Table 9.
Biopsy procedures and timing of bleeding after biopsy for patients undergoing transcatheter arterial embolization (TAE)
| (%) | |
|---|---|
| Biopsy procedures | |
| Needle gauge | |
| 14 | 8 |
| 15 | 62 |
| 16 | 3 |
| 17 | 27 |
| Needle passes for sampling specimens | |
| 1 | 3 |
| 2 | 32 |
| 3 | 35 |
| 4 | 14 |
| ≥ 5 | 16 |
| Use of hemostatic agents | |
| Yes | 57 |
| No | 43 |
| Manual compression on the biopsy site after biopsy | |
| < 15 min | 61 |
| 15–30 min | 31 |
| ≥ 30 min | 8 |
| Strict bed rest in a supine position after biopsy | |
| < 2 h | 26 |
| 2–4 h | 28 |
| 4–8 h | 30 |
| 8–12 h | 13 |
| ≥ 12 h | 3 |
| Total bed rest after biopsy | |
| < 8 h | 13 |
| 8–16 h | 30 |
| 16–24 h | 48 |
| ≥ 24 h | 8 |
| Number of kidney biopsies the operators had experienced | |
| < 50 | 32 |
| Before the biopsy for the patient with TAE | |
| 50–200 | 39 |
| ≥ 200 | 29 |
| Timing of bleeding requiring TAE after biopsy | |
| Cumulative timing of bleeding | |
| < 6 h | 53 |
| < 12 h | 60 |
| < 24 h | 65 |
| < 7 days | 80 |
| ≥ 7 days | 20 |