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A Zebrafish Model of Diabetes Mellitus and Metabolic Memory
Published on: February 28, 2013
Heart failure in diabetes mellitus: causal and treatment considerations
G E Sander1, F E Wilklow, T D Giles
1Section of Cardiology, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA.
Insights
Diabetes mellitus causes significant cardiovascular complications, including heart failure. Early detection and management of cardiac issues in diabetic patients are crucial for reducing morbidity and mortality.
Area of Science:
- Cardiology
- Endocrinology
- Metabolic Diseases
Background:
- Diabetes mellitus presents metabolic abnormalities leading to macrovascular and microvascular complications.
- Cardiovascular complications, particularly heart failure, are the leading cause of morbidity and mortality in diabetic patients.
- Heart failure in diabetes is linked to coronary atherosclerosis, hypertension, and diabetic cardiomyopathy.
Purpose of the Study:
- To emphasize the imperative of early cardiac abnormality detection in type 1 and type 2 diabetes.
- To highlight the need for aggressive intervention to control glucose, blood pressure, and lipid profiles.
- To underscore the importance of secondary prevention targets for cardiovascular risk reduction.
Main Methods:
- Review of existing literature on diabetes and cardiovascular complications.
- Analysis of contributing factors: hyperglycemia, insulin resistance, hypertension, and renin-angiotensin-aldosterone system activation.
- Identification of key therapeutic targets and pharmacological interventions.
Main Results:
- Metabolic abnormalities in diabetes significantly increase cardiovascular risk.
- Early identification of cardiac dysfunction is essential for timely intervention.
- Aggressive management of risk factors (BP < 130/80 mmHg, LDL < 100 mg/dL) is recommended.
Conclusions:
- Diabetic patients require early cardiac assessment and management to mitigate cardiovascular events.
- Pharmacological interventions including ACE inhibitors, ARBs, beta-blockers, calcium channel blockers, statins, and aspirin reduce cardiovascular morbidity and mortality.
- Integrated management of hyperglycemia, hypertension, and dyslipidemia is vital for diabetic cardiovascular health.
Abstract:
The metabolic abnormalities associated with diabetes mellitus result in macrovascular and microvascular complications in multiple organ systems; it is the cardiovascular impact that accounts for the greatest morbidity and mortality associated with this disease. Heart failure, both with reduced and preserved systolic function, is a major complication, arising from the frequent associations with coronary atherosclerosis, hypertension, and a specific heart muscle dysfunction (cardiomyopathy) that occurs independently of coronary artery disease. Hyperglycemia, insulin resistance, and hypertension, together with activation of both circulating and tissue renin-angiotensin-aldosterone systems, contribute to structural fibrosis and autonomic neuropathy. Thus it becomes imperative to identify cardiac abnormalities early in the course of both type 1 and type 2 diabetes in order to allow early and aggressive intervention to control glucose and blood pressure and to normalize blood lipid profiles. Patients with diabetes should be treated to secondary prevention targets, including blood pressure less than 130/80 mm Hg and LDL less than 100 mg/dL. Angiotensin converting enzyme inhibitors, angiotensin receptor blockers, beta-blockers, certain calcium channel blockers, statins, and aspirin have all been demonstrated to significantly reduce cardiovascular morbidity and mortality in patients with diabetes.
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