A Randomized Study of Cutting Balloon Catheter for CAD

Exclusion criteria

• ✕. Pregnant or lactating women or women who are planning pregnancy;
• ✕. Subjects with myocardial infarction occurred within one week; the myocardial enzyme TNI or TNT has not returned to normal although myocardial infarction has occurred for more than one week;
• ✕. Subjects who are considered by the investigator through angiography that the cutting balloon cannot pass through even dilatation with a small one and need a rotational atherectomy;
• ✕. Non-target vessels, which can be treated simultaneously with the target blood vessel, have not been treated well in advance, or the total number of lesions on the non-target blood vessel is \> 3;
• ✕. NYHA Class IV patients;
• ✕. Patients with severe renal failure (creatinine \> 443 μmol/L) or ongoing hemodialysis therapy;
• ✕. Heart transplant patients;
• ✕. Patients with graft vessel disease;