A 13-year-old boy who suffered from Kawasaki disease at the age of 2 months
underwent percutaneous transluminal coronary rotational ablation for coron
ary stenosis. After this procedure, coronary spasm occurred and he experien
ced acute myocardial infarction within 10 days. Total occlusion of the LAD
was demonstrated by coronary angiography. Coronary spasm after such a proce
dure is one of the most dangerous complications causing acute myocardial in
farction.