coronary artery disease
Conditions
Interventions
trail group:rotational artherectomy combined with cutting balloon
control group:rotational artherectomy
Sponsors
Chinese PLA General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. consecutive patients age between 18 years and90 years; 2. the stenosis of target lesions is more than 50% evaluated by coronary angiography; 3. the target lesions are severely calcified one evaluated by intravascular ultrasound (superfical calcification andthe calcified arc is more than 180 degree).
Exclusion criteria
Exclusion criteria: 1. target lesion is in-stent restenosis; 2. the target lesion is in vein grafts; 3. the target lesion with obvious dissection before predilatation; 4. the target lesion with extremely tortuous angle; 5. patients with serious arrthymia caused unstable haemodynamic; 6. patients with serious infection; 7. patients with tumor andlife expentancy is less than 2 years; 8. patients with active bleeding; 9. patients with serious renal insufficiency.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| minimum stent area;acute lumen gain after stent;major cardiac event at 1 year;major cardiac event at 2 year; | — |
Countries
China
Contacts
Public ContactYu Wang
Outcome results
None listed