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Congenital Lactic Acidosis

Abstract

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NORD is very grateful to Peter W. Stacpoole, PhD, MD, Professor of Medicine, Biochemistry and Molecular Biology, College of Medicine, University of Florida, for assistance in the preparation of this report.

Synonyms of Congenital Lactic Acidosis

Disorder Subdivisions

No subdivisions found.

General Discussion

Lactate is a chemical compound normally produced by all cells and plays important roles in several chemical processes in the body. Lactic acidosis occurs when lactate and other molecules, called protons, accumulate in bodily tissues and fluids faster than the body can remove them. Consequently, tissues and fluids may become acidic and impair the normal functioning of cells. Lactic acidosis can have many different causes and is often present in severely ill patients hospitalized in intensive care units.

Congenital lactic acidosis is a rare form of lactic acidosis. The word "congenital" means that the underlying condition that increases risk of developing lactic acidosis is present at birth. In most cases, the cause of congenital lactic acidosis is due to a defect in an enzyme responsible for helping the body convert carbohydrates and fats into energy. Most of these enzymes are located in specialized structures within the cell called mitochondria. Therefore, most causes of congenital lactic acidosis are due to genetic mitochondrial enzyme deficiencies. These are either inherited from one or both parents or arise spontaneously in the developing embryo.

Organizations related to Congenital Lactic Acidosis

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