Table 4 Operative characteristics of 51 patients with proximal ureteric stones exposed to ureteroscopic Ho:YAG laser lithotripsy classified as small (<10 mm) and large (>10 mm) stones
Operative characteristics | |||
|---|---|---|---|
Proximal ≤ 10 mm (n = 34) | Proximal > 10 mm (n = 23) | P value | |
Ureteroscope | 0.778 | ||
Semirgid | 7 (20.6) | 5 (21.7) | |
Flexible | 2 (5.9) | - | |
Combination | 25 (73.5) | 18 (78.3) | |
Mean OR time (min.) | 80.7 ± 6.5 | 82.3 ± 5.9 | 0.866 |
Mean laser time | 349.5 ± 69.9 | 434.3 ± 66.9 | 0.243 |
Mean total energy (J) | 2480.3 ± 585.8 | 2619.3 ± 547.1 | 0.483 |
Postoperative stent (n) | 31 (91.2) | 19 (82.6) | 0.345 |
Intra operative complications (n) | 1 (2.9) | 0 (0) | 0.431 |
Post operative complications (n) | 1 (2.9) | 0 (0) | 0.431 |
Overall SFR per patient | 28/31 (90.3) | 20/20 (100) | 0.163 |
SFR after first treatment per patient | 25/31 (80.6) | 17/20 (85) | 0.704 |
SFR after second treatment per patient | 28/31 (90.3) | 20/20 (100) | 0.163 |
Laser rate | 1,1 ± 0,1 | 1,2 ± 0,1 | 0.675 |