Table 1 Hemodynamic parameters at baseline and after stent-grafting.

From: Reflected wave intensity increases based on aortic diameter after endovascular aortic therapy in a goat model

 

Baseline

After EVAR

p value

Body weight (kg)

61.4 ± 5.4

  

Stent-graft size

  Diameter (mm)

23.1 ± 0.6

 

  Length (mm)

97.1 ± 8.6

 

Heart rate (bpm)

119.6 ± 5.9

119.9 ± 5.6

0.889

Cardiac output (l/min)

4.7 ± 0.3

4.6 ± 0.2

0.866

Aortic pressure

  Systole (mmHg)

114.0 ± 6.5

114.3 ± 6.0

0.753

  Diastole (mmHg)

90.4 ± 5.1

84.9 ± 5.0

0.310

  Mean (mmHg)

98.0 ± 5.5

94.7 ± 5.2

0.672

  Pulse pressure (mmHg)

23.6 ± 1.8

29.4 ± 2.9

0.046

Pulmonary pressure

  Systole (mmHg)

22.0 ± 2.1

23.6 ± 3.0

0.168

  Diastole (mmHg)

8.7 ± 2.4

10.6 ± 2.6

0.058

  Mean (mmHg)

13.1 ± 2.3

15.1 ± 2.5

0.042

LV + dP/dt (mmHg/sec)

2886.7 ± 257.9

2898.2 ± 223.0

0.917

LV −dP/dt (mmHg/sec)

−1770.0 ± 271.4

−1796.5 ± 388.0

0.753

LV + dQ/dt (ml/sec)

812.3 ± 73.5

872.8 ± 99.3

0.753

LV −dQ/dt (ml/sec)

−472.3 ± 62.2

−392.2 ± 72.8

0.116

Z0 (dyn sec cm−5)

1757.0 ± 62.9

1780.0 ± 158.3

0.735

Zc (dyn sec cm−5)

62.8 ± 4.9

85.2 ± 6.9

0.018

Forward pressure (mmHg)

108.4 ± 5.9

108.1 ± 5.7

1.0

Reflected pressure (mmHg)

7.8 ± 0.6

9.4 ± 0.9

0.128

Reflection magnitude

0.46 ± 0.2

0.43 ± 0.33

0.237

Reflection index

0.32 ± 0.00

0.30 ± 0.17

0.128

  1. EVAR endovascular aortic repair, LV left ventricle, Value, mean ± SE.