BECN1 and Kawasaki disease: Moreover, in our study it was significantly downregulated in IVIG-resistant Kawasaki disease compared with the IVIG-sensitive group, was an independent risk factor for IVIG-resistant Kawasaki disease, and was significantly correlated with CAL, suggesting that BECN1 may be related to the pathogenesis of IVIG-resistant Kawasaki disease and even the development of CAL.