Stable coronary artery disease Ischemic heart disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients with stable coronary artery disease who are scheduled to undergo percutaneous coronary intervention
Exclusion criteria
Exclusion criteria: 1. Patients with hemodialysis 2. Patients who are inhaled drugs or theophylline products for bronchial asthema 3. Patients with left main trunk lesion or stenosis >50% at the distal to the target lesion 4. Patients with chronic total obstruction 5. Patients with severe heart failure (ejection fraction class 3) 6. Patients with prior coronary artery bypass grafting
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Correlation between delta intensity of blood speckle and fractional flow reserve under basal condition and hyperemia | — |
Secondary
| Measure | Time frame |
|---|---|
| Diagnostic accuracy of delta intensity of blood speckle for fractional flow reserve less than or equal to 0.80 under basal condition and hyperemia | — |
Contacts
Chiba University Hospital