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by Diana Kohnle
Pyeloplasty fixes the kidney at the ureteropelvic junction. This is where the kidney connects to a tube called the ureter. This tube carries urine to the bladder.
Reasons for Procedure TOP
Pyeloplasty is done if urine is blocked from moving through this part of the kidney. Blockage makes the kidney swell.
Possible Complications TOP
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review possible problems such as:
Before your procedure, talk to your doctor about ways to lower your risk of problems from:
What to Expect TOP
Prior to Procedure
Your doctor may do:
You may need to:
Talk to the doctor about the medicines you take. You may need to stop certain medicines up to 1 week in advance.
General anesthesia will block pain and keep you asleep.
Description of Procedure TOP
A catheter in the bladder will drain urine.
There are 2 types of surgery:
You may have a stent placed. The stent keeps the ureter open. This is so urine can pass through. When the area is healed, the stent is taken out.
How Long Will It Take? TOP
About 2-3 hours
How Much Will It Hurt? TOP
Anesthesia will prevent pain during surgery. Medicines will ease pain after the procedure.
Average Hospital Stay TOP
The usual hospital stay is 2-3 days. You may need to stay longer if there are problems. The stay may be shorter if you had a laparoscopic surgery.
Post-procedure Care TOP
At the Hospital
Pain while passing urine is normal. You may also feel an urgent need to pass urine. These problems will go away as the area heals.
During your stay, the healthcare staff will take steps to lower your chances of infection such as:
There are also steps you can take to lower your chance of infection such as:
You may have a catheter for up to a week after you go home.
To help you get healthier faster:
Call Your Doctor TOP
Call your doctor if any of these occur:
If you think you have an emergency, call for emergency medical services right away.
Family Doctor—American Academy of Family Physicians
Urology Care Foundation
The Kidney Foundation of Canada
Pyeloplasty. Cleveland Clinic website. Available at: https://my.clevelandclinic.org/health/treatments/16545-pyeloplasty. Updated August 21, 2017. Accessed June 14, 2018.
Pyeloplasty FAQ. UCSF Benioff Children's Hospital website. Available at: https://www.ucsfbenioffchildrens.org/education/pyeloplasty/index.html. Accessed June 14, 2018.
McAleer IM, Kaplan GW. Renal function before and after pyeloplasty: does it improve? J Urol. 1999;162(3 Pt 2):1041-1044.
6/2/2011 DynaMed Plus Systematic Literature Surveillance http://www.dynamed...: Mills E, Eyawo O, Lockhart I, Kelly S, Wu P, Ebbert JO. Smoking cessation reduces postoperative complications: a systematic review and meta-analysis. Am J Med. 2011;124(2):144-154.
Last reviewed June 2018 by EBSCO Medical Review Board Adrienne Carmack, MD
Last Updated: 6/14/2018
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