Coronary microvascular disease

For some patients with coronary heart disease, the myocardial ischemia would continue although the epicardial coronary artery stenosis has been relieved or the blood supply has been improved. Likewise, in some patients with angina pectoris, the coronary angiography reveals coronary artery has no obvious stenosis. After emergent percutaneous coronary intervention (PCI), patients’ epicardial coronary stenosis and occlusion has been relieved, while blood occured slow-flow or no-flow phenomenon. All these may be ascribed to the problem of coronary microvasculature. Through the elaborating to the dysfunction, pathogenesis, diagnosis and treatment methods of microcirculatory, to assist clinical doctors diagnose and treat the diseases to reduce misdiagnosis and missed diagnosis. Key words: Coronary artery; Microvasculature; Coronary microvascular disease