Table 5. Comparisons of RHC parameters between IPAH and APAH in the incident cases of KORPAH.
| Parameters | All patients | IPAH | All patients with APAH | P value | APAH subgroup | ||
|---|---|---|---|---|---|---|---|
| CHD | CTD | Other | |||||
| Patients, No. (%) | 106 | 19 (17.9) | 87 (82.1) | 52 (49.1) | 32 (30.2) | 3 (2.8) | |
| RHC parameters | |||||||
| mPAP (mmHg) | 51.9 ± 16.3 | 47.8 ± 11.3 | 52.8 ± 17.2 | 0.249 | 56.5 ± 17.3 | 46.5 ± 15.5 | 47.0 ± 17.0 |
| mPCWP (mmHg) | 7.36 ± 3.53 | 6.63 ± 3.12 | 7.68 ± 3.70 | 0.346 | 6.67 ± 3.10 | 9.30 ± 3.80 | 9.33 ± 6.03 |
| mRAP (mmHg) | 8.19 ± 4.18 | 6.57 ± 4.38 | 8.71 ± 4.02 | 0.096 | 8.66 ± 4.13 | 8.60 ± 3.97 | 10.0 ± 4.24 |
| PVRI (Wood units·m2) | 10.2 ± 6.38 | 8.91 ± 4.62 | 10.7 ± 7.03 | 0.652 | 10.6 ± 7.32 | 10.0 ± 4.56 | 14.4 ± 17.4 |
| CI (L/min·m2) | 2.35 ± 0.79 | 2.20 ± 0.44 | 2.44 ± 0.93 | 0.673 | 2.79 ± 1.00 | 2.19 ± 0.71 | 2.12 ± 1.33 |
| SvO2 (%) | 51.4 ± 22.0 | 51.0 ± 15.3 | 51.5 ± 25.3 | 0.628 | 57.5 ± 28.9 | 45.4 ± 15.5 | 34.0 ± 8.72 |
APAH, acquired pulmonary arterial hypertension; IPAH, idiopathic pulmonary arterial hypertension; CHD, congenital heart disease; CTD, connective tissue disease; RHC, right heart catheterization; mPAP, mean pulmonary artery pressure; mPCWP, mean pulmonary capillary wedge pressure; mRAP, mean right arterial pressure; PVRI, pulmonary vascular resistance index; CI, cardiac index; SvO2, mixed venous oxygen saturation.