Endogenous De Novo Synthesis of Isopropanol Following Severe Non-Diabetic Ketoacidosis in a Patient With Duchenne Muscular Dystrophy

Karl Bihlmaier, Steffen Grampp, Carsten Willam, Mario Schiffer, Larissa Herbst


In Duchenne muscular dystrophy (DMD), patients seem prone to severe metabolic acidosis following excessive bicarbonate loss due to laxative use or gastrointestinal disorders. In addition, hypoalimentation and fasting can cause life-threatening non-diabetic ketoacidoses with acetonemia in these patients. Isopropanolemia instead is predominantly found following intoxication. Only few reports exist describing isopropanolemia in diabetic or alcoholic ketoacidosis. Here, we report on a patient suffering from DMD who developed life-threatening non-diabetic ketoacidosis, acetonemia, and endogenous de novo synthesis of isopropanol following glucose fasting. We hypothesize isopropanolemia being a byproduct of acetone metabolism, possibly in association with a metabolic predisposition in patients with DMD such as an altered NADH/NAD+ ratio leading to a reduction from acetone to isopropyl alcohol whilst in severe ketoacidosis.

J Endocrinol Metab. 2022;12(3):107-110
doi: https://doi.org/10.14740/jem804


Isopropanolemia; Acetonemia; Ketoacidosis; Refeeding syndrome; Duchenne muscular dystrophy

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