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Article
March 1984

Familial Systemic Carnitine Deficiency

Author Affiliations

From the Departments of Pediatrics and Neurology, Cleveland Clinic Foundation (Dr Cruse), Department of Neurology, College of Physicians and Surgeons, Columbia University, New York (Drs Di Mauro and Trevisan), and Department of Pathology, Milton S. Hershey Medical Center, Pennsylvania State University, Hershey (Dr Towfighi).

Arch Neurol. 1984;41(3):301-305. doi:10.1001/archneur.1984.04050150079021
Abstract

• Two sisters with systemic carnitine deficiency showed the heterogenicity of this condition and a lack of correlation between measurable carnitine levels and clinical manifestations. One child experienced recurrent metabolic encephalopathy, which was diagnosed as Reye's syndrome. The older child, despite lower carnitine concentrations, was asymptomatic. Lipid inclusion myopathy was shown in both children. Serum, muscle, and liver carnitine levels were reduced. The parents had normal serum carnitine concentrations. Both children had significantly abnormal renal handling of carnitine, and their mother, a mild alteration. This family provided evidence for genetic transmission and presumed autosomal recessive inheritance in this disease. Both children were treated with carnitine without clear benefit; no side effects were noted. Previously reported cases of systemic carnitine deficiency were reviewed.

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