Presentation of index CVC-VTE vs degree of thrombus resolution at repeat imaging
| Repeat imaging result, n (%) . | Time course of venous thrombosis . | |||||
|---|---|---|---|---|---|---|
| Acute (1-14 d) . | Subacute (15-28 d) . | Chronic (>28 d) . | ||||
| Symptomatic, n = 41 . | Asymptomatic, n = 30 . | Symptomatic, n = 12 . | Asymptomatic, n = 6 . | Symptomatic, n = 23 . | Asymptomatic, n = 14 . | |
| Normalized | 23 (56) | 19 (63) | 8 (67) | 3 (50) | 11 (48) | 5 (36) |
| Improved | 15 (37) | 9 (30) | 4 (33) | 3 (50) | 9 (39) | 4 (29) |
| Unchanged | 1 (2) | 2 (7) | 0 | 0 | 1 (4) | 4 (29) |
| Deteriorated/recurrent VTE | 0 | 0 | 0 | 0 | 1 (4) | 0 |
| Not done or evaluable | 2 (5) | 0 | 0 | 0 | 1 (4) | 1 (7.1) |
| Repeat imaging result, n (%) . | Time course of venous thrombosis . | |||||
|---|---|---|---|---|---|---|
| Acute (1-14 d) . | Subacute (15-28 d) . | Chronic (>28 d) . | ||||
| Symptomatic, n = 41 . | Asymptomatic, n = 30 . | Symptomatic, n = 12 . | Asymptomatic, n = 6 . | Symptomatic, n = 23 . | Asymptomatic, n = 14 . | |
| Normalized | 23 (56) | 19 (63) | 8 (67) | 3 (50) | 11 (48) | 5 (36) |
| Improved | 15 (37) | 9 (30) | 4 (33) | 3 (50) | 9 (39) | 4 (29) |
| Unchanged | 1 (2) | 2 (7) | 0 | 0 | 1 (4) | 4 (29) |
| Deteriorated/recurrent VTE | 0 | 0 | 0 | 0 | 1 (4) | 0 |
| Not done or evaluable | 2 (5) | 0 | 0 | 0 | 1 (4) | 1 (7.1) |
Classification of venous thrombosis based on interval between start of use of a central venous catheter and start of initial heparinization. For this analysis, repeat imaging results include those that were assessed as uncertain because of performance outside the required time window.