What are the cau ses of kidney shrinkage?

There are three common causes of kidney shrinkage: congenital renal dysplasia, end stage kidney disease and chronic pyelonephritis.

1.Congenital renal dysplasia

Due to obstacles of blood supply in embryonic period or other reasons, renal tissue can’t develop sufficiently. Hypogenetic kidney is less than 50% of the normal kidney size.

2.End stage kidney disease

When the disease develops into end stage kidney disease, serum creatinine and urea nitrogen usually reach a high level. Nephrons, the functional tissues of kidney, suffer damage. Kidney will shrink.

3.Chronic pyelonephritis

Pyelonephritis is due to obstruction of the urinary tract, which can cause elevated pressure on veins, arteries and tissues. The condition can cause severely damage to patients’ nephrons. Kidney will suffer damage and begin to shrink over time.