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Infant blood lipids: a systematic review of predictive value and influential factors
Isabella Theresa Felzer-Kim1, Joseph R Visker1, D P Ferguson1
1Department of Kinesiology, Michigan State University , East Lansing, Michigan, United States.
Insights
Early infant blood lipid measurement, including total cholesterol and lipoproteins, can predict later childhood values and aid cardiovascular disease (CVD) prevention. Factors like sex, race, and feeding influence infant lipid levels, identifying at-risk infants.
Area of Science:
- Pediatrics
- Cardiology
- Preventive Medicine
Background:
- Current blood lipid screening for cardiovascular disease (CVD) risk begins at ages 9-11 years.
- Fatty streaks in coronary arteries are evident by age 3, suggesting a need for earlier screening.
- Earlier blood lipid measurement in infancy may enhance CVD prevention strategies.
Purpose of the Study:
- To systematically review evidence on infant blood lipids (total cholesterol, LDL, HDL, triglycerides).
- To assess the predictive value of infant blood lipids for later childhood values.
- To identify factors influencing infant blood lipid levels.
Main Methods:
- Systematic review of 38 articles published between 1965 and 2013.
- Included studies examined infant blood lipids and their prediction of later values.
- Analysis of factors influencing infant lipid concentrations.
Main Results:
- Longitudinal data show correlations in most lipid values by 6 months of age, excluding triglycerides.
- Infant blood lipid levels are influenced by sex, race, family history, feeding, gestational length, birth weight, and maternal factors.
- Infant lipid measurements can serve as early markers for CVD.
Conclusions:
- Infant blood lipid measurement offers potential as an early CVD marker.
- Identifying individual factors associated with lipid levels can target early CVD prevention.
- Personalized CVD prevention strategies can be developed by identifying vulnerable populations based on infant lipid profiles.
Introduction:
Blood lipid screening recommendations begin at ages 9-11 years, despite poor adherence and evidence of fatty streaks in coronary arteries by 3 years of age. For cardiovascular disease (CVD) prevention, there may be value in earlier measurement of blood lipids.
Areas Covered:
The present systematic review examines evidence concerning total cholesterol, low-density lipoprotein, high-density lipoprotein, and triglycerides during the infant period. Included are studies examining the extent to which infant blood lipids predict later values in childhood and factors that influence their magnitude. A total of 38 articles (published from 1965 to 2013) met inclusion criteria and were examined in this review.
Expert Opinion:
Longitudinal data suggest correlative relationships in all lipid values around 6 months of age, except for TRG. Influential factors related to blood lipids in infancy include sex, race, family history, feeding, gestational length, birth weight, and maternal factors. Clinical measurement of infant lipids could perhaps provide an early marker of CVD and a target of early CVD prevention strategies. The identification of personal characteristics that associate with high or low values in each lipid could become important in the early identification of vulnerable populations and the promotion of personalized CVD prevention.
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