Hyperglycaemia and cardiovascular risk

F Palumbo1, C Bianchi, R Miccoli

  • 1Department of Endocrinology and Metabolism, Cisanello Hospital, Via Paradisa 2, I-56124, Pisa, Italy.

Acta Diabetologica
|January 6, 2004
PubMed

Insights

Type 2 diabetes significantly increases cardiovascular disease risk, comparable to prior heart attacks. Managing hyperglycemia and associated metabolic factors is crucial for reducing mortality in these patients.

Area of Science:

  • Cardiology
  • Endocrinology
  • Metabolic Syndrome Research

Background:

  • Cardiovascular diseases (CVD) are the leading cause of mortality globally.
  • Type 2 diabetes mellitus (T2DM) patients face a disproportionately high risk of CVD mortality.
  • This risk in T2DM patients equals that of non-diabetics post-myocardial infarction.

Purpose of the Study:

  • To highlight the significant contribution of hyperglycemia to cardiovascular morbidity and mortality in T2DM.
  • To emphasize hyperglycemia's role as a cardiovascular risk multiplier.
  • To advocate for comprehensive assessment and management of glycemic control and metabolic syndrome components.

Main Methods:

  • Review of existing literature on diabetes, hyperglycemia, and cardiovascular outcomes.
  • Analysis of risk factors contributing to cardiovascular mortality in T2DM patients.
  • Discussion of treatment strategies focusing on glycemic control and metabolic syndrome.

Main Results:

  • Hyperglycemia exacerbates cardiovascular morbidity and mortality in diabetes mellitus.
  • Diabetic patients often present with multiple, co-existing risk factors, amplifying cardiovascular risk.
  • Effective management necessitates a thorough evaluation of glycemic control and metabolic syndrome.

Conclusions:

  • Comprehensive management of T2DM must address both glycemic control and associated metabolic factors.
  • Targeting hyperglycemia and the broader metabolic syndrome is essential for reducing cardiovascular risk in diabetic patients.

Related Concept Videos

Diabetes Mellitus: Type 2 and Gestational01:22

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...
Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

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...
Type II Diabetes II: Pathophysiology01:24

Type II Diabetes II: Pathophysiology

PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...
Hypoglycemia01:26

Hypoglycemia

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...
Hyperglycemia01:29

Hyperglycemia

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 levels exceed 180 mg/dL two...