Glomerular disease (patient information)

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Glomerulonephritis

Overview

What are the symptoms?

What are the causes?

Who is at highest risk?

Diagnosis

When to seek urgent medical care?

Treatment options

Where to find medical care for Glomerulonephritis?

Prevention

What to expect (Outlook/Prognosis)?

Possible complications

Glomerulonephritis On the Web

Ongoing Trials at Clinical Trials.gov

Images of Glomerulonephritis

Videos on Glomerulonephritis

FDA on Glomerulonephritis

CDC on Glomerulonephritis

Glomerulonephritis in the news

Blogs on Glomerulonephritis

Directions to Hospitals Treating Glomerulonephritis

Risk calculators and risk factors for Glomerulonephritis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]

Overview

Glomerulonephritis is a type of kidney disease in which the part of your kidneys that helps filter waste and fluids from the blood is damaged.

What are the symptoms of Glomerulonephritis?

Common symptoms of glomerulonephritis are:

  • Blood in the urine (dark, rust-colored, or brown urine)
  • Foamy urine (due to excess protein in the urine)
  • Swelling (edema) of the face, eyes, ankles, feet, legs, or abdomen

Symptoms may also include the following:

What are the causes of Glomerulonephritis?

Glomerulonephritis may be caused by problems with the body's immune system. Often, the exact cause of glomerulonephritis is unknown. Damage to the glomeruli causes blood and protein to be lost in the urine. The condition may develop quickly and kidney function is lost within weeks or months (called rapidly progressive glomerulonephritis). A quarter of people with chronic glomerulonephritis have no history of kidney disease.

Who is at highest risk?

The following may increase your risk of this condition:

Many conditions cause or increase the risk for glomerulonephritis, including:

Diagnosis

Symptoms may develop slowly, the disorder may be discovered when you have an abnormal urinalysis during a routine physical or examination for another condition.

Signs of glomerulonephritis can include:

A kidney biopsy confirms the diagnosis.

Later, signs of chronic kidney disease may be seen, including:

  • Nerve inflammation (polyneuropathy)
  • Signs of fluid overload, including abnormal heart and lung sounds
  • Swelling (edema)

Imaging tests that may be done include:

  • Abdominal CT scan
  • Kidney ultrasound
  • Chest x ray
  • Intravenous pyelogram (IVP)

Urinalysis and other urine tests include:

  • Creatinine clearance
  • Examination of the urine under a microscope
  • Urine for total protein
  • Uric acid in the urine
  • Urine concentration test
  • Urine creatinine
  • Urine protein
  • Urine RBC
  • Urine specific gravity
  • Urine osmolality

This disease may also cause abnormal results on the following blood tests:

When to seek urgent medical care?

Call your health care provider if:

  • You have a condition that increases your risk of glomerulonephritis
  • You develop symptoms of glomerulonephritis

Treatment options

Treatment depends on the cause of the disorder, and the type and severity of symptoms. High blood pressure may be hard to control. Controlling high blood pressure is usually the most important part of treatment.

Medicines that may be prescribed include:

  • Blood pressure medications to control high blood pressure, most commonly angiotensin-converting enzyme inhibitors and angiotensin receptor blockers
  • Corticosteroids
  • Medications that suppress the immune system

A procedure called plasmapheresis may sometimes be used for glomerulonephritis caused by immune problems. The fluid part of the blood that contains antibodies is removed and replaced with intravenous fluids or donated plasma (that does not contain antibodies). Removing antibodies may reduce inflammation in the kidney tissues.

You may need to limit salt, fluids, protein, and other substances.

Persons with this condition should be closely watched for signs of kidney failure. Dialysis or a kidney transplant may eventually be needed.

Where to find medical care for Glomerulonephritis?

Directions to Hospitals Treating Glomerulonephritis

Prevention of Glomerulonephritis

There is no way to prevent most cases of glomerulonephritis. Some cases may be prevented by avoiding or limiting exposure to organic solvents, mercury, and nonsteroidal anti-inflammatory drugs (NSAIDs).

What to expect (Outlook/Prognosis)?

Glomerulonephritis may be temporary and reversible, or it may get worse. Progressive glomerulonephritis may lead to:

  • Chronic kidney failure
  • Reduced kidney function
  • End-stage kidney disease

If you have nephrotic syndrome and it can be controlled, you may also be able to control other symptoms. If it cannot be controlled, you may develop end-stage kidney disease.

Possible complications

  • Acute nephritic syndrome
  • Blood electrolyte problems
  • Chronic kidney disease
  • Chronic or repeated urinary tract infection
  • End-stage kidney disease
  • Fluid overload -- congestive heart failure, pulmonary edema
  • Hyperkalemia
  • Hypertension
  • Increased susceptibility to other infections
  • Malignant hypertension
  • Nephrotic syndrome

Sources

http://www.nlm.nih.gov/medlineplus/ency/article/000484.htm

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