Archives of neurology · 2007
Fatal initial adult-onset presentation of urea cycle defect.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Lien Jamie, Nyhan William L, Barshop Bruce A
Аннотация
BACKGROUND: Ornithine transcarbamylase (OTC) deficiency presents most commonly with neonatal hyperammonemic coma. The gene is on the X chromosome, but the disease may manifest as a dominant trait. Mutations that lead to later-onset presentations may lead to life-threatening disease and may be unrecognized, particularly when the first clinical disease occurs in adulthood.
OBJECTIVE: To document the clinical and metabolic consequences of a mutation in the OTC gene.
DESIGN: Case reports.
SETTING: A metabolic/biochemical genetic referral service.
MAIN OUTCOME MEASURES: Clinical and biochemical observations in 3 generations of a family.
RESULTS: A mutation in codon 208 of exon 6 in the OTC gene was found in a family in which the proband died of hyperammonemia at 52 years of age.
CONCLUSIONS: Diagnosis of late-onset presentations of urea cycle defect in adults may be delayed. Heightened awareness could lead to effective treatment.
OBJECTIVE: To document the clinical and metabolic consequences of a mutation in the OTC gene.
DESIGN: Case reports.
SETTING: A metabolic/biochemical genetic referral service.
MAIN OUTCOME MEASURES: Clinical and biochemical observations in 3 generations of a family.
RESULTS: A mutation in codon 208 of exon 6 in the OTC gene was found in a family in which the proband died of hyperammonemia at 52 years of age.
CONCLUSIONS: Diagnosis of late-onset presentations of urea cycle defect in adults may be delayed. Heightened awareness could lead to effective treatment.