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  • Title: High lipoprotein(a) in children from kindreds with parental premature myocardial infarction.
    Author: Marquez A, Mendoza S, Carrasco H, Hamer T, Glueck CJ.
    Journal: Pediatr Res; 1993 Nov; 34(5):670-4. PubMed ID: 8284108.
    Abstract:
    In 98 children from 98 kindreds, 49 with and 49 without parental premature myocardial infarction (age < or = 45 y), our specific aim was to determine whether, and to what degree, lipoprotein(a) [Lp(a)] and other atherogenic lipids and lipoproteins might be overexpressed in children from premature infarction kindreds. Median Lp(a) (270 mg/L) in case boys was nearly twice that in control boys (140 mg/L) (p < or = 0.001). In a logistic regression model including age, Quetelet index (relative ponderosity), Lp(a), apo A1, apo B, triglyceride, and pubertal status, the 24 case boys had higher Lp(a) (p = 0.03), higher triglyceride (p = 0.036), and marginally lower apo A1 (p = 0.06) than the 26 control boys. Median Lp(a) in case girls (200 mg/L) was much higher than in control girls (150 mg/L) (p < or = 0.01). In a logistic regression model including age, Quetelet index, Lp(a), apo A1, apo B, triglyceride, and menarchal status, Lp(a) was higher (p = 0.02), apo B was marginally higher (p = 0.07), and apo A1 was lower (p = 0.008) in 25 case girls than in 23 control girls. Reflecting familial clustering of major lipid-lipoprotein risk factors for coronary heart disease, children from kindreds with premature parental myocardial infarction were distinguished from children from control kindreds by high Lp(a) and also had higher apo B and triglyceride and lower apo A1 levels.
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