Urinary tract obstruction

Obstruction of the lumen in any part of the urinary system due to internal and external causes of the lumen is a complete or partial, acute or chronic obstruction. If the obstruction in various parts is not removed in time, it will eventually cause hydronephrosis and damage renal function. In the upper urinary system, the renal pelvis and ureter are obstructed, and hydronephrosis develops quickly, but it is often damaged on one side; in the lower urinary system, the bladder and urethral obstruction, because of the bladder as a buffer, the development of renal damage is slow, but often bilateral Kidney damage.

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