Late-onset choreoathetotic syndrome following heart surgery.

Choreoathetotic syndromes are frequently observed in children after congenital cardiopathy surgery. To report the case of an adult patient who developed a choreoathetotic syndrome after cardiac operation, probably related to a transitory hypometabolism of basal ganglia. A 52-year-old patient underwent heart surgery under circulatory arrest and deep hypothermia, for type III dissecting thoracic aorta aneurysm.