NLRP3 and Kawasaki disease: <h4>Introduction</h4>To investigate the mechanism by which NOD-like receptor heat protein domain-associated protein 3 (NLRP3) activation mediates coronary endothelial dysfunction at different stages of Kawasaki disease (KD).<h4>Methods</h4>Blood samples were collected from patients in the acute stage and convalescent stage of KD, as well as healthy/febrile controls.