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Is Sepsis an Essential Fatty Acids Deficiency State?

Undurti N Das1

  • 1Department of Medicine, Omega Hospitals, Gachibowli, Hyderabad, India.

Indian Journal of Critical Care Medicine : Peer-Reviewed, Official Publication of Indian Society of Critical Care Medicine
|November 10, 2025
PubMed
Summary
This summary is machine-generated.

Sepsis may be a deficiency state of essential fatty acids (EFAs). Restoring EFAs and their metabolism could prevent and manage sepsis and other inflammatory conditions.

Keywords:
CorticosteroidsEicosanoidsEssential fatty acidsHyperinflammationImmunosuppressionSepsis

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Area of Science:

  • Critical care medicine
  • Biochemistry
  • Immunology

Background:

  • Sepsis causes high morbidity and mortality in critical care units, with current therapies often failing.
  • Corticosteroids and cytokine-targeted therapies have shown limited efficacy, necessitating novel approaches.
  • Essential fatty acids (EFAs) and their metabolites play crucial roles in inflammation and immune response modulation.

Purpose of the Study:

  • To investigate the potential role of essential fatty acids (EFAs) in sepsis.
  • To explore whether sepsis can be characterized as an EFA deficiency state.
  • To propose EFA restoration as a therapeutic strategy for sepsis.

Main Methods:

  • Analysis of plasma phospholipid fractions in sepsis patients.
  • Review of the impact of corticosteroids and cytokines on EFA metabolism.
  • Examination of EFA metabolite concentrations and their relationship to inflammatory markers.

Main Results:

  • Sepsis patients exhibit significantly lower plasma concentrations of key n-6 (GLA, DGLA, AA) and n-3 (ALA, EPA) EFAs.
  • Corticosteroids and cytokines (IL-6, TNF-α) interfere with EFA metabolism by inhibiting desaturase activity.
  • This interference disrupts the normal production of anti-inflammatory eicosanoids and metabolites.

Conclusions:

  • Sepsis may represent a state of essential fatty acid deficiency, leading to dysregulated inflammation.
  • Impaired EFA metabolism contributes to the failure of inflammation resolution and wound healing in sepsis.
  • Restoring normal EFA levels and metabolism is proposed as a potential preventative and management strategy for sepsis and related inflammatory diseases.