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  • Title: Lipid and lipoprotein parameters for detection of familial hypercholesterolemia in childhood. The DECOPIN Project.
    Author: Plana N, Rodríguez-Borjabad C, Ibarretxe D, Ferré R, Feliu A, Caselles A, Masana L, en representación del proyecto DECOPIN.
    Journal: Clin Investig Arterioscler; 2018; 30(4):170-178. PubMed ID: 29602595.
    Abstract:
    BACKGROUND: Familial hypercholesterolaemia (FH) in children is under-detected and is difficult to diagnose in clinical practice. The aim of this study was to evaluate clinical, biochemical and vascular imaging variables in order to detect children and adolescents with FH. METHODS: A total of 222 children aged 4-18 years old were recruited to participate in a project for the early detection of FH (The DECOPIN Project). They were distributed into 3groups: FH, if genetic study or clinical criteria were positive (n=91); Polygenic hypercholesterolaemia (PH) if LDL-Cholesterol >135mg/dL without FH criteria (n=23), and Control group (CG) if LDL-C <135mg/dL (n=108). Data were collected from family history, anthropometric data, and clinical variables. The usual biochemical parameters, including a complete lipid profile were analysed. The carotid intima-media thickness (cIMT) and thickness of Achilles tendons were determined using ultrasound in all participants. RESULTS: A total of 91 children had a diagnosis of FH, 23 with PH, and 108 with CG. Children with FH had higher concentrations of total cholesterol, LDL-C, ApoB/ApoA1 ratio, and cholesterol-year score, than the other groups. HDL-C was lower in the FH group than in the CG. Thickness of the Achilles tendon and cIMT did not show any differences between groups, although a greater cIMT trend was observed in the FH group. ApoB/ApoA1 ratio >0.82 was the parameter with the highest sensitivity and specificity to predict the presence of mutation in children with FH. CONCLUSIONS: Although LDL-C is the main biochemical parameter used to define FH, the ApoB/ApoA1 ratio (>0.82) may be a useful tool to identify children with FH and a positive mutation.
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