Table 2.
Perioperative outcomes of 32 patients with staghorn stones treated with RIRS and TFL lithotripsy
| Parameter | No (%) |
|---|---|
| Operation time, minutes (median, range) | 135 (70–200) |
| Access sheath size (Fr) | |
| 10/12 | 19 |
| 11/12 | 8 |
| 12/14 | 5 |
| Lithotripsy techniques | |
| Stone dusting | 26 (81.3%) |
| Stone fragmentation | 15 (46.8%) |
| Popcorning | 28 (87.5%) |
| Stone extraction by basket | 4 (12.5%) |
| Laser time (minutes) (median, range) | 117 (50–180) |
| Pulse energy (Joules) (median, range) | 0.5 (0.2–0.7) |
| Pulse frequency (Hz) (median, range) | 20 (12–60) |
| Total energy used (KJ) (mean ± SD) | 63.9 ± 30 |
| Laser efficacy (J/mm3) | 7.5 ± 3.6 |
| Laser active time (%) | 85.7% (71-95%) |
| Ablation speed (mm3/s) (median, range) | 1.3 (0.5–4.9) |
| Length of hospital stay, hours (median, range) | 7 (3.5–48) |
| Day case rate (same day discharge) | 30 (93.7%) |
| Post-operative stent dwelling time, weeks (median, range) | 4 (1–6) |
| Initial stone free rate (SFR) | |
| Grade A (no fragments) | 17 (53.12%) |
| Grade B (RF ≤ 2 mm) | 6 (18.75%) |
| Grade C (RF > 2 mm) | 9 (28.12%) |
| Final stone free rate (SFR) | 21 (65.6%) |
| Reintervention for residual stones | 4 (12.5%) |
| RIRS | 3 |
| Semirigid ureteroscopy | 1 |
| Number of procedures /patient | 1.12 |
| Overall complication rate | 8 (25%) |
| Flank pain (Grade I) | 7 |
| Hematuria (Grade I) | 2 |
| Vomiting (Grade I) | 1 |
| Febrile UTI (Grade II) | 2 |