Critical Treatment of Coronary Artery Disease

Inclusion criteria

Volunteered to participate in this study and signed an informed consent form;

Men or non-pregnant women ≥ 18 and ≤80 years of age;

Lesion is located in a coronary artery and stenosis is between 50-75%;

Exclusion criteria

Severe liver and kidney diseases (GFR<60 ml/min/1.73m2 or CTP≥6 score);

Moderate to severe hypertension (after standard antihypertensive therapy, blood pressure higher than 160/100mmHg);

Patients with hemodynamic or electrical instability (including shock);

Coagulation disorders associated with significant bleeding tendency (eg, hypersensitivity, active bleeding, moderate or severe liver disease, GI bleed within the past 6 months, major surgery within 30 days);

Patients with ischemic stroke within one week;

Any contraindication against the use of anti-platelet drugs such as aspirin;

Platelet count less than 100 x 109/L, haemoglobin (Hb) level less than 100 g/L;

Researchers involved in the study and / or immediate family members;

Participation in another investigation drug or device study in the past 30 days before enrollment;

Involvement in the planning and conduct of the study (applies to staffs at study sites);

Suffering from serious arrhythmias include recurrent ventricular tachycardia or ventricular fibrillation;

Pregnancy or lactation or females of child-bearing potential with the plan of pregnancy in one year;