Anderson HN, et al. - Based on researchers' institutional experience and findings of the assessment carried out for contemporary outcomes for children with idiopathic restrictive cardiomyopathy (IRC), it was demonstrated in this study that IRC continued to carry a poor prognosis. In the modern era, early referral for transplantation was shown to be associated with improved overall survival. increased risk of death could be present in patients who exhibit markedly elevated E/e' ratio.