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Interventional therapy of the patients.
| Case no. | First filter | Second filter | Dose of urokinase (U/bid) | Course of treatment (days) | IVC thrombus residue (%) | Dwell time (days) |
|---|---|---|---|---|---|---|
| 1 | Vena Tech | OptEase | 500,000 | 14 | <10 | 14 |
| 2 | OptEase | Tulip | 500,000 | 8 | <10 | 52 (14)a |
| 3 | Vena Tech | Tulip | 500,000 | 11 | <10 | 49 |
| 4 | OptEase | Tulip | 500,000 | 14 | >50 | 73 |
| 5 | OptEase | Tulip | 500,000 | 13 | <10 | 62 |
Dwell time of the Tulip filter was 52 days and the dwell time of the OptEase filter was 14 days. IVC, inferior vena cava.
