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Amniotic fluid lipids in sickle cell disease

S K Das, H W Foster

    American Journal of Obstetrics and Gynecology
    |January 15, 1980
    PubMed
    Summary

    Sickle cell disease pregnancy shows significantly lower amniotic fluid lipids, especially phospholipids like lecithin. This indicates altered fetal lipid metabolism in sickle cell disease patients.

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    Area of Science:

    • Obstetrics and Gynecology
    • Hematology
    • Biochemistry

    Background:

    • Sickle cell disease (SCD) is a genetic blood disorder affecting hemoglobin.
    • Pregnancy in women with SCD presents increased risks for both mother and fetus.
    • Amniotic fluid composition can reflect fetal well-being and metabolic status.

    Purpose of the Study:

    • To investigate the lipid profile of amniotic fluid in pregnancies complicated by sickle cell disease.
    • To compare lipid and phospholipid composition between SCD patients and normal pregnancies.
    • To identify potential biomarkers of fetal compromise in SCD pregnancies.

    Main Methods:

    • Analysis of amniotic fluid samples from women with SCD and normal pregnancies after 37 weeks gestation.
    • Quantification of total lipids, nonpolar lipids, and phospholipids.
    • Detailed analysis of phospholipid composition and fatty acid profiles.

    Main Results:

    • Amniotic fluid from SCD patients had significantly reduced total lipids (63.4%), nonpolar lipids (71.7%), and phospholipids (48.6%) compared to controls.
    • Nonpolar lipid composition showed no significant differences.
    • Phospholipid composition varied significantly, with lower choline glycerophospholipids (lecithin) and higher other phospholipids in SCD pregnancies.
    • Elevated levels of polyunsaturated fatty acids and fluorescent lipid pigments were observed in SCD patients' amniotic fluid.

    Conclusions:

    • Pregnancies with sickle cell disease are associated with substantial alterations in amniotic fluid lipid profiles.
    • Reduced lecithin and increased other phospholipids may indicate compromised fetal lung maturity or altered lipid metabolism in SCD.
    • Further research is warranted to explore the clinical implications of these findings for fetal health monitoring in SCD.

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