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