 0.08

0.44 +/− 0.06

 < 0.001

ELCO (cm2)

4.0 +/− 1.1

5.0 +/− 3.1

 < 0.05

EL (mm Hg)

9.5 +/− 6.9

4.5 +/− 6.0

 < 0.001

SWPR (mm Hg × ml)

1005 +/− 814

351 +/− 407

 < 0.001

VrPR (mm Hg × s/ml)

38 +/− 27

25 +/− 28

 < 0.01

  1. Abbreviations: AA aortic cross-sectional area, PR pressure recovery, PRI PR index, EL energy loss, ELCO energy loss coefficient, SWPR/VPR Stroke volume/valve resistance corrected for PR. Others: see Table 1.
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