Hydronephrosis

Hydronephrosis

Hydronephrosis

A normal kidney and a kidney with Hydronephrosis in an infant

Hydronephrosis

hydronephrosis occurs when a kidney has an surfeit of fluid due to a backing of urine, frequently caused by an obstruction in the upper part of the urinary tract. Kidney swelling can result, causing the part of the kidney called the nephritic pelvis to bulge ( distend ), leading to possible kidney scar and impair kidney function .
hydronephrosis is swelling of one or both kidneys. Kidney swelling happens when urine ca n’t drain from a kidney and builds up in the kidney as a solution. This can occur from a obstruction in the tubes that drain urine from the kidneys ( ureters ) or from an anatomic defect that does n’t allow urine to drain properly.

Reading: Hydronephrosis

hydronephrosis can happen at any age. hydronephrosis in children may be diagnosed during infancy or sometimes during a prenatal ultrasound before the baby is born .
hydronephrosis does n’t always cause symptoms. When they occur, signs and symptoms of hydronephrosis might include :

  • Pain in the side and back that may travel to the lower abdomen or groin
  • Urinary problems, such as pain with urination or feeling an urgent or frequent need to urinate
  • Nausea and vomiting
  • Fever
  • Failure to thrive, in infants

Causes

normally, urine passes from the kidney through a metro called a ureter that drains into the bladder, and then out of the torso. But, sometimes urine backs up or remains inside the kidney or in the ureter. That ‘s when hydronephrosis can develop .
Some common causes of hydronephrosis include :

  • Partial blockage in the urinary tract. Urinary tract blockages often form where the kidney meets the ureter. Less commonly, blockages may occur where the ureter meets the bladder.
  • Vesicoureteral reflux. Vesicoureteral reflux happens when urine flows backward through the ureter from the bladder up into the kidney. Normally, urine flows only one way in the ureter. Urine flowing the wrong way makes it difficult for the kidney to empty properly and causes the kidney to swell.

Less-common causes of hydronephrosis include kidney stones, a tumor in the abdomen or pelvis, and problems with nerves that lead to the bladder .

Diagnosis

Your primary care doctor may refer you to a sophisticate who specializes in conditions affecting the urinary system ( urologist ) for your diagnosis .
Tests for diagnosing hydronephrosis may include :

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  • A blood test to evaluate kidney function
  • A urine test to check for signs of infection or urinary stones that could cause a blockage
  • An ultrasound imaging exam, during which your doctor can view the kidneys, bladder and other urinary structures to identify potential problems
  • A specialized X-ray of the urinary tract that uses a special dye to outline the kidneys, ureters, bladder and urethra, capturing images before and during urination

If necessity, your doctor of the church may recommend extra visualize exams, such as a CT scan or MRI. Another possibility is a quiz called a MAG3 scan that evaluates function and drain in the kidney .

Treatment

discussion for hydronephrosis depends on the underlie induce. Although operating room is sometimes needed, hydronephrosis frequently 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.
  • Severe hydronephrosis. When hydronephrosis makes it hard for the kidney to function — as can happen in more-severe hydronephrosis or in hydronephrosis that involves reflux — surgery may be recommended to fix a blockage or correct reflux.

Left untreated, severe hydronephrosis can lead to permanent wave kidney damage. rarely, it can cause kidney failure. But hydronephrosis typically affects only one kidney and the other kidney can do the study for both .

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