(bart′ĕr)

[Frederic Crosby Bartter, U.S. physician, 1914-1983]
Hyperplasia of the juxtaglomerular cells of the kidney, hypokalemic alkalosis, and hyperaldosteronism without a rise in blood pressure. It usually occurs in children and may be accompanied by growth retardation. Etiology is unknown. Affected patients are treated with potassium supplements and angiotensin-converting enzyme inhibitors or potassium-sparing diuretics.