Unilateral hydronephrosis: Treatment

Treatment

Treatment and prognosis for unilateral hydronephrosis depend on what is causing the kidney swelling. Treatment may include:

  • A ureteral stent (tube that allows the ureter to drain into the bladder)
  • A nephrostomy tube (allows the blocked urine to drain through the back)
  • Antibiotics for infections

Patients who have only one kidney, who have immune-compromising disorders such as diabetes or HIV, or who have received a transplant should be treated promptly.

Preventative antibiotics may be prescribed to decrease the risk of urinary tract infections in patients who have long-term hydronephrosis.

Prognosis (Expectations)

Prolonged hydronephrosis results in the eventual loss of kidney function.

Complications

If hydronephrosis is left untreated, the affected kidney may be permanently damaged. Kidney insufficiency or kidney failure is rare with unilateral hydronephrosis because the other kidney usually functions normally. However, if the patient has only one functioning kidney, kidney failure will occur.

Calling Your Health Care Provider

Call your health care provider if you have prolonged or severe flank pain, or if you suspect hydronephrosis.

Pictures & Images

Female urinary tract

The female and male urinary tracts are relatively the same except for the length of the urethra.


Review Date : 3/22/2010
Reviewed By : Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Scott Miller, MD, Urologist in private practice in Atlanta, Georgia. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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