Table II.
Operative details and device characteristics
| Total (N=184) | CKD 1–2 (N=107) | CKD 3–5 (N=77) | P value | |
|---|---|---|---|---|
| Number of target vessels | 2.8 ± 0.5 | 2.9 ± 0.5 | 2.8 ± 0.5 | .03 |
| Device type | .04 | |||
| Cook ZFEN | 177 (96.2) | 100 (93.5) | 77 (100) | |
| Cook P-Branch | 7 (3.8) | 7 (6.54) | 0 (0) | |
| Device diameter, mm | 30.4 ± 3.4 | 30.2 ± 3.4 | 30.6 ± 3.4 | .44 |
| Percutaneous access only | 86 (46.7) | 56 (52.3) | 30 (39.0) | .07 |
| Brachial or axillary access | 8 (4.4) | 7 (6.5) | 1 (1.3) | .14 |
| Right renal artery stent diameter, mm | 6.3 ± 0.5 | 6.3 ± 0.5 | 6.1 ± 0.6 | .03 |
| Left renal artery stent diameter, mm | 6.4 ± 0.6 | 6.4 ± 0.6 | 6.2 ± 0.6 | .03 |
| Estimated blood loss, mL | 275 ± 285 | 228 ± 239 | 342 ± 330 | .01 |
| Median fluoroscopy time (IQR), min | 52.1 (34.0) | 50.9 (33.1) | 56.7 (32.9) | .19 |
| Median radiation dose (IQR), mGy | 3558 (3396) | 3312 (3318) | 3742 (3616) | .17 |
| Contrast volume, mL | 94 ± 40 | 95 ± 42 | 93 ± 38 | .64 |
| Operating room time, min | 172 ± 77 | 162 ± 71 | 186 ± 83 | .04 |
| Technical successa | 179 (97.3) | 106 (99.1) | 73 (94.8) | .16 |
| Median length of stay (IQR), days | 2 (2) | 2 (2) | 3 (2) | <.01 |
Values reported as number (%) or mean ± standard deviation, unless otherwise indicated.
CKD, chronic kidney disease; IQR, interquartile range.
a
Technical success defined as all target vessels patent without proximal endoleak on completion angiogram.