Echocardiographic Parameters

Baseline

(n = 12)

Post-treatment

(n = 11*)

P-value

Right ventricular function

Normal

6 (50%)

11 (100%)

0.04

Mildly depressed

4 (33%)

0 (0%)

<0.01

Moderately depressed

2 (17%)

0 (0%)

<0.01

Interventricular septal position

Normal

0 (0%)

4 (36%)

0.09

Flattened septum

7 (59%)

7 (64%)

1.00

Bowing into the left ventricle

5 (42%)

0 (0%)

0.04

RVSP from TR (mmHg)

79 ± 23 [40 - 120]

52 ± 25 [23 - 100]

<0.001

Left ventricular ejection fraction (%)

77 ± 10 [58 - 88]

71 ± 9.6 [59 - 88]

0.50

Catheterization Parameters

Baseline

(n = 7)

Post-treatment

(n = 4)

P-value

95% CI

PVRI (Wood units × m2)

5.06

3.14

0.140

−0.77 - 4.62

SVRI (Wood units × m2)

10.7

11.4

0.811

−7.80 - 6.27

PVR/SVR ratio

0.54

0.34

0.253

−0.17 - 0.57

MPAP (mmHg)

34.4

31.0

0.443

−5.67 - 12.9

DPAP (mmHg)

21.0

16.0

0.018

1.06 - 8.94

Transpulmonary gradient (mmHg)

23.7

18.7

0.183

−2.79 - 12.8

Diastolic pulmonary gradient (mmHg)

9.5

7.0

0.403

−3.87 - 8.87

Laboratory Parameters

Baseline

(n = 12)

Post-treatment

(n = 12)

P-value

95% CI

NT-proBNP

21071

2037

<0.001

4655 - 33413

Hemoglobin

11.09

11.95

0.161

−2.07 - 0.36

Platelet count

269.75

259.24

0.732

−51.3 - 72.3

Aspartate transaminase

52.1

45.54

0.359

−7.78 - 20.9

Alanine aminotransferase

43.3

32.96

0.137

−3.46 - 24.1