Abstract

To determine the outcome of antenatally detected hydronephrosis in the post natal period. Objectives: To follow up all cases of Antenatally diagnosed hydronephrosis postnatally to determine the time course until spontaneous resolution of antenatal hydronephrosis and to identify the causes of hydronephrosis persisting in the postnatal period which requires early intervention. Materials and Methods: A total of 109 children with antenatal hydronephrosis were followed up with timely ultrasonography and other investigations(wherever necessary and also making a note on the various grades of hydronephrosis and their outcomes in postnatal life. Results: A total of 109 children with antenatal hydronephrosis were followed up in the current study. It was observed that most of the cases in our study were males with a M:F ration of 2.4:1. The most common cause of antenatal HUN were transient HUN(81%) followed by PUJ(10%) and VUR(3.7%).There was an increase in the number of children who resolved in the postnatal period as noted as 13.8%(15/109) children by day 7,57.8%(63/109) children by 1st month, 79.84%(87/109) children by 6th month and 87.2%(95/109)cases by 1st year. The risk of postnatal pathology increases with the severity of HN. Out of 109 babies with antenatal hydronephrosis 16 babies had persistent hydronephrosis at 1 year follow up. Conclusion: In foetuses with hydronephrosis detected in late second trimester, a thorough work up is required to rule out other anomalies and a follow up USS in third trimester can identify the progress of the same so that treatment and postnatal follow up can be planned accordingly.There is an increased risk of postnatal pathology as the grade of hydronephrosis increases. Most of the cases are managed conservatively as most of the resolve in the infancy with watchful waiting.

Description