| A rare genetic mitochondrial disorder due to a defect in mitochondrial protein synthesis with characteristics of infantile-onset severe hypertrophic cardiomyopathy (that occasionally progresses to dilated cardiomyopathy) associated with failure to thrive, global development delay, muscular hypotonia, elevated serum lactate and complex I deficiency in skeletal muscle biopsy. Intellectual disability, pericardial effusion and a mild cardiac phenotype have been also reported. Caused by homozygous or compound heterozygous mutation in the ELAC2 gene on chromosome 17p12. |
