Table 2.
Contrast-enhanced CT and echocardiographic findings
| Characteristic | CTEPH group (n = 15, 6.1%) | Non-CTEPH group (n = 231, 93.9%) | p value |
|---|---|---|---|
| Contrast-enhanced CT | |||
| Deep vein thrombosis | 4 (26.7) | 104 (45.0) | 0.190 |
| Thrombus location | 0.309 | ||
| Bilateral | 6 (40.0) | 120 (51.9) | |
| Unilateral, left | 0 | 20 (8.7) | |
| Unilateral, right | 9 (60.0) | 91 (39.4) | |
| Thrombus site | 0.306 | ||
| Main pulmonary artery | 9 (60.0) | 93 (40.3) | |
| Lobar pulmonary artery | 4 (26.7) | 99 (42.9) | |
| Segmental pulmonary artery | 1 (6.7) | 33 (14.3) | |
| Subsegmental pulmonary artery | 1 (6.7) | 6 (2.6) | |
| Echocardiographic parameter | |||
| RV dilatation, % | 10 (66.7) | 65 (28.1) | 0.002 |
| RV dysfunction, % | 7 (46.7) | 62 (26.8) | 0.098 |
| RV hypertrophy, % | 6 (40.0) | 18 (7.9) | < 0.001 |
| D-shaped LV, % | 6 (40.0) | 22 (9.5) | < 0.001 |
| RV systolic pressure, mmHg | 75.5 (42.0–98.8) | 39.0 (28.0–49.0) | < 0.001 |
| Inferior vena cava size, mm | 23.0 (20.5–23.5) | 21.5 (20.0–24.0) | 0.839 |
| Follow-up echo periods, day | 314.5 (205–367) | 122 (15.5–476.5) | 0.023 |
| Follow-up RV systolic pressure, mmHg | 77 (52.5–89.8) | 35.5 (32–41) | < 0.001 |
Values are presented as number (%) or median (interquartile range).
CT, computed tomography; CTEPH, chronic thromboembolic pulmonary hypertension; RV, right ventricular; LV, left ventricular.