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Pathogenesis of atherosclerosis in diabetes and hypertension
1Department of Medicine, Nizam's Institute of Medical Sciences, Hyderabad, India.
Insights
Atherosclerotic vascular disease significantly impacts individuals with diabetes mellitus and hypertension, leading to major mortality and morbidity. Managing hyperglycemia, hypertension, and hyperlipidemia is crucial for prevention.
Area of Science:
- Cardiovascular Medicine
- Endocrinology
- Metabolic Diseases
Background:
- Atherosclerotic vascular disease (AVD) prevalence is notably high in patients with diabetes mellitus (DM) and hypertension.
- AVD is a primary cause of mortality and morbidity in these patient populations.
- Associated risk factors include dyslipidemia, hyperinsulinemia, central obesity, and insulin resistance, which also contribute to DM and hypertension development.
Purpose of the Study:
- To elucidate the mechanisms of accelerated atherosclerosis in diabetes.
- To highlight the therapeutic implications for preventing AVD in individuals with DM and hypertension.
Main Methods:
- Review of established mechanisms contributing to accelerated atherosclerosis in diabetes.
- Analysis of risk factors associated with AVD, DM, and hypertension.
- Synthesis of therapeutic strategies for AVD prevention in at-risk populations.
Main Results:
- Diabetes-specific mechanisms, including non-enzymatic glycation, oxidative lipoprotein modification, and prothrombotic tendencies, accelerate atherosclerosis.
- Insulin resistance, with a strong genetic component, is a fundamental factor.
- Dyslipidemia, hyperinsulinemia, and central obesity are linked to increased atherosclerosis risk.
Conclusions:
- Tight control of hyperglycemia, hypertension, and hyperlipidemia is essential for preventing AVD in patients with diabetes and hypertension.
- Lifestyle modifications, such as avoiding cigarette smoking and obesity, are critical components of preventative strategies.
Abstract:
Prevalence of atherosclerotic vascular disease is markedly increased among individuals with diabetes-mellitus and hypertension. Its major clinical manifestations are consequences of atherosclerosis of coronary arteries, cerebral arteries and large arteries of lower extremities. Thus, atherosclerotic vascular disease is the major cause of mortality and significant morbidity in diabetes and hypertension. Dyslipidemia, hyperinsulinemia, and central obesity seem to be associated with increased risk of atherosclerosis, along with the development of hypertension and diabetes (NIDDM). Insulin resistance is the fundamental factor in this situation which has strong genetic predisposition. Accelerated atherosclerosis in diabetes due to mechanism unique to diabetes like non-enzymatic glycation of proteins, oxidative modification of lipoproteins, formation of lipoproteins immune complexes, lipoproteins aggregation, disturbances of cell replication and growth factors and propensity to thrombosis are clearly established. Therapeutic implication for the prevention of atherosclerosis in diabetes and hypertension clearly emphasizes the need to achieve tight control of hyperglycemia, hypertension, and hyperlipidemia in addition to avoiding cigarette smoking and developing obesity.