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21.23:

Diabetes Mellitus: Type 2 and Gestational

JoVE 핵심
Anatomy and Physiology
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JoVE 핵심 Anatomy and Physiology
Diabetes Mellitus: Type 2 and Gestational

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In Type 2 or insulin-independent diabetes, the insulin receptors on the cells stop responding to insulin, developing resistance to insulin functions. This reduces the cell's ability to uptake glucose and, as a result, increases the blood glucose levels.

As shown in the table, blood sugar can be measured using different tests. Depending on the cut-off values, a patient is diagnosed as normal, prediabetic, or diabetic.

Type 2 diabetes is common in adults. Lack of physical activity, obesity, poor diet, and a family history are major risk factors.

Similar to Type 1, Type 2 diabetic patients are at risk of heart disease, amputations, kidney failure, and blindness.

Type 2 diabetes is managed through lifestyle changes like diet and exercise, along with medications such as oral antidiabetic drugs and, if needed, insulin therapy.

Gestational Diabetes Mellitus or GDM occurs during pregnancy and can lead to complications such as preterm labor, fetal overgrowth, and preeclampsia.

Although it resolves post-childbirth, GDM mothers and the babies born to them face a lifelong risk of developing Type 2 diabetes, cardiovascular diseases, and obesity.

21.23:

Diabetes Mellitus: Type 2 and Gestational

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 severity of the glucose elevation.

Type 2 diabetes, more common in adults, is associated with risk factors such as a sedentary lifestyle, obesity, poor diet, and a family history of the condition. Similar to Type 1 diabetes, individuals with Type 2 diabetes are susceptible to complications like heart disease, amputations, kidney failure, and blindness.

Management of Type 2 diabetes includes lifestyle modifications, encompassing dietary changes and regular exercise. Pharmacological management, such as oral antidiabetic medications, may be necessary, and in some cases, insulin therapy may be prescribed.

Gestational diabetes mellitus (GDM) occurs during pregnancy and can lead to complications such as preterm labor, fetal overgrowth, and preeclampsia. While GDM typically resolves post-childbirth, both mothers and their babies face a lifelong risk of developing Type 2 diabetes, cardiovascular diseases, and obesity.

Comprehensive management strategies, including early diagnosis, lifestyle interventions, and appropriate medical treatments, are crucial in mitigating the risks associated with Type 2 diabetes and its gestational counterpart, GDM.