Outcome of cases with chronic thromboembolic pulmonary hypertension diagnosed by the Scottish Pulmonary Vascular Unit between 2000 and 2008
| Aug 2000 – July 2004 | Aug 2004 – July 2008 | Annual rate per million for 2004–2008 | |
| Cases diagnosed | 18 | 50 | 2.5 |
| Cases referred to Papworth | 16 | 44 | 2.2 |
| Cases not referred | 2 | 6 | |
| Patients referred to Papworth | |||
| Operable | 8 | 26 | 1.3 |
| Not operable | 7 | 13 | |
| Awaiting decision | 0 | 4 | |
| Died before being seen | 1 | 1 | |
| Outcome if operable | |||
| PEAs | 6 | 20 | 1.0 |
| Died pre-operatively | 2 | 0 | |
| Operable but declined | 0 | 5 | |
| Awaiting operation | 0 | 1 |
Data are presented as n. PEA: pulmonary endarterectomy. These data show a number of possible additional reasons for the low Scottish rate seen in the study by Toshner et al. 1.