Neurologic presentation, diagnostics, and therapeutic insights in a severe case of adenylosuccinate lyase deficiency - PubMed (original) (raw)
Case Reports
Neurologic presentation, diagnostics, and therapeutic insights in a severe case of adenylosuccinate lyase deficiency
Agnieszka Jurecka et al. J Child Neurol. 2012 May.
Abstract
Epilepsy in adenylosuccinate lyase deficiency may be difficult to treat, and there is no standardized therapy. The authors describe a case of severe adenylosuccinate lyase deficiency resulting from a heterozygous mutation of the ADSL gene (p.D215H/p.I351T). The patient presented with tonic-clonic seizures, opisthotonus, tremor, and myoclonus in the 4th day of life. The seizures were refractory on various combinations of antiepileptic treatment. A ketogenic diet was introduced at the age of 2 resulting in a seizure-free period. The patient, however, developed a metabolic hyperchloremic acidosis with Fanconi syndrome, which disappeared a month after cessation of the diet at the age of 5. Since the withdrawal of the ketogenic diet, seizures have returned to a frequency of several times a day. In conclusion, a ketogenic diet could be considered a valid therapeutic option in patients with intractable seizures in a course of adenylosuccinate lyase deficiency; however, it requires a formal study.
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