Possible underlying conditions for recurrent VTE during anticoagulation
| Possible conditions . |
|---|
| Insufficient intensity of anticoagulation Active cancer |
| Anatomical abnormalities (ie, May-Thurner syndrome)* |
| Myeloproliferative neoplasms (ie, polycythemia vera, essential thrombocythemia)* |
| Paroxysmal nocturnal hemoglobinuria* |
| Phospholipid antibody syndrome* |
| Heparin-induced thrombocytopenia |
| Possible conditions . |
|---|
| Insufficient intensity of anticoagulation Active cancer |
| Anatomical abnormalities (ie, May-Thurner syndrome)* |
| Myeloproliferative neoplasms (ie, polycythemia vera, essential thrombocythemia)* |
| Paroxysmal nocturnal hemoglobinuria* |
| Phospholipid antibody syndrome* |
| Heparin-induced thrombocytopenia |
Low level of scientific evidence.