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Comparison of Cord Blood Lipid Profile in Preterm Small for Gestational Age and Appropriate for Gestational Age
Tejasree Katragadda1, Rajesh Shimoga Mahabala2, Subodh Shetty3
1Resident, Department of Paediatrics, Kasturba Medical College , Mangaluru, Karnataka, India .
Insights
Preterm infants, especially those small for gestational age (SGA), exhibit a more atherogenic lipid profile. This highlights prematurity and SGA as critical factors for early cardiovascular disease risk.
Area of Science:
- Neonatal Medicine
- Cardiovascular Research
- Public Health
Background:
- Coronary heart disease (CHD) is a leading cause of mortality.
- The fetal origins hypothesis suggests early life factors influence adult CHD.
- Limited research exists on cord blood lipid profiles in preterm neonates.
Purpose of the Study:
- To investigate cord blood lipid profiles in preterm infants.
- To compare lipid profiles between preterm appropriate for gestational age (AGA) and preterm small for gestational age (SGA) neonates.
- To assess the atherogenic index in these groups.
Main Methods:
- Cross-sectional study of 109 preterm infants.
- Cord blood samples collected at birth.
- Analysis of lipid profile: cholesterol, triglycerides, LDL, HDL, ApoA1, and Apo B.
Main Results:
- Preterm SGA neonates showed significantly higher triglycerides, Apo B, and atherogenic index compared to preterm AGA neonates.
- Other lipid levels were not significantly different but exceeded reference ranges for term infants.
- Atherogenic lipid profile associated with prematurity and SGA.
Conclusions:
- Prematurity is confirmed as a risk factor for an atherogenic lipid profile.
- Small for gestational age (SGA) status is an additional risk factor.
- Findings support future research in primordial prevention of cardiovascular diseases.
Introduction:
Coronary heart disease is one of the major causes of morbidity and mortality in current era. The roots of this epidemic have been traced to as early as foetal life by foetal origin hypothesis. There are a few studies which have compared the cord blood lipid profile of preterm and term babies and thereby leading a path to primordial prevention of chronic diseases.
Aim:
To study cord blood lipid profile of preterm appropriate for gestational age and preterm small for gestational age neonates and compare atherogenic index of both groups.
Materials And Methods:
This cross-sectional study was conducted in 109 preterm infants. Cord blood samples were collected from placental side of umbilical cord at birth and analyzed for lipid profile which includes serum cholesterol, triglycerides, Low Density Lipoprotein (LDL), High Density Lipoprotein (HDL) and apolipoproteins which include ApoA1, Apo B.
Results:
Preterm Small for Gestational Age (SGA) neonates had statistically significant higher values of triglycerides, Apo B and atherogenic index compared to preterm Appropriate for Gestational Age (AGA) neonates. Other measured lipid levels were not statistically significant, though the values were higher than reference ranges for term babies.
Conclusion:
Prematurity as a factor associated with a more atherogenic lipid profile is re-affirmed and SGA as an additional risk factor has been proven giving scope for future research and primordial prevention.
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