Pyeloplasty

Pyeloplasty

Obstruction of the ureteropelvic junction (UPJ) can be caused by congenital abnormalities like horseshoe kidney, fibrous scarring due to stone or previous operation, a blood vessel which may cause it to kink or a stone that gets impacted in the upper part of ureter. This can cause damage to kidney tissue and eventually lead to pain, stones, infection, high blood pressure, deterioration of kidney function and kidney failure. Laparoscopic Pyeloplasty is the procedure of choice to relieve all these symptoms.

Procedure

After a general anaesthetic has been given, a telescope is placed through the urethra into the bladder. A little tube (stent) is placed in the ureter, which is the tube that connects the kidney to the bladder.

Afterwards, incisions are made in the side of the abdomen. Typically, there are about 3 or 4 incisions between 0.5 cm and 2 cm just below the ribs on the side of the problem. The narrow part of the junction between the renal pelvis and the ureter is excised. A new 'join' between the kidney and ureter is constructed. The operation lasts for about 2 hours to 3 hours. If there is a crossing vessel, the join is made on the other side of the crossing vessel and this makes the operation take a longer time to complete. The 'stent' placed internally between the kidney and the bladder remains at the end of the operation and is removed later under local anaesthetic about 6 weeks after surgery.

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