Table 3. Causes of death in patients with microscopic polyangiitis.
| Pt | Lung involvement | Treatment | Overall survival (months) | Cause of death |
|---|---|---|---|---|
| 1 | IP | Steroid pulse | 1 | Pneumonia, ARDS |
| 2 | IP | Oral steroid | 4 | Exacerbation of DAH |
| 3 | IP | Steroid pulse, CP | 5 | Multiple organ failure |
| 4 | IP | Oral steroid | 10 | Sudden death (unknown) |
| 5 | IP | Steroid pulse, CP | 11 | Exacerbation of IP |
| 6 | DAH | Steroid pulse | 3 | Exacerbation of DAH |
| 7 | DAH | Steroid pulse | 9 | Heart failure |
| 8 | BE | Oral steroid | 34 | Pneumonia |
| 9 | BE | Steroid pulse | 36 | Pneumonia |
IP, interstitial pneumonia; ARDS, acute respiratory distress syndrome; DAH, diffuse alveolar hemorrhage; CP, cyclophosphamide; BE, bronchiectasis.