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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