Table 5 Changes of hemodynamics and NT-proBNP in all unilateral and bilateral BPA
|  | All BPA sessions (N = 131) | Unilateral BPA (N = 82) | Bilateral BPA (N = 49) | *p value |
|---|---|---|---|---|
Interval between BPA (days) | 80 (48, 131) | 70 (32, 113) | 98 (65, 185) | 0.01 |
Changes of hemodynamics | ||||
 Heart rate | − 4.4 ± 12.1 | − 4.6 ± 12.0 | − 4.0 ± 12.5 | 0.81 |
 Mean RAP (mmHg) | − 1.0 (− 4.0, 2.0) | − 1.0 (− 4.0, 2.0) | 0.0 (− 3.0, 2.5) | 0.44 |
 Systolic PAP (mmHg) | − 6.9 ± 13.7 | − 6.0 ± 12.6 | − 8.5 ± 15.5 | 0.33 |
 Diastolic PAP (mmHg) | − 2.4 ± 6.3 | − 2.2 ± 6.8 | − 2.6 ± 5.6 | 0.75 |
 Mean PAP (mmHg) | − 3.9 ± 7.8 | − 3.6 ± 7.3 | − 4.5 ± 8.6 | 0.52 |
 Cardiac output (L/min) | 0.2 (− 0.4, 1.2) | 0.4 (− 0.2, 1.4) | 0.0 (− 0.7, 0.9) | 0.12 |
 Cardiac index (L/min/m2) | 0.1 (− 0.3, 0.7) | 0.2 (− 0.2, 0.8) | 0.1 (− 0.4, 0.6) | 0.19 |
 PVR (Wood Unit) | − 1.8 (− 4.2, 0.5) | − 1.8 (− 5.2, 0.3) | − 1.1 (− 3.5, 0.8) | 0.21 |
 PASO2 (%) | 1.9 ± 7.3 | 2.6 ± 7.1 | 0.7 ± 7.5 | 0.16 |
 MVSO2 (%) | 0.5 ± 4.2 | 0.5 ± 4.0 | 0.5 ± 4.6 | 0.99 |
 Changes of NT-proBNP (pg/ml) | − 75.0 (− 486.7, 1.7) | − 66.3 (− 357.7, 4.7) | − 77.8 (− 563.8, 0.8) | 0.98 |