Table 1.
Patient characteristics at the time of 2-deoxy-2-[18F]-fluoro-d-glucose (18FDG) positron emission tomography
| Characteristic | IPAH patients | MI patients |
|---|---|---|
| Sex, no. | ||
| Male | 1 | 7 |
| Female | 15 | 0 |
| NYHA functional class, no. | ||
| II | 9 | … |
| III | 7 | … |
| Age, years | 46.1 ± 11.9 | 66.5 ± 12.2 |
| 6-minute walk distance, m | 466 ± 141 | … |
| Cardiac output, L min−1 | 4.9 ± 1.2 | … |
| Mean pulmonary arterial pressure, mmHg | 49 ± 13 | … |
| Mean right atrial pressure, mmHg | 6 ± 5 | … |
| Pulmonary vascular resistance, dyn s cm−5 | 628 ± 301 | … |
| Mixed venous saturation, % | 66 ± 8 | … |
| NT-proBNP, ng L−1 | 1,048 ± 1,644 | … |
| Serum glucose, mmol L−1 | 5.2 ± 0.8 | 5.6 ± 1.0 |
| Serum free fatty acids, mmol L−1 | 0.07 ± 0.02 | … |
Note
Data are mean ± standard deviation, unless otherwise indicated. IPAH: idiopathic pulmonary arterial hypertension; MI: myocardial infarction; NYHA: New York Heart Association; NT-proBNP: N-terminal prohormone of brain natriuretic peptide.