Table 1 aPulmonary function test results before and after treatment with immunosuppression
Before Treatment | After 9 months of Treatment | After 3 years of Treatment | |
|---|---|---|---|
FVC | 3.8 L (94% ref) | 4.9 L (117% ref) | 5.6 L (118% ref) |
FEV1 | 2.8 L (80% ref) | 3.6 L (99% ref) | 4.1 L (100% ref) |
FEV1/FVC ratio | 73% | 73% | 73% |
FEF25–75 | 2.2 L/s (56% ref) | 2.8 L/s (71% ref) | 3.3 L/s (72% ref) |
TLC | 5.8 L (120% ref) | 6.5 L (129% ref) | 7.6 L (142% ref) |
RV | 1.9 L (193% ref) | 1.6 L (154% ref) | 1.9 L (176% ref) |
RV/TLC ratio | 33% | 25% | 26% |
DLCO | 26.2 mL/mmHg/min (81% ref) | 28.8 mL/mmHg/min (88% ref) | 33.5 mL/mmHg/min (87% ref) |
Interpretation | |||
Spirometry | Mild-moderate obstructive pattern | Mild obstructive pattern | Mild obstructive pattern |
Lung volumes | TLC, RV and RV/TLC elevated | TLC and RV elevated | TLC and RV elevated |
DLCO | Normal | Normal (improved from previous) | Normal (improved from previous) |