CHD - Coronary Heart Disease, In-stent Restenosis, Percutaneous Coronary Intervention
Conditions
Brief summary
This study is a prospective, registry trial aimed to compare the clinical and angiographic outcomes of OCT-guided and angiography-guided PCI in patients with coronary DES-ISR.
Interventions
After randomization, subjects receive primary PCI under the guiding of OCT
After randomization, subjects receive primary PCI under the guiding of angiography
Sponsors
Study design
Eligibility
Inclusion criteria
* Age 18 years or older * Patients with angina or evidence of myocardial ischaemia * Patients with restenotic lesions in a previously DES area of a coronary artery * Patients suitable to receive any types of percutaneous coronary intervention (including balloon angioplasty and stent implantation) * The stent diameter of DES-ISR is 2.5mm to 4.0mm * Target lesion length \< 30mm * Target lesion stenosis ≥ 70% diameter stenosis on visual assessment, or ≥ 50% diameter stenosis and with evidence of myocardial ischaemia ischemic
Exclusion criteria
* Patients with acute myocardial infarction with 1 week * Patients with evidence of extensive thrombosis in the target vessel * Patients with left main coronary artery disease * Patients with cardiogenic shock, left ventricular ejection fraction \< 40%,significant renal dysfunction and severe heart valve disease * Patients who had cerebral stroke within 6 months before PCI * Patients with a life expectancy \< 1 year * Patients not able to adhere to follow-up visits
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| In-segment late loss at 9 months follow-up | 9 months |
Secondary
| Measure | Time frame |
|---|---|
| Rate of 9-month binary restenosis | 9 months |
| Number of Participants with target lesion failure (TLF) | 12 months |
| Rates of acute success | 1 month |
| Number of participants with all-cause death | 12 months |
| Rate of myocardial infarction | 12 months |
| Rate of major adverse cardiovascular events | 12 months |
Countries
China