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Table 2 Descriptive statistics for pre- and post-TAVI values of global longitudinal strain, peak atrial longitudinal strain, radial strain and left ventricular ejection fraction

From: The use of deformation imaging in the assessment of patients pre and post transcatheter aortic valve implantation

Variable

Pre-TAVI mean (SD)

Post-TAVI mean (SD)

Difference (95% CI) post–pre

p-value

GLS (n = 25)

13.55 (4.46)

15.69 (4.88)

2.14 (1.08, 3.20)

0.0003

PALS (n = 24)

12.76 (6.42)

15.07 (8.15)

2.3 (− 0.19, 4.80)

0.068

Radial Strain (n = 23)

30.19 (14.95)

39.87 (19.42)

9.68 (− 16.25, − 3.1)

0.0058

LVEF (n = 25)

54.32 (15.59)

55.28 (13.63)

0.96 (− 2.30, 4.22)

0.55

E prime (n = 9)

5.56 (20.0)

7.0 (2.65)

1.44 (2.92)

0.18

E/e (n = 8)

16.05 (9.2)

13.13 (6.44)

− 2.93 (5.53)

0.18

E/A (n = 17)

0.80 (0.27)

0.77 (0.28)

− 0.03 (0.28)

0.71

  1. TAVI transcatheter aortic valve implantation, CI confidence interval, GLS global longitudinal strain, PALS peak atrial longitudinal strain, LVEF left ventricular ejection fraction