Improvements in functional parameters following pulmonary endarterectomy
| Pre-operative | 3-month follow-up | p-value | |
| Patients n | 314 | 306 | |
| mPAP mmHg | 48±12 | 26±10 | <0.001 |
| PVR dyn·s·cm−5 | 805±365 | 301±232 | <0.001 |
| Cardiac index L·min−1·m−2 | 2.0±0.7 | 2.5±0.5 | <0.001 |
| 6MWD m | 269±119 | 367±108 | <0.001 |
| NYHA-FC I/II % | 8.7 | 83.0# |
mPAP: mean pulmonary arterial pressure; PVR: pulmonary vascular resistance; 6MWD: 6-min walking distance; NYHA-FC: New York Heart Association functional class. #: 87.5% at 12 months. Reproduced and modified from [29] with permission from the publisher.