ArticleJIMD reports2025
Systemic Primary Carnitine Deficiency Presenting With Substantia Nigra and Basal Ganglia Injury: A Case Report.
Article in JIMD reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it.
- From Genotype to Phenotype: Investigating SLC22A5 Variants and Their Significance in Carnitine Deficiency: A Systematic Review Study.Journal of cellular and molecular medicine · 2026Pooled it
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Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Systemic primary carnitine deficiency (SPCD) is a rare congenital fatty acid metabolism disorder causing impaired β-oxidation and energy production, leading to hypoglycemia, metabolic encephalopathy, and sudden death. Early diagnosis and treatment, including L-carnitine supplementation and fasting avoidance, can improve prognosis. However, newborn screening (NBS) criteria differ by region, and standardized guidelines are lacking. This report presents a case of SPCD undetected by NBS, resulting in basal ganglia damage and dystonia due to metabolic decompensation. A 1-year-9-month-old girl with no abnormalities on NBS presented with impaired consciousness. She exhibited hypoketotic hypoglycemia, hyperammonemia, and myocardial hypertrophy. Suspecting a fatty acid metabolism disorder, L-carnitine and high-calorie infusion were initiated. Laboratory tests revealed markedly low serum total and free carnitine levels, and genetic analysis confirmed a homozygous
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