[Lipid metabolism in severely acute diarrheic disease in infants]

V Lupu1, D Popa, M Damian

  • 1Secţia Pediatrie, Spitalul Judeţean Vaslui.

Pediatrie (Bucharest, Romania)
|April 1, 1992
PubMed

Insights

Infants with severe acute diarrhea show increased triglycerides due to lipid mobilization and dietary changes. Cholesterol ester levels decrease initially but tend to normalize over time in these pediatric patients.

Area of Science:

  • Pediatric Gastroenterology
  • Clinical Biochemistry
  • Nutritional Science

Context:

  • Acute diarrheal disease in infants can significantly impact lipid metabolism.
  • Understanding these metabolic changes is crucial for effective clinical management and nutritional support.
  • Previous research has explored various aspects of infant diarrhea, but lipid profiles require further detailed investigation.

Purpose:

  • To investigate alterations in lipid profiles, including total lipids, cholesterol (total and esterified), and triglycerides, in infants experiencing serious acute diarrheic disease.
  • To analyze changes in these lipid parameters during the acute phase and at a 10-day follow-up interval.
  • To examine the lipidogram, specifically focusing on lipoprotein fractions (alpha and prebeta), in affected infants.

Summary:

  • This study analyzed lipid profiles in 34 infants with severe acute diarrhea.
  • Triglyceride levels consistently increased, indicating lipid mobilization, exacerbated by hypolipidic and hypocaloric diets.
  • Esterified cholesterol initially decreased but showed a trend toward normalization, while total lipids increased in a subset of cases. Elevated alpha- and prebeta-lipoproteins were observed in the acute phase.

Impact:

  • Provides insights into the metabolic disturbances associated with acute diarrheal illness in infants.
  • Highlights the dynamic changes in lipid metabolism during illness and recovery, informing nutritional interventions.
  • Contributes to a better understanding of lipid and lipoprotein alterations in pediatric gastroenterological conditions.

Related Concept Videos

Lipid Digestion01:06

Lipid Digestion

Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.
Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents01:18

Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents

Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
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...
Lipid Absorption01:24

Lipid Absorption

Dietary triglycerides from chyme in the duodenum are mixed with bile salts produced by the liver to emulsify fats. As a result, large droplets are broken down into smaller ones, increasing the surface area for enzymatic action. Once emulsified, pancreatic lipases hydrolyze the triglycerides into free fatty acids and monoglycerides.
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
Lipid Catabolism01:25

Lipid Catabolism

Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
Biosynthesis of Lipids01:29

Biosynthesis of Lipids

Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis pathway, which...