This information is provided by the National Institutes of Health (NIH) Genetic and Rare Diseases Information Center (GARD).
Combined oxidative phosphorylation deficiency is a disease that affects many parts of the body. Onset occurs at or soon after birth in most cases, and features can include growth retardation, small head (microcephaly), increased muscle tone, floppiness of the trunk and head, brain disease (encephalopathy), enlarged heart muscle (cardiomyopathy), and liver dysfunction. There are many subtypes, caused by many different gene mutations. It is inherited in an autosomal recessive pattern. Treatment is supportive.
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