Coronary microcirculation is still an unfamiliar term to most patients, but the impact of coronary microcirculation disorders on patients with coronary artery disease has received increasing attention in the cardiovascular field, so what exactly is coronary microcirculation? Today we will give you a brief introduction. What is coronary microcirculation? Modern medical understanding of the vascular system is divided from large vessels into medium and small vessels and microvessels in that order. Coronary microcirculation, simply put, is the circulation of blood in the coronary microvessels. The coronary microcirculation system is composed of coronary microvessels (including micro-arteries (diameter <300μm), capillaries (diameter 5-8μm) and micro-veins (diameter <500μm)), whose role is mainly to regulate myocardial blood perfusion and plays an important role in myocardial blood supply. What are the risks of coronary microcirculation disorders? Medical literature has repeatedly reported that most patients with coronary artery disease have different degrees of coronary microcirculation disorders (coronary microcirculation disorders refer to the microcirculation changes when the microcirculatory system is abnormally affected by one or more adverse factors, mainly manifested as poor blood flow in the microvasculature, blood stagnation, flow pattern changes, etc.). Some scholars also call it coronary microvascular insufficiency). Coronary microcirculation disorders directly affect the occurrence, development, treatment and prognosis of coronary artery disease. It has been suggested that 51% of male and 54% of female patients with coronary artery microcirculation disorders are combined with coronary microcirculation disorders, and this factor is associated with major adverse cardiovascular events. Based on the serious impact of microcirculatory impairment on the prognosis of patients with coronary artery disease, in 2013 the European Society of Cardiology (ESC) redefined stable coronary artery disease to include not only atherosclerotic stenosis of the coronary arteries, but also microvascular impairment and coronary artery spasm resulting in chest symptoms caused by exercise or stress. Meanwhile, impaired coronary microcirculation is an independent risk factor determining the prognosis of acute coronary syndrome (AMI). Detection of coronary microcirculation Coronary microcirculation has such a strong association with cardiovascular events that testing patients for coronary microcirculation is of high clinical significance to view thrombotic risk and predict adverse cardiovascular events. However, coronary microcirculation testing is complex and not easy to perform, so simple, easy to perform, inexpensive and reproducible peripheral microcirculation testing is often chosen clinically for dynamic observation of cardiac function and prognosis in patients with coronary artery disease. As a peripheral microcirculation test, the nailfold microcirculation test has the advantages of being rapid, simple, non-invasive, and easily accepted by patients. Therefore, the nail-fold microcirculation test is helpful in the diagnosis of coronary artery disease and provides an objective indicator for early onset coronary artery disease, especially the cardiac blood stasis evidence type. Improvement of coronary microcirculation disorders by Chinese medicine If you find that you have some problems with coronary microcirculation through coronary microcirculation monitoring, you can combine Chinese medicine treatment with the scientific use of Western medicine. Many domestic TCM scholars have conducted a lot of basic and clinical studies on coronary microcirculation with TCM and found that TCM can effectively improve coronary microcirculation disorders. Compared with western medicine, TCM treatment has the advantages of multi-level, multi-target and individualized treatment, and it is easier to play the role of restoring the balance of yin and yang to the body.