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Table 4 Changes of the recommended measures of right heart structure and function in 48 studied participants over the time

From: Effect of kidney transplantation on right ventricular function, assessment by 2- dimensional speckle tracking echocardiography

RV function indices

Before transplant

One week after transplant

One month after transplant

3 months after transplant

Mean square

F

P-value*

RV thickness (mm)

5.16 ± 0.99

5.21 ± 1.09

4.91 ± 1.31

5.1 ± 0.96

0.604

0.376

0.62

RV global longitudinal strain

−16.6 ± 5.8

−17.9 ± 5.0

−18.9 ± 5.54

−19.9 ± 4.8

107.2

3.85

0.024

RV free wall longitudinal strain

−21.2 ± 5.2

− 23.1 ± 5.0

−24.4 ± 5.3

−26.3 ± 11

493.7

6.74

< 0.001

RV basal diameter (mm)

33.3 ± 5.7

29.2 ± 4.1

25.2 ± 1.6

25.5 ± 4.0

82.3

4.78

0.007

RV mid cavity diameter (mm)

26.6 ± 4.9

26.5 ± 5.7

26.2 ± 4.4

23.6 ± 2.8

30.9

1.54

0.22

RV longitudinal diameter (mm)

61.9 ± 14.6

60.5 ± 15.2

54.5 ± 5.9

51.6 ± 3.8

342.5

2.06

0.13

RA major diameter (mm)

44.7 ± 7.2

44.1 ± 6.3

42.6 ± 5.5

40.6 ± 3.1

222.7

10.3

< 0.001

RA minor diameter (mm)

33.9 ± 6.4

32.7 ± 5.7

31.1 ± 4.0

28 ± 2.6

1.868

13.93

< 0.001

Myocardial performance index

55.2 ± 24.4

55.8 ± 18.2

55 ± 13.5

55.1 ± 21

1182.9

2.797

0.067

Fractional area change (%)

43.2 ± 8.3

44.8 ± 7.6

46.6 ± 9.2

48.1 ± 7.2

164.6

2.97

0.048

Tricuspid annular plane systolic excursion (mm)

21.8 ± 6.6

21.8 ± 5.0

22.2 ± 6.6

23.1 ± 4.9

9.77

0.345

0.74

Tissue velocity

12.9 ± 2.1

13.7 ± 3.2

13.9 ± 3.7

14.2 ± 3.9

9.91

0.92

0.40

PAP (mmHg)

32.7 ± 9.5

30.2 ± 6.2

27.7 ± 7.7

26.4 ± 5.9

386.8

6.52

0.001

RV E/e’

7.2 ± 1.15

6.5 ± 1.18

6.4 ± 2.5

6.3 ± 2.0

13

0.49

0.55

RV deceleration time

175.1 ± 61.5

176.8 ± 44.9

163.6 ± 36.9

169.1 ± 44.3

1700.4

0.746

0.49

TAPSE/PASP

0.78 ± 0.20

0.76 ± 0.20

0.86 ± 0.22

0.92 ± 0.24

0.259

5.94

0.002

RA volume index

23.39 ± 7

26.20 ± 7.8

26.39 ± 4.8

24.20 ± 4.8

187.2

15.2

0.000

  1. *Adjusted for age, BMI, duration of dialysis, serum creatinine and phosphorus level