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Table 2 Right Ventricular Structural and Functional Indices pre- and post-exercise

From: Exploratory assessment of right ventricular structure and function during prolonged endurance cycling exercise

Variable

Pre-exercise

Post-exercise

P value

RVOTplax (mm)

35 ± 3

35 ± 5

0.57

RVOT1 (mm)

36 ± 6

36 ± 6

0.44

RVOT2 (mm)

26 ± 2

27 ± 2

0.48

RVD2 (mm)

33 ± 3

33 ± 3

0.64

RVDa (cm2)

28.0 ± 3.6

31.4 ± 4.5

0.11

RVSa (cm2)

14.6 ± 2.6

15.4 ± 2.1

0.23

RVFAC (%)

48 ± 5

51 ± 5

0.26

TAPSE (mm)

27 ± 5

28 ± 5

0.57

RV S’ (cm/s)

16 ± 2

17 ± 4

0.81

RV A’ (cm/s)

16 ± 3

16 ± 3

0.94

PASP (mmHg)

22 ± 7

20 ± 3

0.26

TR velocity (m/s)

2.2 ± 0.8

2.1 ± 0.3

0.45

RV Wall Stress (kdynes/cm2)

6.4 ± 2.7

5.8 ± 1.8

0.33

RV free wall strain (%)

− 28.9 ± 3.2

− 28.2 ± 3.9

0.60

  1. Paired T-test, mean ± SD. N = 8, except for RVOTplax and RV free wall strain where n = 7. Pre-exercise data were obtained in the supine position
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Echo Research & Practice

ISSN: 2055-0464

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