• Benhong He, Jianjun Hao, Weiwei Sheng, Yuancai Xiang, Jiemei Zhang, Hao Zhu, Jingcheng Tian, Xu Zhu, and Yunxia Feng.
• Benhong He, Department of Cardiovascular Medicine, Lichuan Hospital of Traditional Chinese Medicine, Hubei University of Chinese Medicine, Lichuan 445418, China.
• Pak J Med Sci. 2014 Sep 1; 30 (5): 863-967.

ObjectiveTo explore the correlation between the plasma renalase level of coronary artery disease (CAD) patients and the degree of coronary artery stenosis.MethodsA total of 180 patients who received coronary angiography in our hospitals from August 2013 to October 2013 were selected as the CAD group, of which 164 were finally diagnosed as CAD. Another 140 healthy subjects were selected as the control group. The plasma renalase levels of the two groups were detected by ELISA to analyze CA-induced changes and to clarify the correlations with the number of branches with coronary artery stenosis and Syntax scores.ResultsThe plasma renalase level of the CAD group was significantly lower than that of the control group (P<0.05). The plasma renalase levels of the multi-branch and two-branch stenosis subgroups were significantly lower than that of the subgroup with normal coronary angiography outcomes (P<0.05), while the levels of the single-branch stenosis and normal subgroups were similar (P>0.05). Besides, the plasma renalase level of the low-risk subgroup was significantly higher than those of the medium-risk and high-risk subgroups (P<0.05), and the level of the medium-risk subgroup was significantly higher than that of the high-risk subgroup (P<0.05). Multivariate Logistic regression analysis showed that renalase level was the risk factor of CAD (OR=1.12, 95%CI: 1.03-3.34).ConclusionPlasma renalase level was correlated with CAD, the changes of which may reflect the degree of coronary artery stenosis. Therefore, plasma renalase level can be used to indicate the progression of CAD.

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