This surgery is done to open up an obstruction in your kidney. An incision is made to correct a
stenosed ureteropelvic junction, cutting from within. The kidney can either be approached
through the percutaneous nephrostomy tube from the outside (Antegrade Endopyelotomy) or
through the urine channel and urinary bladder, then up through the ureter (Retrograde
Getting Ready for Surgery
You will need to do bowel prep the day before your surgery. See below for details.
The Day before Surgery
Eat a light breakfast and lunch, avoid greasy foods and red meat.
Drink only clear liquids after lunch up to midnight (no limit on the amount).
Clear liquids include
o Juice without pulp (apple, grape, cranberry are ok)
o Clear Jell-O® (must be homemade, not premade; no fruit, etc, in it)
o Sparkling water or soda
o Weak coffee or tea, no creamer; sugar or sugar substitute is ok.
After lunch, do not eat solid food or drink juice with pulp, dairy products, or alcohol.
_____ At 2:00 pm, drink Magnesium Citrate 10oz. (1 bottle; any flavor). Drink 1 liter of a sport-
type drink with electrolytes (Gatorade®) before midnight. After this, you should continue to
drink clear liquid up until midnight.
Shower before bed with antibacterial soap.
Do Not Eat or Drink after Midnight.
The day of surgery, shower again with antibacterial soap before you come to the hospital.
You will be in the hospital for 1 – 2 days.
You will go home with a stent in place. The stent will stay in for 6 weeks. You will be
on antibiotics while the stent is in.
You may continue to have blood in your urine. This is normal.
You may have pain for 1 – 3 weeks. Pain pills will be ordered for you.
You will go home on a regular diet. It is important to drink plenty of fluids daily. A diet with
fiber and water may help prevent constipation.
Do not lift more than 10 pounds for 4 weeks.
Avoid strenuous activity for 4 weeks.
You may drive after 1 week.
You may return to work in 2 weeks.
You will have a follow-up visit 6 weeks after surgery. Your stent will be removed at this visit.
When to Call the Doctor
Fever greater than 100.4°F by mouth for 2 readings taken 4 hours apart.
Pain not controlled by pain medicine.
Nausea and vomiting that does not go away.
Low amount of urine or trouble passing urine.
Severe burning with urination.
Bloody urine that you cannot see through or large blood clots.
UW Health Urology 608-263-4757
UW Health at The American Center Urology 608-440-6464
UW Health One South Park Urology 608-287-2900
After Hours, Nights, Weekends, and Holidays, the clinic number is answered by the paging
operator. Ask for the Urology Doctor on call. Leave your name and phone number with the area
code. The doctor will call you back.
Toll Free: 1-844-607-4800
Your health care team may have given you this information as part of your care. If so, please use it and call if you
have any questions. If this information was not given to you as part of your care, please check with your doctor. This
is not medical advice. This is not to be used for diagnosis or treatment of any medical condition. Because each
person’s health needs are different, you should talk with your doctor or others on your health care team when using
this information. If you have an emergency, please call 911. Copyright ©7/2015. University of Wisconsin Hospitals
and Clinics Authority. All rights reserved. Produced by the Department of Nursing. HF#6984.