In more severe cases where multiple organ systems are affected, death can occur in early life due to multisystem failure.
Mitochondrial complex II deficiency
Mitochondrial trifunctional protein deficiency
Carnitine palmitoyltransferase II deficiency
Glutathione synthetase deficiency
Carnitine-acylcarnitine translocase deficiency
Carnitine palmitoyltransferase I deficiency
N-Acetylglutamate synthase deficiency
Acyl-CoA oxidase deficiency