Abstract
Antenatal hydronephrosis is seen in up to 5% of pregnancies and may be due to structural anomalies in the urinary tract. The aim of the study was to look at how children born with antenatally diagnosed in 2007 have fared ten years on. A retrospective cohort study was done on all children born in 2007 with antenatally diagnosed Hydronephrosis using the SFU grading. The status of this cohort in 2017 was studied. The collected data included clinical characteristics including gender, diagnosis, gestation, signs, febrile UTIs, serum creatinine, surgical procedures and complications if any. Post natal imaging e.g. renal ultrasound, VCUG, renal scan findings were noted. The status of the Hydronephrosis in 2017 was recorded with regards to resolution. 110 (82 males) children with antenatally diagnosed hydronephrosis were born in 2007. Sixty-one of these children had unilateral hydronephrosis. Seventy of these children did not get a specific diagnosis at birth. Pelviureteric junction obstruction (n=15) was the commonest diagnosis. No intervention was needed in 72 children. Twenty-five children (25/38) required intervention within 6 months of birth. Renal scarring was seen more commonly in children with vesico-ureteric reflux and posterior urethral valves. Surgical interventions were most commonly done in children with an obstructive lesion in the urinary tract (31/33). Sixty-one children had complete resolution of their hydronephrosis (46 had no intervention). Seven children continue to have worsening of Hydronephrosis. Antenatal hydronephrosis well investigated and managed appropriately in the post natal period along with regular and good surveillance leads to good long term outcomes in a majority.
Published Version
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