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Published on: February 28, 2013
Strategies for optimizing glycemic control and cardiovascular prognosis in patients with type 2 diabetes mellitus
James H O'Keefe1, Mohammad Abuannadi, Carl J Lavie
1Mid America Heart and Vascular Institute and University of Missouri-Kansas City, Kansas City, MO, USA.
Abstract:
Type 2 diabetes mellitus (DM) is a major cardiovascular (CV) risk factor and, as such, is considered a coronary artery disease risk equivalent. Although glycemic control is associated with decreased CV events epidemiologically, many prospective clinical trials have failed to conclusively demonstrate that aggressive glycemic control improves the CV prognosis of patients with type 2 DM, especially those with long-standing DM. Many therapies for type 2 DM with widely divergent mechanisms of action are available. Some of these drugs, in addition to their glucose-lowering actions, have properties that may reduce or increase CV events. Agents that lower both insulin resistance and postprandial hyperglycemia while at the same time avoiding hypoglycemia may be beneficial for CV health. This article reviews the evidence regarding the use of these agents and appropriate glycemic control targets for improving the adverse CV prognosis associated with type 2 DM. We conducted a systematic review of English articles using MEDLINE and the Cochrane Controlled Trials Register (1970-2010) using the following search terms: cardiovascular disease, randomized trials, hypoglycemia, and insulin resistance.
Insights
Type 2 diabetes increases cardiovascular risk. While glycemic control is important, certain therapies may offer additional cardiovascular benefits by targeting insulin resistance and hyperglycemia without causing hypoglycemia.
Area of Science:
- Endocrinology
- Cardiology
- Pharmacology
Background:
- Type 2 diabetes mellitus (DM) is a significant cardiovascular (CV) risk factor, often considered a coronary artery disease risk equivalent.
- Despite epidemiological links between glycemic control and reduced CV events, clinical trials have not definitively proven aggressive control improves CV outcomes in type 2 DM, particularly in long-standing cases.
Purpose of the Study:
- To review evidence on antidiabetic agents with potential CV benefits.
- To discuss appropriate glycemic control targets for improving CV prognosis in type 2 DM patients.
Main Methods:
- Systematic review of English-language articles.
- Searched MEDLINE and Cochrane Controlled Trials Register (1970-2010).
- Keywords included: cardiovascular disease, randomized trials, hypoglycemia, insulin resistance.
Main Results:
- Some type 2 DM therapies possess glucose-lowering actions alongside properties that may influence CV events.
- Agents addressing insulin resistance and postprandial hyperglycemia while avoiding hypoglycemia may benefit CV health.
Conclusions:
- Therapeutic strategies for type 2 DM should consider agents that improve CV prognosis.
- Optimizing glycemic control targets and agent selection is crucial for managing cardiovascular risk in type 2 DM.
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