Atherosclerotic Cardiovascular Disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Percutaneous intervention therapy, with intraoperative use of intravascular imaging equipment (IVUS/OCT) for evaluation assistance; 2. Severe calcification of plaques, IVUS calcification score IV, OCT calcification score 4 points;
Exclusion criteria
Exclusion criteria: 1. No stent placement surgery was applied after plaque modification (including drug coated balloons and plaque modification for previous stent restenosis); 2. The plaque modification process did not involve the use of plaque grinding technique and reached the plaque modification endpoint after the use of the first grinding head; 3. Apply other plaque modification techniques (spinous process balloon, non compliant balloon, cutting balloon)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Calcium Score, MSA, stent expansion rate, angiography complications, 30d MACE; | — |
Secondary
| Measure | Time frame |
|---|---|
| Fluoroscopy time, Contrast volume, Length of stay; | — |
Countries
China
Contacts
The China-Japan Union Hospital of Jilin University