Dyslipidemia in pregnancy may contribute to increased risk of neural tube defects -a pilot study in north Indian population |
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| Authors: | Supriya Gupta Sarika Arora S S Trivedi Ritu Singh |
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| Institution: | (1) Department of Biochemistry, GB Pant Hospital, New Delhi, India;(2) Department of Obstetrics & Gynaecology, Lady Hardinge Medical College & Associated Hospitals, New Delhi, India;(3) Department of Biochemistry, Lady Hardinge Medical College & Associated Hospitals, New Delhi, India;(4) Department of Biochemistry, G.B. Pant Hospital, 418, Academic Block, New Delhi, 110002, India |
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| Abstract: | Neural tube defects are congenital structural abnormalities of the brain and vertebral column resulting from improper or non-timely
closure of the neural tube. Prevalence of neural tube defects is reported to be higher among women with diabetes mellitus
and obesity. This study was designed to investigate the relation between the presence of dyslipidemia in antenatal patients
and the risk of fetal neural tube defects. The present study was an observational, cross-sectional study involving 129 pregnant
women in 16 to 18 weeks gestation period. Of these, 80 women had normal pregnancies and 49 were clinically high-risk cases
for neural tube defects. Fasting blood samples were analyzed for blood sugar and lipid profile by enzymatic assay and alpha-fetoprotein
levels using Enzyme Immunoassay. Alpha-fetoprotein (AFP) values were converted to Multiples of Median (MoM) appropriate for
the gestational age. Based on AFP values, women were labeled as screen negative (AFP <2 MoM, n= 102) and screen positive (AFP
> 2 MoM, n =27). Screen positive women were further evaluated by ultrasound and 21 women were found to carry a neural tube
defects positive pregnancy. Statistical analysis was done on SPSS software. Body weight of the women showed a significant
positive correlation with serum triglycerides, plasma sugar and AFP MoM values. A significant difference was observed in serum
cholesterol levels (p= 0.038), triglycerides (p=0.001) and plasma sugar levels (p=0.002) between normal women and those with
neural tube defects positive pregnancy. The Odds ratio for neural tube defects risk in dyslipidemic cases was 24.23 (CI 4.73
− 148.60) with a relative risk of 12.12. Dyslipidemia especially hypertriglyceridemia was found to be significantly associated
with fetal neural tube defects. |
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| Keywords: | Neural tube defects Dyslipidemia Alpha Feto Protein Multiples of Median |
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