Pelviureteric junction obstruction ( PUJO) Surgeries & Treatments
What is PUJO?

When there’s something blocking your ureters, it can cause trouble for both you and your doctor. If you have pelviureteric junction obstruction treatment, also known as PUJO, your kidneys may lose blood supply due to compression from the swollen organs. Your bladder may become compressed and eventually may be infected with bacteria.
Both of these problems can lead to infection in your kidney tissue. In more serious cases, the pressure caused by the blockage can even break down nearby bones.
Your body will do anything it can to remove the source of this problem. That’s why PUJO surgery is so common. Blockages are usually fluid-filled cysts that form around the blocked area.
The only way to treat this condition is through surgery. During surgery, your surgeon will look for areas of scarring or thickening that could indicate what causes your blockage. They will then cut away any abnormal tissue they find.
After the surgery, they will place a stent inside your urinary tract to keep it open. This keeps the urine flowing normally again. You will need to stay home from work and rest after your operation.
You should start walking again as soon as possible, but avoid lifting heavy things until your recovery goes well. It takes time to rebuild your muscles!
How to diagnose PUJO

In children, diagnosis is made mostly on ultrasound. An infant's urine may be difficult to examine when they are having difficulty passing it in utero. When examination of the urine is possible, this can help make the diagnosis.
In infants and young children, treatment is usually successful. The goal of surgery is to allow enough room for growth so that the bladder does not press against the ureters. Once the child grows, extra time is needed to prepare them for adult surgeries.
Percutaneous nephrostomy is often used as a diagnostic and therapeutic procedure for PUJ obstruction. A small incision is made through which a needle is inserted into the kidney. Fluid is then drained from the area to determine if the blockage is allowing normal flow of fluid and urination. If not, a second line is tried.
If after two weeks of trying to open the obstructed channel by draining the excess fluid, symptoms remain unresolved, surgical intervention may be considered. Surgery via an abdominal or pelvic approach is performed. With this method, the bladder is opened and any scar tissue surrounding the opening is removed. Through this opening, a telescope with low pressure is placed to push the distended, swollen urinary tract back toward its original position.
This technique has been highly effective at relieving obstructions but requires a skilled surgeon and long hospital stay. Outcomes depend greatly upon how much the operation is required to resolve the issue. It also
How to treat PUJO

In children with urinary tract obstruction, surgery is usually required to open the bladder neck and restore urine flow. There are several different types of surgeries that can be done for this condition.
The type of surgery depends on how much the opening in the bladder has constricted. If there is lots of scarring surrounding the narrowing, then a longer procedure may be needed. The key thing about these surgeries is that they reopen the urinary pathway.
Another option for patients is radiofrequency ablation, which involves using energy to heat and break down the tissue around the area of blockage. This treatment is less invasive than surgery but requires multiple visits over months to see if the symptoms are resolved. If not, additional treatments could be performed.
For people who have trouble passing urine because of their PUJO, stent placement is an alternative to surgical intervention. A metal or plastic tube is inserted into the narrowed part of the urethra via a small incision inside the mouth. The tube stays inside for a few weeks as the wound heals. Then the tube is removed, and the new channel remains until problems restart.
What are the risks of PUJO

There are no guarantees that surgery will fix your incontinence, but it is a very good chance. The success rates range from 40% to 90%.
It depends on how long you have had the problem; if you have had it for a short time then there is a better chance that surgery will work.
The main risk of surgery is infection. This can be prevented by keeping everyone up-to-date with vaccinations and taking other preventive measures.
Other possible complications include blood clots or damage to nerves or tissue during the procedure. These issues may require additional treatment.
Another risk is having problems with your bladder. When you have PUJO, urine can back into your ureters which can cause pain. In some cases this results in cystectomy (removal of the entire bladder).
Finally, there is an increased risk of cancer at the site of previous surgeries.
What are the outcomes of PUJO surgery

The success rate of pyeloplasty, the most common surgical procedure for PUJ obstruction, is between 80% and 90%. This means that it has excellent results in about eight out of ten patients. However, care must be taken to note that this rate varies greatly among studies, from 76% to 95%, depending on the experience of the surgeon.
In fact, one study showed that an experienced surgeon may find their first case of ureteral stent failure in approximately 10-20 cases. Therefore, it is important to consider both patient risk factors and expertise when deciding which treatment option is best for your specific situation.
What are the options of PUJO surgery

There are several surgical procedures that can be done to treat an obstruction at the pelvis-kidney level. These include pyeloplasty, cystoscopy with balloon dilation, and stent placement across the ureters for temporary relief of symptoms. Longer term solutions may also involve removing part or all of the uterus, as in a hysterectomy, followed by a vaginoplasty.
Pyeloplasty is the most common operation used to repair a blockage caused by PUJ syndrome. In this procedure, the opening between the kidney and bladder is widened to allow urine to flow more freely. The surgeon will make an incision inside the urinary passage and squeeze off the area to improve fluid flow. Then, they’ll put sutures into the tissues to reduce the chance of infection.
Balloon dilators are plastic tubes covered in soft tissue which are inserted through the urethra into the pelvic cavity to expand the tract within the abdominal cavity. This helps decrease pressure from the swollen kidneys on the obstructed ureters causing backflow of mucus and inflammation.
Stents help keep the urinary system clear by inserting a mesh tube into the narrowed segment of the ureter. They work by pressing against the walls of the organ while allowing fluids to pass. When used, the patient may have them placed for varying lengths of time up to life saving purposes; often it is months until there is enough scar
What is the success rate of PUJO surgery

There are several treatment options for patients with ureteral obstruction, including medical management, endoscopic therapy, and surgical intervention.
However, the best option for most individuals is successful surgery to correct the cause of their obstruction. When possible, this can be done via an open incision instead of using laparoscopy or other less invasive techniques.
In general, surgeries work better in people with chronic obstructions than in those with acute complications. In people with chronically blocked kidneys, surgery can restore normal kidney function quickly.
What is the meaning of PUJO

Pelvic ureters are tubes made of muscle that carry urine from the kidneys to the bladder. Sometimes, this passage becomes obstructed or blocked. This can cause pain, kidney failure, and other problems.
When surgery is used to treat urinary tract obstructions, it’s called pyeloplasty. The most common surgical procedure for treating PUJO is known as an Anderson-Hynes dismembered pyeloplasty. This involves removing the obstruction using small incisions in the abdomen then reattaching both the renal pelvis and the ureter down inside the bladder.
Dismembered pyeloplasties have shown very good results. However, this operation has been around since the early twentieth century and is not commonly performed anymore. Instead, surgeons today use a tissue graft to bypass the obstructed area with new blood vessels.
Grafting takes place before wound closure. Afterward, the grafted vessel will remain inside the body as part of the patient's vascular system. In children, the success rate may be higher because they have more reactive fibroblasts in their tissues.
When is PUJO surgery an option?
The type of surgery used depends on what is causing the obstruction. If it’s related to the bladder muscle, then this may be able to be removed during surgery instead of having to use a mesh tube.
If there are large fibrotics bands blocking the urinary opening, they will need to be cut away before the tubing can move properly. This blockage can be treated with laser therapy.
In some cases, surgery is also helpful for other issues such as pain control. During the procedure, surgeons can look for any additional problems and fix them prior to closing.
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