Table 3 Comparison of pre-BPA and post-BPA parameters in all patients

Echocardiography

 PASP, mmHg

86.9 ± 20.5

56.5 (32.6)

 < 0.001

 TAPSE, mm

14.8 ± 3.3

17.4 ± 3.5

 < 0.001

 LVEI

1.3 (0.2)

1.1 (0.2)

 < 0.001

 TRV, cm/s

433.0 ± 58.1

350.0 (109.0)

 < 0.001

 D_IVC, mm

22.4 ± 4.7

20.3 (4.9)

0.008

 S', cm/s

9.1 (2.5)

10.6 (3.3)

 < 0.001

 RIMP

0.8 (0.3)

0.6 (0.2)

 < 0.001

 FAC, %

29.4 ± 9.9

38.9 ± 10.0

 < 0.001

 RVEDA, cm²

25.3 ± 7.2

18.0 (7.8)

 < 0.001

 RVESA, cm²

18.2 ± 6.8

11.0 (6.3)

 < 0.001

 RV basal diameter, mm

45.9 ± 6.9

38.0 (9.0)

 < 0.001

 D_MPA, mm

32.0 (6.2)

30.0 (5.5)

0.034

 D_RPA, mm

24.0 (4.4)

23.5 (4.0)

0.180

 D_LPA, mm

22.0 (4.0)

20.0 (3.3)

0.001

 LVEF, %

65.2 ± 5.1

65.3 ± 4.8

0.961

Strain parameters

 STE-RVFWLS, %

15.7 (7.6)

21.0 (10.8)

 < 0.001

 STE-RVGLS, %

13.4 ± 4.4

17.1 ± 5.1

 < 0.001

Hemodynamics

 CVP, mmHg

8.1 ± 4.1

6.0 (4.0)

0.019

 mPAP, mmHg

50.8 ± 10.4

35.5 ± 11.9

 < 0.001

 PCWP, mmHg

9.0 (5.5)

9.5 ± 3.3

0.780

 PVR, dyn·s·cm⁻⁵

888.7 ± 363.5

545.4 ± 383.8

 < 0.001

 CO, L/min

3.9 (1.4)

4.0 (1.3)

0.103

 CI, L/min/m²

2.3 ± 0.5

2.5 ± 0.6

0.014

Clinical indicators

 WHO FC

 I/II/III/IV

4/40/29/3

19/47/9/1

 < 0.001

 6WMD, m

385.5 (126.0)

454.5 (85.5)

 < 0.001

 NT-proBNP, ng/L

675.0 (1858.0)

134.0 (276.0)

 < 0.001