In group with gamma glogulin therapy, risk factors of coronary aneurysm include non-responsiveness to intravenous gamma globulin (57.1% vs 12.2%; p=0.004), atypic Kawasaki (60% vs 13.7%; p=0.01), prolonged febrile course > 14 days or recurrence of fever after intravenous gamma globulin (100% vs 16.3%; p=0.03), CRP > 100mg / l in acute phase (33.3% vs 0%; p=0.001).