Infusionsbedingtes Nieren- und Leberversagen bei undiagnostizierter hereditärer Fructose-Intoleranz*

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Abstract
Appendectomy was performed in a 14 1/2-year-old boy with undiagnosed hereditary fructose intolerance because of chronic recurrent abdominal pain. During and after operation fructose containing solutions were infused. The patient received a total of 250 g fructose intravenously over 30 hours. Hours after onset of infusion he became soporous, hypoglycaemic and acidotic and was anuric after one day. Although the diagnosis was suspected by the end of the first postoperative day and fructose had been cancelled and haemodialysis been started, the boy died after a further 3 days with signs of acute kidney and liver failure. The diagnosis of hereditary fructose intolerance was biochemically established in post mortem liver tissue. This case recalls the fact that fructose, sorbitol or invert sugars should not be added to infusion solutions as they may be toxic for healthy persons and imply a lethal risk for patients with undiagnosed hereditary fructose intolerance, even well beyond the baby and infant period.

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