Retrograde intrarenal surgery in pediatric patients

Table 2 Comparison of percutaneous nephrolithotomy and retrograde intrarenal surgery data in a recent study by Resorlu et al[30] n (%)

	PNL	RIRS
No. patients	106 (52.7)	95 (47.3)
Mean fluoroscopy time ± SD (s)	113.7 ± 36.6	33.2 ± 14.6
Mean operative time ± SD (min)	76.3 ± 21.2	42.1 ± 15.3
Mean hospitalization time ± SD (d)	3.1 ± 1.2	1.7 ± 0.6
Initial stone-free rate	91 (85.8)	80 (84.2)
Stones ≥ 20 mm	78/93 (83.9)	4/8 (50.0)
Stones < 20 mm	13/13 (100)	76/87 (87.3)
Final stone-free rate	100 (94.3)	88 (92.6)
Minor (Clavien I–II) complications	18 (17.0)	8 (8.4)
Major (Clavien III–IV) complications	-	-
Blood transfusion rate	7 (6.6)	-

PNL: Percutaneous nephrolithotomy; RIRS: Retrograde intrarenal surgery.