[Upper obstructive uropathies in newborns and infants. Our experience over the past 11 years].

We review 68 cases of ureterohydronephrosis in the newborn and nursling due to high urinary tract abnormalities, like ureteropelvic junction obstruction, obstructed megaureter, vesicoureteral reflux, renal duplication and simple ureterocele. A diagnostic evaluation is done, referred to his higher precocity, due to prenatal echographic screening. We evaluate also the surgical techniques employed, his complications and his indications. In the last five years, we have found that the definitive surgical correction in the neonatal period ive us good results.