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Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Diabetes Mellitus: Type 2 and Gestational01:22

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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
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Overview of Lipid Metabolism01:24

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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:
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Glucose Transporters

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Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
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Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
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Hypoglycemia and Glucagon01:15

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Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
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Maternal Hypertriglyceridemia in Gestational Diabetes: A New Risk Factor?

Francisca Marques Puga1, Diana Borges Duarte2, Vânia Benido Silva3

  • 1Serviço de Endocrinologia, Diabetes e Metabolismo, Unidade Local de Saúde de Santo António, 4050-366 Porto, Portugal.

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|June 19, 2024
PubMed
Summary

High triglycerides in pregnant women with gestational diabetes mellitus (GDM) significantly increase the risk of having large-for-gestational-age (LGA) newborns. This finding highlights the importance of monitoring maternal lipid profiles in GDM pregnancies.

Keywords:
gestational diabeteslarge for gestational agelipid profilematernal–fetal outcomestriglycerides

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Area of Science:

  • Obstetrics and Gynecology
  • Endocrinology
  • Perinatology

Background:

  • Elevated maternal triglycerides are linked to excessive fetal growth.
  • The maternal lipid profile's role in gestational diabetes mellitus (GDM) requires further investigation.

Purpose of the Study:

  • To investigate the association between maternal lipid profiles in the third trimester and the risk of large-for-gestational-age (LGA) newborns in women with GDM.

Main Methods:

  • An observational, retrospective study involving 100 singleton pregnant women with GDM.
  • Lipid profiles were measured during the third trimester.
  • Logistic regression analysis was used to identify predictors of LGA.

Main Results:

  • Third-trimester hypertriglyceridemia was independently associated with LGA (OR 7.60).
  • Pre-pregnancy BMI was also a significant predictor of LGA (OR 1.19).
  • Hypertriglyceridemia predicted LGA independently of glycemic control, BMI, and weight gain.

Conclusions:

  • Third-trimester hypertriglyceridemia is a predictor of LGA in GDM pregnancies.
  • Maternal lipid profiles, particularly triglycerides, are crucial in managing fetal growth in GDM.
  • Further research is needed to confirm the role of triglycerides in GDM-related fetal overgrowth.