Coronary Artery Disease
Conditions
Interventions
Test Group:Subjects in the test group will undergo stent implantation for coronary artery ostial lesions assisted by the petal technique.
Control Group:Subjects in the control group will undergo stent implantation using the conventional clinical approach.
Sponsors
The First Affiliated Hospital of Sun Yat-sen University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Age between 18 and 80 years, inclusive, regardless of sex; 2. Primary aortocoronary ostial lesion: Lesion located at the left main coronary artery (LM) or right coronary artery (RCA) ostium; 3. Patients clinically assessed as requiring stent implantation for the target lesion and deemed to need guidance by intravascular ultrasound (IVUS); 4 .Willing to participate in the study and capable of understanding, reading, and signing the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Patients with STEMI within the past 7 days; 2.Patients with in-stent restenosis at the original ostial site; 3.Severely calcified lesions not amenable to successful pre-dilation; 4.Left ventricular ejection fraction (LVEF) < 35%; 5. Renal insufficiency (eGFR < 35 mL/min/1.73m^2); 6.Participation in another drug or device clinical study within the past 6 months; 7.Any other condition considered by the investigator to be unsuitable for participation in this study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Stent Accurate Positioning Success Rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Proximal Stent Protrusion Length;Total Procedure Time;Fluoroscopy Time and Dose;Incidence of Stent Malapposition and Dissection;Late Lumen Loss; | — |
Countries
China
Contacts
Public ContactLong Ming
The First Affiliated Hospital of Sun Yat-sen University
Outcome results
None listed