Table 2 Operative characteristics, outcome and complications of ureteroscopic Ho:YAG laser lithotripsy in 88 patients: proximal versus distal ureteral calculi
Number of patients | Proximal stones 51 | Distal stones 37 | P value |
|---|---|---|---|
Ureteroscope number of procedures (%) | |||
Semirigid | 12 (21.1) | 37 (100) | < 0.001 |
Flexible | 2 (3.5) | ||
Combination | 43 (75.4) | ||
Operation time (min)* | 81,3 + 4,5 | 65.7 ± 3.8 | 0.017 |
Laser time (sec)* | 379.8 + 50.8 | 154.3 ± 38.1 | 0.009 |
Total energy (J)* | 2528,8 ± 422.6 | 1148.5 ± 400.7 | 0.002 |
Number of patients with postoperative stent (%) | 50 (87.7) | 31 (83.8) | 0.596 |
No of intra operative complications (%) | 1 (1.8) | 2 (5.4) | 0.334 |
No of early post-operative complications (%) | 1 (1.8) | 3 (8.1) | 0.141 |
Overall SFR per patient | 48 (94.1) | 37 (100) | 0.139 |
SFR after first treatment per patient (%) | 42 (82.4) | 37 (100) | 0.008 |
SFR after second treatment per patient (%) | 48 (94.1) | --------- | --------- |
No of laser procedures* | 1.1 ± 0.1 | 1.0 ± 0.0 | 0.027 |