Abstract
A child with cystathionine beta-synthase deficiency developed cerebral edema 4 to 6 weeks after starting betaine therapy. There was no evidence of intracranial thrombosis, but there was widespread edema of the white matter. He recovered fully after emergency decompressive craniotomy and withdrawal of betaine.
MeSH terms
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Betaine / administration & dosage
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Betaine / adverse effects*
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Brain Edema / chemically induced*
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Brain Edema / surgery
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Child, Preschool
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Craniotomy
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Cystathionine beta-Synthase / deficiency
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Decompression, Surgical
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Gastrointestinal Agents / administration & dosage
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Gastrointestinal Agents / adverse effects*
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Homocystinuria / complications
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Homocystinuria / drug therapy*
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Humans
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Male
Substances
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Gastrointestinal Agents
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Betaine
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Cystathionine beta-Synthase