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Assessment of Fractional Flow Reserve by Intravascular Ultrasound

Assessment of Fractional Flow Reserve Using Intraluminal Blood Speckle Observed by Integrated-Backscatter Intravascular Ultrasound - Assessment of Fractional Flow Reserve Using Intraluminal Blood Speckle Observed by Integrated-Backscatter Intravascular Ultrasound

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs032180330
Enrollment
31
Registered
2019-03-18
Start date
2017-04-17
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stable coronary artery disease Ischemic heart disease

Interventions

Anatomical assessment and measuring intensity of blood speckle using intravascular ultrasound, and physiological assessment during percutaneous coronary intervention

Sponsors

Kitahara Hideki
Lead Sponsor

Eligibility

Sex/Gender
All

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

MeasureTime frame
Correlation between delta intensity of blood speckle and fractional flow reserve under basal condition and hyperemia

Secondary

MeasureTime 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

Public ContactHideki Kitahara

Chiba University Hospital

hkitahara@chiba-u.jp+81-43-222-7171

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026