Lipid profile as an indicator of COVID-19 severity: A systematic review and meta-analysis

Roshan Kumar Mahat1, Vedika Rathore2, Neelima Singh3

  • 1Department of Biochemistry, Pandit Raghunath Murmu Medical College and Hospital, Baripada, Mayurbhanj, Odisha, 757107, India.

Clinical Nutrition ESPEN
|October 8, 2021
PubMed

Insights

This study found that altered lipid profiles, including lower total cholesterol, HDL-C, and LDL-C, are linked to severe COVID-19 and increased mortality risk. These lipid markers may help predict patient outcomes.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Biochemistry

Background:

  • Coronavirus disease-2019 (COVID-19) is a significant global health crisis.
  • Dyslipidemia has been observed in COVID-19 patients, suggesting a link to disease progression.
  • Understanding the role of lipid profiles in COVID-19 severity and outcomes is crucial for patient management.

Purpose of the Study:

  • To systematically review and meta-analyze existing studies.
  • To evaluate the association between lipid profiles and COVID-19 severity.
  • To assess the relationship between lipid profiles and mortality in COVID-19 patients.

Main Methods:

  • Searched PubMed/Medline, Europe PMC, and Google Scholar for relevant studies (Jan 2020 - Jan 2021).
  • Included 19 studies assessing lipid profiles in relation to COVID-19 severity and/or mortality.
  • Employed random or fixed-effects models for meta-analysis and assessed heterogeneity.

Main Results:

  • Significantly decreased total cholesterol (TC), HDL-C, and LDL-C in severe COVID-19 cases compared to non-severe.
  • Lower HDL-C and LDL-C levels were observed in non-survivors versus survivors.
  • TC levels were also decreased in non-survivors compared to survivors.

Conclusions:

  • The lipid profile is significantly associated with both the severity and mortality of COVID-19.
  • Lipid profile parameters may serve as potential biomarkers for assessing COVID-19 severity and prognosis.
  • Further research can explore therapeutic interventions targeting lipid metabolism in COVID-19.
Abstract

Related Concept Videos

Lipid-derived Compounds in the Human Body01:31

Lipid-derived Compounds in the Human Body

Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support variousĀ  biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin, delayed...
Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
Overview of Lipid Metabolism01:24

Overview of Lipid Metabolism

Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...