Hydronephrosis in newborns is enlargement, or dilation, of the renal pelvis—the basin in the central part of the kidney where urine collects. Hydronephrosis can occur in one or both kidneys. This condition is often diagnosed before birth during a prenatal ultrasound.

Where does hydronephrosis occur?

Hydronephrosis is the swelling of a kidney due to a build-up of urine. It happens when urine cannot drain out from the kidney to the bladder from a blockage or obstruction. Hydronephrosis can occur in one or both kidneys. The main function of the urinary tract is to remove wastes and fluid from the body.

What is the main cause of hydronephrosis?

Hydronephrosis is usually caused by a blockage in the urinary tract or something disrupting the normal workings of the urinary tract. The urinary tract is made up of the kidneys, the bladder, the ureters (the tubes that run from the kidney to the bladder) and the urethra (the tube that carries urine out of the body).

What is the most common cause of hydronephrosis in adults?

In adults, the conditions that most often cause hydronephrosis include: Kidney stones: Stones that may become lodged in the kidneys or urinary tract. Cancer: Tumors in the bladder, prostate gland, uterus or other organs that are part of or near the urinary tract may cause blockages that disrupt the flow of urine.

Who is likely to get hydronephrosis?

Hydronephrosis is more often seen in males than females. Some studies show that as many as 2 percent of all prenatal ultrasound examinations reveal some degree of hydronephrosis, making it one of the most commonly detected abnormalities in pregnancy.

Hydronephrosis - causes, symptoms, diagnosis, treatment, pathology

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How common is hydronephrosis in adults?

Hydronephrosis at a glance

Hydronephrosis is fairly common, affecting 1 in 100 people. Usually it is not serious, although it can have very serious effects in some people. Several conditions of the urinary tract can cause hydronephrosis and physicians treat the underlying condition that causes hydronephrosis.

Can hydronephrosis fix itself?

Although surgery is sometimes needed, hydronephrosis often resolves on its own. Mild to moderate hydronephrosis. Your doctor may opt for a wait-and-see approach to see if you get better on your own. Even so, your doctor may recommend preventive antibiotic therapy to lower the risk of urinary tract infections.

What is the best treatment for hydronephrosis?

Most people with hydronephrosis will have a procedure called catheterisation to drain the urine from their kidneys. Depending on the underlying cause, medication or surgery may be needed afterwards to correct the problem.

Is hydronephrosis a medical emergency?

Hydronephrosis is a true emergency in patients with only one kidney and should the person believe that the lone kidney is at risk, urgent medical care should be accessed.

How do you know where you have kidney stones?

The location of your pain signals the location of your kidney stone: If your stone is located in one of your ureters (the tubes that carry urine from each kidney into the bladder), you'll likely feel pain in your back. If the stone is in the left ureter, your pain will be on the left side of your back.

Does hydronephrosis go away?

In some cases, hydronephrosis is mild and goes away on its own without treatment. In other cases, hydronephrosis may be a sign of a blockage in the urinary tract or reflux—or back up—of urine from the bladder to the kidney that needs treatment.

Is hydronephrosis life threatening?

It is important to seek help if you experience this condition, since untreated hydronephrosis can lead to permanent loss of kidney function, a life-threatening condition. Hydronephrosis may be unilateral, involving one kidney, or bilateral, involving both.

What are the stages of hydronephrosis?

Hydronephrosis can vary in severity. Typically, your doctor will describe your child's hydronephrosis as mild, moderate or severe. Sometimes hydronephrosis is given a grade of 1, 2, 3 or 4, with 1 representing very minimal dilation and 4 representing severe dilation.

Where is flank pain?

Flank pain affects the area on either side of the lower back, between the pelvis and the ribs. Pain in the flanks can result from several conditions, diseases and injuries. Kidney stones, infection and muscle strains are common causes of flank pain.

What is hydronephrosis of kidney?

Hydronephrosis is a condition where one or both kidneys become stretched and swollen as the result of a build-up of urine inside them. It can affect people of any age and is sometimes spotted in unborn babies during routine pregnancy ultrasound scans.

How do you treat a swollen kidney?

Treatment depends on the cause of the kidney swelling. Treatment may include: Placing a stent (tube) through the bladder and ureter to allow urine to flow from the kidney into the bladder. Placing a tube into the kidney through the skin, to allow the blocked urine to drain out of the body into a drainage bag.

Is drinking a lot of water good for your kidneys?

Water helps the kidneys remove wastes from your blood in the form of urine. Water also helps keep your blood vessels open so that blood can travel freely to your kidneys, and deliver essential nutrients to them. But if you become dehydrated, then it is more difficult for this delivery system to work.

When should I go to the hospital for hydronephrosis?

Hydronephrosis is often caused by a serious condition of the kidney or urinary tract, such as kidney stones. Seek immediate medical care (call 911) if you, or someone you are with, have any of the following symptoms: Blood clots in urine or bloody urine (hematuria)

Can you feel a swollen kidney in your back?

Pain from the kidneys is felt in the sides, or in the middle to upper back (most often under the ribs, to the right or left of the spine). The pain may also progress to other areas, such as the abdomen or groin. Kidney pain is a result of swelling or blockage in the kidneys or urinary tract.

How much water should I drink with hydronephrosis?

Drink water

Most health authorities recommend drinking six to eight glasses of water per day to prevent dehydration.

How is hydronephrosis diagnosed?

Hydronephrosis is usually diagnosed using an ultrasound scan. Further tests may be needed to find out the cause of the condition. An ultrasound scan uses sound waves to create a picture of the inside of your kidneys. If your kidneys are swollen, this should show up clearly.

Does hydronephrosis cause frequent urination?

Your kidney may become so engorged with urine that it starts to press on nearby organs. If it's left untreated for too long, this pressure can cause your kidneys to lose function permanently. Mild symptoms of hydronephrosis include urinating more frequently and an increased urge to urinate.

Can severe constipation cause hydronephrosis?

Chronic constipation can lead to giant fecaloma threatening urinary tract patency, especially in older patients with immobility or dehydration. Therefore, clinicians should consider this condition as a rare but possible cause of hydronephrosis in older adult patients with chronic constipation.

Can dehydration cause hydronephrosis?

Hydronephrosis is the dilation or swelling of kidneys because of a blockage that stops urine from flowing out of the body. Hydronephrosis can be cured, depending on the cause. Complications include urinary infections, high blood pressure, kidney failure, and dehydration.

How long does it take to treat hydronephrosis?

They heal in two to three weeks. The success rate is about 95 percent. Other surgical treatments may be recommended for your child, depending on what's causing the hydronephrosis and how severe it is.