FAQ - hydronephrosis
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before i had lipotripsy done on my ureteral stone the xray said i had hydronephrosis.Now that i had lipo done on the ureteral do i still have hydronephrosis?the new xray said it looked as all the stone got blasted.but i forgot to ask doc about hydronephrosis.any info would be great

Hydronephrosis is inflammation of the kidneys, not the bladder where the ureter is... perhaps your kidneys just need some time to adjust or you have a slight infection.  (+ info)


I have or had hydronephrosis on my right ureter that connects my kidney to the bladder and I had surgery on it and I had a check up since there was soreness on my right kidney and they had an ultrasound done to see how the stint in there is doing and they think that it may be back, do you think that I may need surgery again for this?
Will it prohibit me from the military?

  (+ info)

How can I relieve hydronephrosis pain during pregnancy?

I was just diagnosed with hydronephrosis and there is not much the doctors can do while I am pregnant. Does anyone know any natural remedies to help relieve pain? Thank you in advance!

Try acupuncture, but please! before you use any "natural" remedies run them by your doctors. Most medicines are made of "natural" ingredients originally, it does not mean they are harmless to your baby.  (+ info)

How do you treat hydronephrosis caused by crossed blood vessels?

I have been diagnosed with mild bilateral hydronephrosis, probably caused by criss-crossed blood vessels. Doe this need to be correcrted, and if so, how urgent is such a case? I have suffered from flank pain and nausea, which are contorlled by antibiotics, but I am concerned about long term implications.

Untreated Hydronephrosis can lead to kidney failure, but with proper therapy the kidney usually returns to normal or near normal function. I'm sure your Dr. will keep a close eye on your condition. Just keep your Dr. aware of any changes in urine output, colour, etc. Worse case scenario is removal of the kidney. But mild cases rarely need that.  (+ info)

What is the treatment for hydronephrosis?

I have severe hydronephrosis in my right kidney. The cortex is of my right kidney is 1-2mm. There is pelvi-utiri obstruction. My left kidney is normal. How long will I live if my right kidney is removed?

The aim of treating hydronephrosis is to relieve the pressure on the kidneys and prevent permanent kidney damage.

If the obstruction is between the bladder and the outside (ie somewhere in the urethra or bladder outlet), a catheter may be inserted. This is a long rubber or plastic tube that helps to bypass narrowing and enables urine to flow, relieving the pressure on the kidney.

If the obstruction is higher up, between the kidney and the bladder (ie in the ureter) then an operation is usually needed to pass a fine tube known as a ureteric stent up into the ureter from the bladder to bypass the narrowing. Occasionally a kidney is drained by using a tube passed directly through the skin into the kidney. This is called a nephrostomy tube and it drains into a urine collection bag on the skin.

Any underlying cause, such as a kidney stone, enlarged prostate, or unusual abdominal mass, also needs to be treated especially if a recurrence is to be avoided. In children with hydronephrosis, an operation may be needed to correct structural abnormalities such as VUR.

Full recovery can be expected when hydronephrosis is detected and treated early. However, if hydronephrosis goes untreated, damage to the kidney may eventually lead to kidney failure.

With one healthy kidney you will live as long as you would with two healthy kidneys.
I have a friend who had a cancerous kidney removed 30 years ago.
She is still striding around Donegal bossing people around.  (+ info)

Anyone else out there pregnant with hydronephrosis?

Is there anyone who knows how I can get some relief after being diagnosed with hydronephrosis? There isn't much they can do until I have the baby and I still have 3 months to go. Any advice would be greatly appreciated!

Most hydronephrosis cases occur on the right side if due to pregnancy, so lie on your left side for relief. If this is more uncomfortable than it may be that laying on your right side will work because the obstruction is on the other.
When symptoms persist and there is fear of renal failure, an indwelling ureteral catheter may be inserted. For more serious cases, your doctor may suggests ureteral stenting, which is the insertion of a thin tube into the the ureter to prevent or treat a blockage of urine from the kidneys. Serious cases can also be treated with an establishment of percutaneous drainage to help with pain relief and to prevent spontaneous renal rupture. During a percutaneous drainage procedure, a thin needle is inserted into the fluid to help drain excess urine.
Induced labor and an epidural block for pain are the final steps for severe cases that can't be helped by other means.  (+ info)

What is Left mega urethra and unilateral hydronephrosis?

I have had this all of my life but no-one really tells me in lay-mans terms what this means and how it will affect my life in the future.

Hydronephrosis can be caused by obstruction to the drainage of the kidney at many levels.
• Idiopathic obstruction at the pelviureteric junction
• Extrinsic compression of ureter (tumor or retroperitoneal fibrosis)
• Tumor in renal pelvis or ureter (transitional cell carcinoma)
• Calculus in ureter
• Congenital ureteric abnormality (ureterocele)
• Disease at base of bladder (carcinoma)
• Compression of prostatic urethra (hyperplasia or carcinoma)
• Urethral obstruction (urethral stricture or valves)
http://faculty.washington.edu/alexbert/MEDEX/Fall/GUPath_Obj.htm  (+ info)

What will happen if a kidney that has severe hydronephrosis is not removed? The other kidney is good.?

It is due to pelvi uterus obstruction.

It depends on the cause of hydronephrosis.

If it's due to eg, stones, the hydro kidney will fail after some time (if still no medical intervention). In this case, no need to do a nephrectomy.

The patient have just 1 kidney functioning. It's ok. Will not make the person sick or unhealthy in any way.  (+ info)

My baby is due to have a MAG3 for significant hydronephrosis will he be in pain?

his apt is on wed and i am worried sick he had a scan last week and his right kidney is significantly bigger will he have to put to sleep for this? please help!

Undergoing Magnetic imaging is a bit like having an XRay so in itself it doesn't hurt to undergo but during this type of procedure they usually insert a catheter into the urethra so this can be a little bit uncomfortable but shoudn't be really painful.  (+ info)

Any moms with experience on fetal hydronephrosis?

My husband and I have been going to a maternal specialist to monitor our 2nd child's moderate case of hydronephrosis. Do any moms have info about treatment after birth? The medical advice is that it could 1 of 2 problems -- we are told that we will have to either observe or have surgery. Also, they scheduled an ultrasound within 48-72 hours of his birth. Any advice?


The kidneys, located in the back of the abdomen just below the ribs, are important for many bodily functions. One of the kidneys' major functions is to filter blood and remove waste products that are passed out of the body through the urine. The kidneys are connected to thin tubes called ureters, which carry the urine to the bladder. When the kidneys are forming before a child is born, sometimes conditions develop that change the way one or both of the kidneys look or function. One such condition is hydronephrosis.

Hydronephrosis is a "stretching" or dilation of the inside or collecting part of the kidney. It often results from a blockage in the ureter where it joins the kidney that prevents urine from draining into the bladder. Urine is trapped in the kidney and causes the kidney to stretch. Hydronephrosis may also be due to abnormal backwash or "reflux" of urine from the bladder. In infants the amount of hydronephrosis may appear greater than the actual degree of blockage because of the "stretchiness" of the young tissues.

Neonatal hydronephrosis is often detected on an ultrasound test during pregnancy (prenatal ultrasound). Hydronephrosis has never been linked to anything the parents have done during pregnancy and is usually not passed from parent to child or found in more than one sibling in a family. The blockage that produces hydronephrosis is usually the result of a narrowing at the top of the ureter near the kidney that probably developed before the fourth month of pregnancy.

The severity of hydronephrosis depends on the extent of the blockage and the amount of stretching of the kidney. Hydronephrosis may range from mild to severe. Children with mild hydronephrosis usually do not have symptoms, the kidneys are minimally affected, and the hydronephrosis may disappear in the first year of life.

In patients observed with moderate hydronephrosis, kidney function usually does not decrease, kidney growth remains normal, and the degree of hydronephrosis usually does not worsen. Research has shown that careful observation during the first one to two years of life suggests that the kidney compensates for the hydronephrosis to maintain normal function and that some children even get better on their own.

In extremely severe cases of hydronephrosis, damage to normal kidney function may occur. In addition to affecting the child's kidney function, this condition may also cause infections, pain, and bleeding. These effects may take months or even years to occur or may never occur.

To determine the amount of hydronephrosis present, nuclear medicine and radiologic tests to measure kidney function and structure may be recommended by the physician.

In children with mild hydronephrosis, observational therapy has been shown to be safe and has become the accepted method of treatment. However, in children with moderate to severe hydronephrosis, the answer is not as clear.

The surgery to correct hydronephrosis is called pyeloplasty. This procedure involves removing the obstructed part of the ureter and then reattaching the healthy ureter to the collecting part of the kidney. After the operation the child remains in the hospital, usually for 3 to 5 days. The success rate of the surgical therapy in infants is 90-95%. Yet, some studies suggest that observation is better than surgery in children with moderate to severe hydronephrosis since the problem may resolve itself without the risks of anesthesia and surgery, kidney function is not lost, and the kidneys grow well.

Since 1985, prenatal testing for hydronephrosis has permitted early detection and treatment of hydronephrosis. In the past most children were found to have hydronephrosis at the time of urinary infection or pain. Surgery was almost always performed; in many children this was after 3-4 years of age. Those children who were born with hydronephrosis that improved by itself without ever causing infection or pain, were probably never diagnosed or treated for hydronephrosis.

Children who are diagnosed prenatally with moderate to severe hydronephrosis are now being seen at such an early age that they have not had a chance to improve on their own. Current testing cannot accurately predict which patients might or might not get better on their own. Therefore, today there is no standard treatment for all children. Many centers are choosing to watch and carefully monitor children with moderate to severe hydronephrosis while others continue to use surgery as treatment.  (+ info)

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Last update: September 2014