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Different heparin anticoagulant doses determined by the risk of bleeding
| Loading dose (IU/kg) | Maintenance dose IU/(kg∙h) | INR | APTT (s) | PLT (×109/L) |
|---|---|---|---|---|
| 30 ~ 50 | 10 | ≤ 1.5 | ≤ 40 | ≥ 150 |
| 20–40 | 5 | > 1.5 but ≤2.5 | > 40 but ≤60 | < 150 but ≥70 |
| No | Citrate anticoagulation or no anticoagulation | > 2.5 | > 60 | < 70 |
