Mitochondrial Disease with Hypertrophic Cardiomyopathy, also known as cardiomyopathy, hypertrophic, mitochondrial, is related to combined oxidative phosphorylation deficiency 8. An important gene associated with Mitochondrial Disease with Hypertrophic Cardiomyopathy is MT-TH (Mitochondrially Encoded TRNA-His (CAU/C)).