Hydronephrosis is a condition that occurs when kidneys are overfilled with urine because urine drains slower from the kidney to the bladder. Hydronephrosis in a new-born occurs due to the blockage of some part of the urinary tract or reflux of urine from the bladder to the kidney. This causes blockage of the outflow of urine and the kidney appears swollen. The swelling affects one kidney but, in rare cases, both the kidneys can be affected.
Hydronephrosis is of two types:
In some cases, hydronephrosis is mild and resolves on its own when the infant is born.
Most infants with hydronephrosis show no symptoms. Older children have the following symptoms depending on the severity of the conditions:
The root cause of hydronephrosis in an infant is not known. However, Hydronephrosis is commonly occurred due to the obstructions in the urinary tract that blocks the urine flow out of the kidney into the bladder. Some known causes are:
Hydronephrosis is usually detected in routine prenatal ultrasound during pregnancy. When the baby is born, the following testing is done to diagnose the condition:
Treatment of hydronephrosis in new-born depends on the cause of conditions, severity of conditions, and affected part of kidneys.
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