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<p>Obesity and type 2 diabetes (T2D) are interconnected metabolic disorders driving the global increase in cardiovascular diseases. Obesity contributes to insulin resistance, systemic inflammation, and metabolic imbalances, which hasten the progression of T2D and impair heart function. Persistent low-grade inflammation, disrupted adipokine signaling, and oxidative stress result in endothelial dysfunction, myocardial fibrosis, and cardiac remodeling. In type 2 diabetes, hyperglycemia worsens these conditions by facilitating the formation of advanced glycation end products (AGEs), mitochondrial dysfunction, and lipid buildup, further disrupting cardiac metabolism and elevating the risk of heart failure. Coronary microvascular dysfunction plays a significant role in myocardial ischemia among individuals with obesity and diabetes. This review explore the complex mechanisms that connect obesity, diabetes, and myocardial dysfunction while emphasizing innovative therapeutic strategies to reduce cardiovascular disease (CVD) risk. Pharmacological treatments, such as SGLT2 inhibitors, GLP-1 receptor agonists, and anti-inflammatory agents, demonstrate potential in enhancing metabolic and cardiovascular health by addressing oxidative stress, inflammation, and glucotoxicity. Meanwhile, lifestyle changes, including weight management and regular physical activity, remain fundamental to both prevention and treatment. Tackling these interconnected pathways is crucial for developing effective solutions to lessen the CVD burden in obese and diabetic populations.</p>

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Exploring the pathophysiological links between obesity, diabetes, and myocardial dysfunction: an in-depth narrative review

  • 期刊论文

  • 发表日期：

    2025年12月4日

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  • Ramtin Naderian,
  • Samira Mehrabipari,
  • Mohammad Amin Hemmati,
  • Majid Eslami

摘要

Obesity and type 2 diabetes (T2D) are interconnected metabolic disorders driving the global increase in cardiovascular diseases. Obesity contributes to insulin resistance, systemic inflammation, and metabolic imbalances, which hasten the progression of T2D and impair heart function. Persistent low-grade inflammation, disrupted adipokine signaling, and oxidative stress result in endothelial dysfunction, myocardial fibrosis, and cardiac remodeling. In type 2 diabetes, hyperglycemia worsens these conditions by facilitating the formation of advanced glycation end products (AGEs), mitochondrial dysfunction, and lipid buildup, further disrupting cardiac metabolism and elevating the risk of heart failure. Coronary microvascular dysfunction plays a significant role in myocardial ischemia among individuals with obesity and diabetes. This review explore the complex mechanisms that connect obesity, diabetes, and myocardial dysfunction while emphasizing innovative therapeutic strategies to reduce cardiovascular disease (CVD) risk. Pharmacological treatments, such as SGLT2 inhibitors, GLP-1 receptor agonists, and anti-inflammatory agents, demonstrate potential in enhancing metabolic and cardiovascular health by addressing oxidative stress, inflammation, and glucotoxicity. Meanwhile, lifestyle changes, including weight management and regular physical activity, remain fundamental to both prevention and treatment. Tackling these interconnected pathways is crucial for developing effective solutions to lessen the CVD burden in obese and diabetic populations.