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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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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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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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Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
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Hypoglycemia is a blood glucose level below 70 mg/dL. It commonly occurs in individuals using insulin or insulin-secreting drugs, but may also arise in non-diabetic conditions. People with type 1 diabetes are at the highest risk because they depend on exogenous insulin. People with type 2 diabetes are also at risk, especially when treated with insulin or medications such as sulfonylureas, which increase insulin release regardless of blood glucose levels. It develops when insulin levels exceed...
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Hyperglycemia01:29

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Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose...
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Improving IV Insulin Administration in a Community Hospital
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Glucose control during labor and delivery.

Edmond A Ryan1, Rany Al-Agha

  • 1Division of Endocrinology and Metabolism and Alberta Diabetes Institute, 362 Heritage Medical Research Centre, University of Alberta, Edmonton, AB, T6G 2S2, Canada, edmond.ryan@ualberta.ca.

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|December 3, 2013
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Summary
This summary is machine-generated.

Maintaining maternal glucose between 4.0-7.0 mmol/L during labor is crucial for preventing neonatal hypoglycemia in infants born to diabetic mothers. This review highlights optimal glucose control strategies for pregnant women with diabetes.

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Area of Science:

  • Obstetrics and Gynecology
  • Neonatology
  • Endocrinology

Background:

  • Neonatal hypoglycemia is a significant risk for infants of diabetic mothers.
  • Maternal diabetes, both pregestational and gestational, complicates pregnancy management.
  • Effective intrapartum glucose control is essential to mitigate neonatal complications.

Purpose of the Study:

  • To review existing literature on maternal glucose control protocols during labor and delivery in diabetic pregnancies.
  • To determine the relationship between maternal intrapartum glucose levels and neonatal hypoglycemia.
  • To establish optimal maternal glucose targets for minimizing neonatal hypoglycemia.

Main Methods:

  • Systematic review of 24 published papers on glucose control in pregnant diabetic women during labor.
  • Analysis of 19 studies investigating the correlation between maternal labor glucose and neonatal hypoglycemia.
  • Evaluation of own published work and results from other studies.

Main Results:

  • A significant inverse relationship between maternal labor glucose and neonatal hypoglycemia was observed in 10 of 19 studies, with a similar trend in 3 others.
  • Optimal maternal glucose levels during labor appear to be between 4.0 and 6.0-7.0 mmol/L.
  • Women with gestational diabetes often require less intensive monitoring and insulin management compared to those with pregestational diabetes.

Conclusions:

  • Maintaining maternal glucose levels between 4.0-6.0 mmol/L during labor is safe and effective in reducing neonatal hypoglycemia, particularly with iterative glucose-insulin infusion protocols.
  • Gestational diabetes patients, especially those on low-dose insulin, may not require continuous intravenous insulin.
  • Evidence supports specific maternal glucose targets to improve neonatal outcomes in diabetic pregnancies.