Table 1 Aetiologies of rapid deterioration
From: Acute exacerbation of fibrotic hypersensitivity pneumonitis: incidence and outcomes
Aetiology | Cases | Documented organisms (n) |
|---|---|---|
Total RD | 33 (32.7) | |
Bilateral lesion | ||
Acute exacerbation | 18 (17.8) | |
Definite | 9 (8.9) | |
Suspected | 9 (8.9) | |
Infection | 9 (8.9) | |
Viral | 4 (4.0) | Influenza (2), Respiratory syncytial virus (2) |
Mycobacterial | 1 (1.0) | Mycobacterium tuberculosis (1) |
Suspected | 4 (4.0) | |
Focal lesion | ||
Pneumothorax | 3 (3.0) | |
Infection | 3 (5.0) | |
Bacterial | 1 (1.0) | Pseudomonas aeruginosa (1) |
Mycobacterial | 1 (1.0) | Mycobacterium tuberculosis (1) |
Suspected | 1 (1.0) | |