Fatal Clinical Course of Ornithine Transcarbamylase Deficiency in an Adult Heterozygous Female Patient

Abstract
Ornithine transcarbamylase (OTC) deficiency is an X-linked inherited disease and the most common inborn error in urea synthesis in humans. In adult heterozygous patients, partial OTC deficiency can be responsible for life-threatening hyperammonemic coma, with a frequency of 15%. We report the clinical course of a heterozygous female patient and discuss the therapeutic options, including hemodialysis and continuous arteriovenous hemofiltration for reduction of ammonia levels as well as liver transplantation as a definitive therapy.

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