Clinical Study
Retrograde Intrarenal Surgery in Patients Who Previously Underwent Open Renal Stone Surgery
Table 2
Intraoperative and postoperative comparisons between groups.
| | Group 1 (study group) | Group 2 (control group) | value |
| Mean operative time (min) | 79.5 ± 37.8 (25–165) | 76.1 ± 35.9 (30–150) | 0.463 | Use of ureteral access sheath | 95% (39/41) | 88% (37/42) | 0.433 | Use of basket catheter | 56% (23/41) | 52% (22/42) | 0.827 | Ureteral stent placement | 71% (29/41) | 67% (28/42) | 0.814 | Mean duration of ureteral stent (day) | 30.3 ± 26.6 (2–120) | 22.1 ± 9.2 (3–30) | 0.127 | Mean hospital stay (hour) | 23.7 ± 8.0 (6–48) | 25.6 ± 6.4 (18–48) | 0.258 | SFR (%) | | | | First procedure | 82% (28/34) | 90% (36/40) | 0.497 | Second procedure | 100% (34/34) | 95% (38/40) | 0.496 | Complication rates | 17% (7/41) | 17% (7/42) | 0.596 | (1) Intraoperative | 5% | 7% | | Ureteral trauma | 1 | 2 | | Hemorrhage | 1 | 1 | | (2) Postoperative | 12% | 10% | | Renal colic | 3 | 2 | | Prolonged hematuria | 1 | 1 | | Urinary tract infection | 1 | 1 | |
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