Intracardiac and intracerebral thrombosis associated with methylenetetrahydrofolate reductase <i>A1298C</i> homozygote mutation in paediatric steroidresistant nephrotic syndrome

Abstract

Thromboembolic complications are a significant cause of morbidity and mortality in cases of nephrotic syndrome. Hereditary thrombophilias are also known to increase vascular thrombosis. We present a case that has been followed up for steroid-resistant nephrotic syndrome (NS) in which intracardiac and intracranial thrombosis subsequently developed. The patient was found to have a homozygote mutation in the methylenetetrahydrofolate reductase (MTHFR) gene as an additional risk factor for recurrent thrombosis. MTHFR mutation with NS was considered to have an important effect on the development of life-threatening thrombosis.