1) Moriguchi T, Koizumi K, Matsuda K, et al:Plasma exchange for the patients with dilated cardiomyopathy in children is safe and effective in improving both cardiac function and daily activities. J Artif Organs 2017;20:236-43 2) Yoshikawa T, Baba A, Akaishi M, et al:Immunoadsorption therapy for dilated cardiomyopathy using tryptophan column-A prospective, multicenter, randomized, within-patient and parallel-group comparative study to evaluate efficacy and safety. J Clin Apher 2016;31:141-50