IL18 and familial dilated cardiomyopathy: Contrast with the histopathology results, as shown in Fig. 2, according to the ELISA results, compared with the Sham group, inflammatory cytokines (IL-1β and IL-18) levels were significantly higher in the DCM group (576.82 ± 11.22 ng/mL, 599.53 ± 12.02 ng/mL).