Table 3 Echocardiographic data on left atrial volume and function at rest.

From: Predictors of Exercise-Induced Pulmonary Hypertension in Patients with Asymptomatic Degenerative Mitral Regurgitation: Mechanistic Insights from 2D Speckle-Tracking Echocardiography

 

All patients (n = 75)

Non-EIPH (n = 50, 66.7%)

EIPH (n = 25, 33.3%)

P value

LAD, mm

40.9 ± 6.9

39.9 ± 7.2

42.7 ± 5.9

0.08

LAVI, mL/m2

54.2 ± 18.9

52.8 ± 18.9

56.9 ± 18.8

0.36

LAS-s, %

29.2 ± 7.8

32.4 ± 6.8

22.9 ± 5.5

<0.001

LAS-e, %

18.2 ± 6.8

19.9 ± 6.8

14.8 ± 5.4

0.003

LAS-a, %

10.9 ± 4.8

11.7 ± 5.0

9.3 ± 4.1

0.05

LASR-s, s−1

1.32 ± 0.34

1.42 ± 0.33

1.11 ± 0.26

<0.001

LASR-e, s−1

1.29 ± 0.36

1.36 ± 0.36

1.13 ± 0.29

0.003

LASR-a, s−1

1.30 ± 0.35

1.35 ± 0.39

1.18 ± 0.23

0.07

  1. Data are expressed as mean ± SD.
  2. Abbreviations: EIPH, exercise-induced pulmonary hypertension; LAD, left atrial diameter; LAS, left atrial strain; LASR, left atrial strain rate; LAVI, left atrial volume index.