Table 4: Management of prenatally diagnosed hydronephrosis I

Split renal function < 15% ------------------------------------------ ► Percutaneous nephrostomy

Recovery No recovery

Reconstruction Nephrectomy

Table 5: Management of prenatally diagnosed hydronephrosis II

Split renal function 15 - 40% -------------------------------------- ► Observation by ultrasound

Repeated scintigraphy 3^rd month of life

Function < 40% Function > 40%

Reconstruction Observation

Table 6: Management of prenatally diagnosed hydronephrosis III

Split renal function: a.p. diameter < 15 mm a.p. diameter > 15 mm

> 40%

Ultrasound every 3 months Ultrasound every month

Scintigraphy every 6 months Scintigraphy every 3 months

Function decreases < 40%

Reconstruction

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