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Pathophysiology of coronary heart disease: a brief review
1Department of Medicine, Division of Cardiology, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Dr, San Antonio, TX 78284-6200, USA. chilton@uthscsa.edu
Insights
Lowering low-density lipoprotein cholesterol (LDL-C) significantly reduces coronary heart disease (CHD) risk. Current strategies emphasize lipid lowering for CHD risk reduction, especially for high-risk patients.
Area of Science:
- Cardiovascular Medicine
- Public Health
- Lipidology
Background:
- Coronary heart disease (CHD) is a leading cause of death in the US.
- Established link between lipids, particularly low-density lipoprotein cholesterol (LDL-C), and CHD risk.
- National Cholesterol Education Program guidelines recommend LDL-C lowering for CHD risk reduction.
Purpose of the Study:
- To review the established role of lipid lowering in reducing CHD risk.
- To discuss emerging evidence on C-reactive protein's potential role in atherosclerosis.
- To emphasize current CHD risk reduction strategies focusing on lipid management.
Main Methods:
- Review of epidemiologic studies and long-term outcomes trials.
- Analysis of National Cholesterol Education Program recommendations.
- Consideration of emerging research on C-reactive protein and atherosclerosis.
Main Results:
- Long-term trials confirm that lowering LDL-C significantly reduces major coronary events.
- Lipid lowering remains a cornerstone of CHD risk reduction strategies.
- The role of C-reactive protein in CHD risk requires further validation in prospective trials.
Conclusions:
- Current evidence strongly supports lipid lowering for CHD risk reduction, especially for high-risk individuals.
- Lifestyle modifications and effective therapies are key to managing LDL-C levels.
- Further research is needed to establish the clinical utility of C-reactive protein in CHD risk assessment.
Abstract:
Coronary heart disease (CHD) remains a persistent public health burden in the United States, and it is the cause of one of every five deaths each year. The link between lipids and CHD has been firmly established, first by epidemiologic studies and, more recently, by long-term outcomes trials that demonstrated that lowering low-density lipoprotein cholesterol (LDL-C) levels significantly reduced the risk of major coronary events. Based on this evidence, the National Cholesterol Education Program recommends lowering the LDL-C level to reduce CHD risk, particularly for patients at highest risk. Recently, evidence has emerged that suggests that C-reactive protein may be a mediator of atherosclerosis and its presence may be indicative of increased risk of CHD. Although these data are intriguing, their relevance has yet to be established in prospective outcomes trials. Until then, lipid lowering through lifestyle modification and the use of safe and effective modes of therapy should be the emphasis of CHD risk reduction strategies.
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