What are the possible complications of hydronephrosis and hydroureter?

Updated: Dec 16, 2020
  • Author: Dennis G Lusaya, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Postobstructive diuresis refers to polyuria that occurs after relief of obstruction. Patients with edema, congestive heart failure, hypertension, weight gain, and azotemia are most likely to exhibit this condition. It is more common in patients with chronic obstruction. Postobstructive diuresis is usually clinically significant only in patients whose obstruction involves both kidneys or a unilateral obstruction of a solitary functioning kidney.

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