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Table 2 Changes on hemodynamic and echocardiographic parameters before and after TAVR (n = 32)

From: Blood flow dynamics with four-dimensional flow cardiovascular magnetic resonance in patients with aortic stenosis before and after transcatheter aortic valve replacement

Variables

Pre-TAVR

Post-TAVR

P value

Heart rate (bpm)

66 (61–76.5)

70.5 (61–79.5)

0.67

Systolic blood pressure (mmHg)

120 (110–127)

118 (110–129.5)

0.33

Diastolic blood pressure (mmHg)

64.5 (57.5–68.5)

60.5 (48.5–71.5)

0.40

Peak aortic velocity (Vmax) (m/s)

4.6 ± 0.8

2.3 ± 0.4

 < 0.001

Mean transaortic PG (m/s)

53 ± 21

12 ± 4

 < 0.001

AVAI or EOAI (cm2/m2)

0.5 ± 0.1

1.1 ± 0.2

 < 0.001

Paravalvular leak severity I/II/III/IV, n (%)

24 (75)/4 (13)/0/0

LVEDD (mm)

46.7 (43.0–50.0)

46.0 (42.5–49.0)

0.99

LVESD (mm)

28.0 (24.5–34.5)

28.5 (25.0–32.0)

0.71

LVEF (%)

61 (54–70)

64 (56–70)

0.010

Transmitral peak E/A ratio

0.70 (0.56–0.97)

0.70 (0.62–0.91)

0.058

E/e′ ratio

13.1 ± 4.8

14.0 ± 4.2

0.25

LAVI (mL/m2)

45.5 (39.7–63.0)

44.8 (36.1–58.5)

0.78

LVMI (g/m2)

118 (102–141)

115 (98–145)

0.65

RWT

0.44 (0.39–0.49)

0.44 (0.38–0.47)

0.63

  1. Continuous variables are presented as mean ± standard deviation if normally distributed, and median (interquartile range) if not normally distributed
  2. Categorical variables are presented as number of patients (%)
  3. AVAI aortic valve area index; EOAI effective orifice area index; LAVI left atrial volume index; LVEDD left ventricular end-diastolic dimension; LVESD left ventricular end-systolic dimension; LVEF left ventricular ejection fraction; LVMI left ventricular mass index; PG pressure gradient; RWT relative wall thickness; TAVR transcatheter aortic valve replacement