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Abstract #4884

Myocardial first-pass perfusion assessed by cardiac magnetic resonance and neutrophil to lymphocyte ratio in patients with cardiac syndrome X

Gang zhang1, Wei Xing1, Tingting Li2, Yan Zheng1, Ying Huang3, Junjing He1, and Xiuzheng Yue4
1Department of Magnetic Resonance, The First Affiliated Hospital of Henan University of CM, Zhengzhou, China, 2Department of Magnetic Resonance, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China, 3The First Affiliated Hospital of Henan University of CM, Zhengzhou, China, 4Philips Healthcare, Zhengzhou, China

Synopsis

Cardiac syndrome X (CSX) is also known as microvascular angina pectoral, the pathogenesis of which has not been clearly determined [1]. A coronary angiography study [2] showed that neutrophil to lymphocyte ratio (NLR), as a marker of inflammatory response in a variety of cardiovascular diseases, was elevated in CSX patients. The NLR of CSX patients with impaired myocardial perfusion was higher than that of patients without it, such as unstable angina pectoris (UAP) patients. In this study, we found that the distribution of myocardial first-pass perfusion was heterogeneous in each segment of CSX patients in the resting stage, better than that of UAP patients. The correlation between perfusion parameters and NLR was high and significant.

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