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  • Title: Asymptomatic Bartter's syndrome.
    Author: Barbour GL, Day JO.
    Journal: South Med J; 1978 Nov; 71(11):1341-4, 1349. PubMed ID: 715482.
    Abstract:
    A 63-year-old man had asymptomatic Bartter's syndrome, discovered during evaluation for hypokalemia. Elevated plasma renin and aldosterone levels, angiotension resistance, and elevated urinary prostaglandin excretion were noted. Tubular function studies implicated the proximal tubule as the site of a mild sodium reabsorption defect, and renal wasting of potassium and magnesium were also noted. Indomethacin therapy lowered the urinary prostaglandin excretion and the renin and aldosterone levels but did not correct the hypokalemia. Spironolactone therapy resulted in normalization of serum potassium but not serum magnesium levels. Bartter's syndrome may result from various causes but renal wasting of sodium, potassium and/or magnesium probably exist in all cases. Unexplained, asymptomatic hypokalemia in any age group may be due to Bartter's syndrome.
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