Coronary heart disease is the most common cause of coronary heart disease.

Coronary heart disease is coronary atherosclerotic heart disease, coronary atherosclerotic heart disease patients with refractory angina pectoris and severe stenosis, etc. need to be placed in the heart stent surgery

treatment.1, refractory angina pectoris

For patients with refractory angina pectoris coronary atherosclerotic heart disease, through standardized conservative treatment has not been effectively relieved, then need to be placed in the heart stent surgery treatment, control the development of

the disease.2, severe stenosisIf the

degree of stenosis in patients with coronary atherosclerotic heart disease reaches more than 75%, easy to cause obvious myocardial ischemia, should be timely used in the heart stent surgery treatment, restore coronary blood flow, relieve symptoms.