What is the role of a ketogenic diet in the treatment of hypercalciuria?

Updated: Apr 23, 2019
  • Author: Stephen W Leslie, MD, FACS; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

The ketogenic diet is sometimes used to treat intractable seizure disorders in children. It involves an initial period of fluid restriction and starvation until ketone bodies appear in the urine. This is followed by a low-protein, low-carbohydrate, fluid-restricted diet, which tends to cause chronic metabolic acidosis with hypocitraturia and relatively low urinary volumes, which, in turn, induce kidney stone formation. Elevated uric acid levels have also been reported.

The average time from initiation of the diet until stone presentation is about 18 months, so patients who are started on this diet should be checked for stone formation at about 12 months after diet application. Fluid liberalization and citrate supplements can be used to prevent kidney stone formation in these patients.


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