Relationship between lipid profiles and plasma total homocysteine, cysteine and the risk of coronary artery disease in coronary angiographic subjects
2011

Lipid Profiles and Heart Disease Risk

Sample size: 2058 publication 10 minutes Evidence: moderate

Author Information

Author(s): Xiao Yunjun, Zhang Yuan, Lv Xiaofei, Su Dongfang, Li Dan, Xia Min, Qiu Jian, Ling Wenhua, Ma Jing

Primary Institution: Guangdong Provincial Key Laboratory of Food, Nutrition and Health; Department of Nutrition, School of Public Health, Sun Yat-sen University

Hypothesis

Are homocysteine and cysteine associated with lipid parameters and the risk of coronary artery disease?

Conclusion

High levels of homocysteine are linked to lower HDL cholesterol and increased risk of coronary artery disease.

Supporting Evidence

  • Plasma tHcy correlated negatively with ApoA-I and HDL cholesterol.
  • High tHcy and high tCys levels were associated with increased risk of CAD.
  • Low HDL cholesterol combined with low or high tHcy increased CAD risk.

Takeaway

This study found that having high homocysteine levels can make your heart sick by lowering good cholesterol.

Methodology

Cross-sectional study measuring plasma homocysteine, cysteine, and lipid markers in coronary angiographic patients.

Potential Biases

Potential bias due to exclusion of patients with certain medical conditions.

Limitations

The study is cross-sectional, which limits causal inferences.

Participant Demographics

2058 patients aged 40 to 85, 61% male, 51% had coronary artery disease.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI (1.26 to 2.05)

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1476-511X-10-137

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