None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Adult patients aged over 18 years; 2. The previous stent implanted in coronary artery was drug-eluting stent; 3. Coronary angiography showed intracavinal restenosis of the stent (visually assessed diameter stenosis >=70%, or diameter stenosis =50% with ischemia symptoms); 4. Suitable for and receive medical balloon angioplasty or/and laser coronary angioplasty; 5. Sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Stenosis of ISR outside the stent; 2. Acute myocardial infarction; 3. Ejection fraction < 30%; 4. Patients with gastrointestinal bleeding or bleeding tendency within the last 3 months; 5. Severe systemic diseases (including severe kidney and liver insufficiency); 6. Patients allergic to contrast media; 7. Patients with antiplatelet drug resistance; 8. Patients with a life expectancy of less than 1 year.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Target lesion failure; | — |
Secondary
| Measure | Time frame |
|---|---|
| Immediate lumen acquisition;In stent minimal lumen area in the immediate postoperative period;Residual stenosis rate;Recurrent restenosis rate;Angina symptoms;Major adverse cardiovascular events (MACE); | — |
Countries
China
Contacts
The Sixth Medical Center of PLA General Hospital