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Acute nephritic syndrome - Overview

Alternative Names

Glomerulonephritis - acute; Acute glomerulonephritis; Nephritis syndrome - acute

Definition of Acute nephritic syndrome:

Acute nephritic syndrome is a group of disorders that cause swelling or inflammation of the internal kidney structures (specifically, the glomeruli).

Nephritic syndrome is a type of glomerulonephritis.

Causes, incidence, and risk factors:

Acute nephritic syndrome is often caused by an immune response that is triggered by an infection or other disease.

Frequent causes in children and adolescents include the following:

Frequent causes in adults include:

The inflammation disrupts the functioning of the glomerulus, which is the part of the kidney that controls filtering and getting rid of wastes. This disruption results in blood and protein appearing in the urine, and the buildup of excess fluid in the body.

Swelling occurs when protein is lost from the bloodstream. (Protein maintains fluid within the blood vessels, and when it is lost the fluid collects in the tissues of the body). Blood loss from the damaged kidney structures leads to blood in the urine.

Acute nephritic syndrome may be associated with the development of:

  • High blood pressure
  • Swelling of the spaces between the cells of the kidney tissue
  • Acute kidney failure
  • Reviewed last on: 8/12/2009
  • Parul Patel, MD, Private practice specializing in Nephrology and Kidney and Pancreas Transplantation, California Pacific Medical Center, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Haymart MR, Atta MG. Glomerular disease. In: Nilsson KR Jr., Piccini JP, eds. The Osler Medical Handbook. 2nd ed. Philadelphia, Pa:Saunders Elsevier;2006:chap 65.

Nachman PH, Jennette JC, Falk RJ. Primary glomerular disease. In: Brenner BM, ed. Brenner & Rector's The Kidney. 8th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 30.

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