Nora Eccles Harrison Cardiovascular Research & Training Institute

The Relationship Between Chronic Inflammation and Diabetes-Related Heart Complications

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Inflammation plays a critical role in the development of various complications related to diabetes, including those affecting the heart. Chronic inflammation is increasingly recognized as a driving force behind the onset and progression of type 2 diabetes and its associated cardiovascular diseases.

This article explores the connection between inflammation and diabetes, the symptoms of inflammation in people with diabetes, available treatments, and the role of chronic inflammation in type 2 diabetes.

Diabetes & Chronic Inflammation Symptoms

Inflammation is a natural immune response to injury or infection, but in people with diabetes, it can become chronic and harmful. Chronic inflammation in diabetes is often linked to elevated blood sugar levels, which trigger an immune response that damages tissues, including blood vessels, nerves, and the heart.

  • Fatigue: Ongoing fatigue may be a sign of inflammation, as the immune system is constantly activated, using up the body’s resources.
  • Swelling: Chronic inflammation can lead to swelling, particularly in areas of the body that are prone to injury, such as the feet and hands.
  • Joint Pain: People with diabetes may experience joint pain, significantly if the inflammation extends to the joints, a condition known as diabetic arthropathy.
  • Skin Issues: Chronic inflammation can lead to skin problems, such as rashes, redness, or infections that are slow to heal.

Diabetes Inflammation Treatment

Treating inflammation in people with diabetes is crucial to preventing heart complications and other health issues. Managing inflammation requires a multi-faceted approach focusing on controlling blood sugar levels, reducing inflammatory markers, and addressing lifestyle factors contributing to inflammation.

Blood Sugar Control

One of the most effective ways to reduce inflammation in people with diabetes is to maintain stable blood glucose levels. High blood sugar significantly contributes to inflammation, so keeping it within a healthy range can lower the risk of inflammation-related complications.

Anti-Inflammatory Medications

Some medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs), can help reduce inflammation, but they are not typically used as long-term solutions for people with diabetes due to potential side effects. Other medications, such as statins, often prescribed to lower cholesterol, have been found to be anti-inflammatory.

Exercise

Regular physical activity helps reduce inflammation by improving blood sugar control and promoting cardiovascular health. Exercise can also help lower levels of pro-inflammatory molecules in the body, making it a critical component of inflammation management for people with diabetes.

Weight Management

Obesity is closely linked to chronic inflammation, and losing weight can help reduce inflammatory markers. This is particularly important for individuals with type 2 diabetes, who often experience inflammation as a result of excess body fat.

Type 2 Diabetes and Inflammation

Type 2 diabetes and inflammation are intricately connected, with each condition exacerbating the other. Insulin resistance, a hallmark of type 2 diabetes, is often accompanied by low-grade chronic inflammation. This inflammation interferes with the body’s ability to use insulin effectively, leading to higher blood sugar levels and further inflammation.

The connection between type 2 diabetes and inflammation is primarily attributed to excess body fat, especially visceral fat (the fat that surrounds internal organs). This type of fat releases pro-inflammatory molecules known as cytokines, which promote insulin resistance and increase the risk of cardiovascular disease.

Inflammation in type 2 diabetes also contributes to atherosclerosis, in which the arteries narrow due to plaque buildup. This inflammatory process increases the risk of heart attacks, strokes, and other cardiovascular complications.

Chronic Inflammation and How it Relates to Diabetes

Chronic inflammation is a major underlying factor in the development and progression of diabetes-related complications, particularly heart disease. When inflammation becomes long-lasting, it disrupts the normal functioning of the immune system and leads to tissue damage. In people with diabetes, chronic inflammation is often the result of prolonged high blood sugar levels, which can damage blood vessels, nerves, and other organs.

The inflammation-heart disease link is especially concerning for people with diabetes because chronic inflammation affects the arteries. As inflammatory markers increase, they damage the inner lining of the blood vessels, making them more prone to plaque buildup. Over time, this plaque hardens and narrows the arteries, limiting blood flow to the heart and other vital organs.

Managing Chronic Inflammation

Managing inflammation through lifestyle changes, medication, and proper blood sugar control is essential for reducing the risk of heart disease in people with diabetes. By addressing the underlying causes of inflammation, individuals with diabetes can significantly improve their heart health and overall well-being.