Abstract Background Rheumatic mitral valve disease (RMVD) is the most common presentation of rheumatic heart disease (RHD). Inflammation and fibrosis processes also play significant roles in its pathogenesis. Recent studies showed that thiols and thiol-disulfide are promising novel oxidative stress markers. Objectives The present study aimed to evaluate differences in the serum thiol and thiol-disulfide levels in patients with RMVD and the control group. Methods Ninety-two patients with RMVD were enrolled in the study. Fifty-four healthy subjects, age, and gender-matched […]