coronary heart disease
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who scheduled rotational atherectomy for severe coronary artery calcification lesions, those that satisfied the following criteria was registered. 1. Patient who was over 20 years old at the time of PCI. 2. Patient who planed to use rotational atherectomy during PCI. 3. Patients who have severe coronary artery calcification lesions (radiopaque calcified lesions, calcified lesions of more than 180 degrees in OFDI images, or mineralized lesions protruding into the lumen). 4. Patients who can perform intravascular evaluation by OFDI before and after rotational atherectomy. 5. Patients who was able to obtain good analyzable OFDI images. 6. Patients who wrote informed concent by himself/herself.
Exclusion criteria
Exclusion criteria: 1. Patient with acute coronary syndrome. 2. Patient with cardiogenic shock. 3. Patient with in-stent restenosis. 4. Patient with chronic total obstructive lesion. 5. Patient with graft lesion after coronary artery bypass surgery. 6. Patients judged inappropriate by the doctor in charge of this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Calculation of prediction accuracy (correct and error rate) of Rotational atherectomy based on OFDI images | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Percentage of adverse event occurrence (coronary artery perforation, coronary dissection, peri-procedural myocardial infarction, slow-flow / no-reflow phenomenon, rota burr entrapment) 2. Investigation of factors related to prediction accuracy | — |
Countries
Japan
Contacts
Kobe University graduate school of medicine Department of Cardiology