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[Lipid, lipoproteins and atherogenesis profiles in sickle cell disease among Central African patients]

Etienne Mokondjimobe1, Benjamin Longo-Mbenza, Felix Ovono-Abessolo

  • 1Laboratoire de biochimie-pharmacologie, Faculté des sciences de la santé, Brazzaville, Congo. mmobet@yahoo.fr

Annales De Biologie Clinique
|April 10, 2012
PubMed

Insights

Sickle cell disease (SCD) patients show altered lipid profiles, with reduced total cholesterol and LDL-C in homozygotes (SS) and decreased HDL-C in heterozygotes (AS). These findings highlight the need for managing dyslipidemia in SCD patients.

Area of Science:

  • Cardiovascular Health
  • Hematology
  • Metabolic Disorders

Context:

  • Sickle cell disease (SCD) is associated with lipid and lipoprotein abnormalities, particularly in African populations.
  • Previous studies indicate dyslipidemia in SCD patients, but data from Brazzaville, Congo, is limited.
  • Understanding these lipid alterations is crucial for managing associated cardiovascular risks.

Purpose:

  • To compare serum lipid profiles, including total cholesterol (TC), HDL-C, triglycerides (TG), LDL-C, and the TC/HDL-C ratio (atherogenic index).
  • To investigate these parameters in sickle cell disease homozygotes (SS) in steady state, heterozygotes (AS), and healthy controls (AA) in Brazzaville, Congo.

Summary:

  • Serum TC and LDL-C were significantly reduced, while TG levels increased in SS patients compared to controls.
  • AS patients exhibited a significant decrease in HDL-C and an elevated atherogenic index.
  • These findings suggest distinct lipid profile alterations in different SCD genotypes.

Impact:

  • Recommends hygiene-dietary measures for preventing oxidative stress, dyslipidemia, and atherosclerosis in SCD.
  • Suggests the need for longitudinal studies in larger populations to elucidate the pathophysiology of lipid disorders in SCD.
  • Provides valuable data for targeted interventions and future research on cardiovascular complications in SCD.

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