Endoscopic Treatment of Vesicoureteral Reflux in Children with Dextranomer/Hyaluronic Acid—A Single Surgeon's 6-Year Experience

Table 1

The treatment results of various VUR grading in our patients.

Grade of VUR	No. of ureter	Complete resolution after				Downgrade to Gr. I	Injected volume (mean)	Conversion to open surgery
		1 inj.	2 inj.	3 inj.	4 Inj.
I	9	9 (100%)	0	0	0	—	0.1–1 mL (0.6)	0
II	44	33 (75%)	7 (16%)	0	0	3 (7%)	0.2–1.3 mL (0.6)	1 (2%)
III	113	86 (76%)	18 (16%)	0	0	4 (4%)	0.1–1.7 mL (0.7)	5 (4%)
IV	57	31 (54%)	15 (26%)	2 (4%)	1 (2%)	2 (4%)	0.1–1.7 mL (0.9)	6 (10%)
V	16	2 (13%)	6 (38%)	2 (13%)	0	3 (18%)	0.3–2.3 mL (1.0)	3 (18%)