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Acute bilateral obstructive uropathy
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| Acute bilateral obstructive uropathy |
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Definition:
Acute bilateral obstructive uropathy is a sudden blockage of the flow of urine from both kidneys, which can cause the backup of urine and injure the kidneys. Alternative Names:
Urethral obstruction; Acute urethral obstruction; Obstructive uropathy - bilateral - acute Text Continues Below
Causes, incidence, and risk factors:
Obstructive uropathy occurs when the flow of urine is blocked. The kidneys continue to produce urine in the normal manner, but the urine does not drain properly because of the obstruction. Pressure in the urinary tract rises, resulting in hydronephrosis (swelling of the kidneys) and bilateral obstructive uropathy (damage to both kidneys caused by obstruction of urine). Obstructive uropathy may eventually lead to hypertension or acute renal failure. Sudden blockage causes acute bilateral obstructive uropathy, while slow, progressive blockage causes chronic bilateral obstructive uropathy.
Acute bilateral obstructive uropathy is usually caused by a blockage of the urethra that occurs (suddenly or over a brief time). In men, it is most often a result of an enlarged prostate. Other causes in men include prostate cancer, bilateral obstructing kidney stones and bladder cancer. It is much less common in women, but may occur as a result of a bladder cystocele, pregnancy, injury from surgery involving the reproductive organs, or cervical cancer. Other causes include posterior urethral valves in infant boys, neurogenic bladder, papillary necrosis, coagulated blood, fungus and other rare retroperitoneal processes.
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