Ureteropelvic junction obstruction surgery

Surgery to correct the blockage allows urine to flow normally. Open (invasive) surgery is usually performed in infants. Adults may be treated with less-invasive procedures. These procedures involve much smaller surgical cuts than open surgery, and may include:

• Endoscopic (retrograde) technique does not require a surgical cut on the skin. Instead, a small instrument is placed into the urethra and allows the surgeon to open the blockage from the inside.
• Percutaneous (antegrade) technique involves a small surgical cut on the side of the body between the ribs and the hip.
• Pyeloplasty removes scar tissue from the blocked area and connects the healthy part of the kidney to the healthy ureter.

Recently, laparoscopy has been used to treat UPJ obstruction in children and adults who have not had success with other procedures.

A tube called a stent may be placed to drain urine from the kidney until the patient heals. A nephrostomy tube, which is placed in the patient’s side to drain urine, may also be needed for a short time after the surgery. This type of tube may also used to treat severe infections before surgery.

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