Main features of the 5 patients with HIT
| IN . | Age, y . | Sex . | Indication for UFH . | Initial daily dose, IU . | Previous heparin . | Time to HIT, d . | Antibody assay . | Platelet count, × 109/L, base/nadir . | Thromboembolism . |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 67 | F | Prophylaxis | 15 000 | No | 14 | Positive | 219/72 | No |
| 2 | 72 | F | Prophylaxis | 15 000 | No | 8 | Positive | 394/166 | Arterial embolism |
| 3 | 82 | F | Prophylaxis | 15 000 | No | 9 | Positive | 161/32 | Bilateral deep vein thrombosis, fatal myocardial infarction |
| 4 | 66 | M | Prophylaxis | 10 000 | No | 13 | Not performed | 300/13 | Fatal stroke |
| 5 | 73 | F | Prophylaxis | 15 000 | No | 22 | Not performed | 161/44 | No |
| IN . | Age, y . | Sex . | Indication for UFH . | Initial daily dose, IU . | Previous heparin . | Time to HIT, d . | Antibody assay . | Platelet count, × 109/L, base/nadir . | Thromboembolism . |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 67 | F | Prophylaxis | 15 000 | No | 14 | Positive | 219/72 | No |
| 2 | 72 | F | Prophylaxis | 15 000 | No | 8 | Positive | 394/166 | Arterial embolism |
| 3 | 82 | F | Prophylaxis | 15 000 | No | 9 | Positive | 161/32 | Bilateral deep vein thrombosis, fatal myocardial infarction |
| 4 | 66 | M | Prophylaxis | 10 000 | No | 13 | Not performed | 300/13 | Fatal stroke |
| 5 | 73 | F | Prophylaxis | 15 000 | No | 22 | Not performed | 161/44 | No |