Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Evolution of pulmonary function test results after sildenafil treatment
| Before treatment | 6 months | 12 months | |
| TLC (l) | 7.03 | 7.66 | 7.51 |
| FVC (l) | 5.04 | 5.62 | 5.57 |
| FEV1 (l) | 4.32 | 4.72 | 4.62 |
| DCLO (%) | 68 | 75 | 75 |
D LCO, diffusing capacity of the lung for carbon monoxide; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; TLC, total lung capacity.
