Regain of visuospatial capacity after coenzyme Q10 in a patient with mitochondrial myopathy, encephalopathy, lactic acidosis and stroke-like episodes: a case report.

Objective: MELAS (mitochondrial myopathy, encephalopathy, lactic acidosis and stroke-like episodes) is a neurodegenerative disorder caused by mitochondrial dysfunction. Multiple systems of the body, including cognitive function and heart conduction, can be affected by this disorder. We report a case with global cognitive impairment.