Association between lipid fractions and age of first myocardial infarction

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Objective. Dyslipidemia is a major cause of early coronary heart disease (CHD). Low-density-lipoprotein cholesterol (LDL-C), remnant cholesterol (remnant-C) and high-density lipoprotein cholesterol (HDL-C) have all been shown to be associated with risk of CHD. We aimed to compare the association of these lipid fractions with age at first myocardial infarction(MI). Design. Multicenter study of consecutive patients hospitalized with a first MI. Linear regression models were used to assess the independent association of LDL-C, remnant-C and HDL-C with age at first MI. Results. The study included 1744 patients. In univariate analyses, LDL-C, remnant-C, and HDL-C were all significantly associated with age at first MI. However, in multivariate analyses only LDL-C [-2.5 years (95%CI: -3.1 to -1.8) per 1 SD increase] and to a lesser extent remnant-C [-0.9 years (95% CI: -1.5 to -0.3)] continued to be associated with age of MI, while HDL-C [0.5 years (95%CI: -0.2 to 1.2)] was not. Conclusions. LDL-C is the lipid fraction strongest associated with younger age of presentation of first MI. These results support the importance of controlling and treating LDL-C in prevention of premature MI.

Original languageEnglish
JournalScandinavian Cardiovascular Journal
Volume54
Issue6
Pages (from-to)346-351
Number of pages6
ISSN1401-7431
DOIs
Publication statusPublished - Dec 2020

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