Control of the Red Cell and Platelet Cell Lines on HU and Pi (in Patients Followed More Than 2 Years)
| . | . | HU (on 133 cases) . | Pi (on 108 cases) . | . | Escalation . | Further . |
|---|---|---|---|---|---|---|
| . | . | . | . | . | . | Change of . |
| . | . | . | . | . | . | Treatment . |
| Red cell line | Efficient control (Ht < 50%) | 109 cases (82%) | 97 cases (90%) | |||
| Insufficient control (Ht increasing toward 50%) | 24 cases (18%) | 11 cases (10%) | HU | 20 cases | 6 cases | |
| Pi | 8 cases | 3 cases | ||||
| Platelet line | ||||||
| (in patients with initial platelet excess) | Efficient control (<400.109/L) | 75 cases (55%) | 84 cases (78%) | |||
| Platelet count stable between 400 and 600.109/L | 43 cases (32%) | 19 cases (17%) | HU | 32 cases | 4 cases | |
| Pi | 7 cases | 1 case | ||||
| Platelet count increasing beyond 600.109/L | 15 cases (13%) | 5 cases (5%) | HU | 15 cases | 8 cases | |
| Pi | 4 cases | 1 case |
| . | . | HU (on 133 cases) . | Pi (on 108 cases) . | . | Escalation . | Further . |
|---|---|---|---|---|---|---|
| . | . | . | . | . | . | Change of . |
| . | . | . | . | . | . | Treatment . |
| Red cell line | Efficient control (Ht < 50%) | 109 cases (82%) | 97 cases (90%) | |||
| Insufficient control (Ht increasing toward 50%) | 24 cases (18%) | 11 cases (10%) | HU | 20 cases | 6 cases | |
| Pi | 8 cases | 3 cases | ||||
| Platelet line | ||||||
| (in patients with initial platelet excess) | Efficient control (<400.109/L) | 75 cases (55%) | 84 cases (78%) | |||
| Platelet count stable between 400 and 600.109/L | 43 cases (32%) | 19 cases (17%) | HU | 32 cases | 4 cases | |
| Pi | 7 cases | 1 case | ||||
| Platelet count increasing beyond 600.109/L | 15 cases (13%) | 5 cases (5%) | HU | 15 cases | 8 cases | |
| Pi | 4 cases | 1 case |