[Methods of surgical treatment of advanced hydronephrosis in children]

For the establishment of the therapeutic procedure in advanced hydronephroses the basic criterion is the functional state of their damaged kidney which can be assessed best by scintigraphy. The results of plastic repair of the damaged pelviureteral portion depends on the stage of hydronephrosis and the child's age. The best results were achieved in less damaged kidneys (hydronephroses I and II) in all age groups and in advanced hydronephroses (IV and V) in children under the age of one year. Early assessment of the diagnosis is important for achievement of good results. This is made possible by ultrasound screening. Early surgery can reduce the percentage of nephrectomies.