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Bartter syndrome - Overview

Alternative Names

Potassium wasting; Salt-wasting nephropathy

Definition of Bartter syndrome:

Bartter syndrome refers to a group of rare conditions that affect the kidneys.

Causes, incidence, and risk factors:

There are five gene defects known to be associated with Bartter syndrome. The condition is present from before birth (congenital).

The condition is thought to be caused by a defect in the kidney's ability to reabsorb sodium. Persons with Bartter syndrome lose too much sodium through the urine. This causes a rise in the level of the hormone aldosterone and makes the kidneys remove too much potassium from the body. This is known as potassium wasting. The condition also results in an abnormal acid balance in the blood called hypokalemic alkalosis.

Aldosterone level test

Reviewed last on: 11/30/2009
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Herbert Y. Lin, MD, PHD, Nephrologist, Massachusetts General Hospital; Associate Professor of Medicine, Harvard Medical School. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Tolkoff-Rubin N. Treatment of irreversible renal failure. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 133.

Mitch WE. Chronic kidney disease. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 131.

Guay-Woodford LM. Hereditary nephropathies and abnormalities of the urinary tract. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 129.

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