Table 1.
Characteristics of patients and RHC procedures.
| Total | Age < 75 years | Age ≥ 75 years | P | |
|---|---|---|---|---|
| (n = 1060) | (n = 832) | (n = 228) | ||
| Age (years) | 66 ± 14.2 | 61 ± 12.7 | 79 ± 3.5 | |
| Female gender (n (%)) | 580 (54.7) | 458 (55.0) | 122 (53.5) | 0.679 |
| BMI (kg/m2) | 25.8 ± 6.34 | 25.6 ± 6.5 | 26.3 ± 5.7 | 0.199 |
| RHC (n (%)) | <0.001 | |||
| Baseline | 369 (34.8) | 272 (32.7) | 97 (42.5) | |
| Follow-up | 691 (65.2) | 560 (67.3) | 131 (57.5) | |
| Vascular access site (n (%)) | 0.553 | |||
| Humeral vein | 513 (49.4) | 397 (48.5) | 116 (52.7) | |
| Femoral vein | 522 (50.2) | 418 (51.1) | 104 (47.3) | |
| Internal jugular vein | 3 (0.3) | 3 (0.4) | – | |
| Dose length product (Gy/cm2) | 6 ± 16.7 | 5 ± 15.8 | 6 ± 19.7 | 0.090 |
| Hemodynamic diagnosis | 0.475 | |||
| RHC (n) | 369 | 272 | 97 | |
| Normal (n (%)) | 92 (25.0) | 71 (26.1) | 21 (21.6) | |
| Pre-capillary PH (n (%)) | 224 (60.8) | 165 (60.7) | 59 (60.8) | |
| Post-capillary PH (n (%)) | 33 (8.9) | 23 (8.4) | 10 (10.4) | |
| Combined PH (n (%)) | 18 (4.9) | 12 (4.4) | 6 (6.2) | |
| Hyperdynamic state (n (%)) | 2 (0.5) | 1 (0.4) | 1 (1.0) | |
| PH etiological group (n) | 242 | 177 | 65 | 0.03 |
| Group 1 (n (%)) | 110 (45.5) | 86 (48.6) | 24 (36.9) | |
| Group 3 (n (%)) | 75 (31.0) | 52 (29.4) | 23 (35.4) | |
| Group 4 (n (%)) | 38 (15.7) | 22 (12.4) | 16 (24.6) | |
| Group 5 (n (%)) | 19 (7.8) | 17 (9.6) | 2 (3.1) | |
| Adverse events (n (%)) | 9 (0.9) | 6 (0.7) | 3 (1.3) | 0.513 |
| Local vascular injury | 8 (0.8) | 5 (0.6) | 3 (1.3) | |
| Cardiac complications | 1 (0.1) | 1 (0.1) | – |
BMI, body mass index; RHC, right heart catheterization; PH, pulmonary hypertension.