Indications for a vena caval filter
| 1. Absolute contraindication to anticoagulation |
| —CNS hemorrhage |
| —Overt gastrointestinal bleeding |
| —Retroperitoneal hemorrhage |
| —Massive hemoptysis |
| —Cerebral metastases |
| —Massive cerebrovascular accident |
| —CNS trauma |
| —Significant thrombocytopenia (<50,000/μL) |
| 2. Life-threatening hemorrhage on anticoagulation |
| 3. Failure of adequate anticoagulation |
| 1. Absolute contraindication to anticoagulation |
| —CNS hemorrhage |
| —Overt gastrointestinal bleeding |
| —Retroperitoneal hemorrhage |
| —Massive hemoptysis |
| —Cerebral metastases |
| —Massive cerebrovascular accident |
| —CNS trauma |
| —Significant thrombocytopenia (<50,000/μL) |
| 2. Life-threatening hemorrhage on anticoagulation |
| 3. Failure of adequate anticoagulation |