Table 2. Clinical and hemodynamic data before and after BPA.
| Variables | Before BPA | After BPA | P value |
|---|---|---|---|
| NYHA (class) | 2.87 ± 0.83 | 1.67 ± 0.62 | 0.002 |
| 6MWD, m | 387.00 ± 86.44 | 453.38 ± 64.79 | 0.01 |
| NT-proBNP, pg/mL | 2,085.50 ± 2,571.01 | 690.80 ± 1,221.96 | 0.002 |
| Mean PAP, mmHg | 41.07 ± 13.11 | 32.07 ± 9.54 | < 0.001 |
| Right atrial pressure, mmHg | 7.67 ± 4.70 | 5.27 ± 4.32 | 0.001 |
| Pulmonary arterial wedge pressure, mmHg | 9.29 ± 4.43 | 9.93 ± 4.65 | 0.42 |
| Cardiac output, L/min | 5.32 ± 1.70 | 5.27 ± 1.92 | 0.85 |
| CI, L/min/m2 | 2.94 ± 0.79 | 2.96 ± 0.93 | 0.92 |
| PVR, dyne.sec.cm−5 | 607.43 ± 452.28 | 406.71 ± 265.37 | 0.01 |
| Mixed venous saturation, % | 69.7 ± 8.7 | 72.6 ± 5.8 | 0.04 |
| Arterial oxygen saturation, % | 93.11 ± 2.51 | 95.13 ± 3.23 | 0.04 |
| Heart rate, BPM | 81.4 ± 15.0 | 75.7 ± 13.3 | 0.13 |
| Right ventricular systolic pressure, mmHg | 68.13 ± 22.72 | 53.53 ± 19.06 | 0.003 |
| TAPSE, mm | 14.07 ± 3.63 | 15.57 ± 4.26 | 0.03 |
| Peak systolic annular velocity, m/s | 0.095 ± 0.230 | 0.103 ± 0.270 | 0.33 |
| Right ventricular basal diameter, mm | 49.40 ± 12.28 | 44.46 ± 10.43 | 0.05 |
| Right ventricular fractional area change, % | 36.18 ± 22.66 | 27.70 ± 8.04 | 0.33 |
Values are presented as mean ± standard deviation.
BPA = balloon pulmonary angioplasty, NYHA = New York Heart Association, 6MWD = 6-minute walk distance, NT-proBNP = N-terminal-pro-brain natriuretic peptide, PAP = pulmonary arterial pressure, CI = cardiac index, PVR = pulmonary vascular resistance, BPM = beats per minute, TAPSE = tricuspid annular plane systolic excursion.