Objective:Echocardiography was used to evaluate the endothelium-dependent vasodilation of the coronary artery after Kawasaki disease (KD) and to determine whether the ac ute administration of vitamin C could restore coronary endothelial dysfunction.

• 目的 :应用超声技术评价川崎病后冠状动脉内皮依赖性血管舒张 ; 明确维生素 C的快速输注是否能改善冠状动脉内皮功能。