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Functional Diagnostic Accuracy of Ultrasonic Flow Ratio in Assessment of Left Main Coronary Artery Stenosis

Functional Diagnostic Accuracy of Ultrasonic Flow Ratio in Assessment of Left Main Coronary Artery Stenosis

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300074181
Enrollment
Unknown
Registered
2023-08-01
Start date
2023-08-01
Completion date
Unknown
Last updated
2023-08-07

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

Conditions

Left main coronary disease

Interventions

Gold Standard:Fractional flow reserve (FFR)
Index test:Ultrasonic flow ratio (UFR)

Sponsors

FuWai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) Stable angina pectoris, unstable angina pectoris, or after the acute phase of myocardial infarction (2) Age >18 years (3) Written informed consent (4) Intermediated LM lesions (diameter stenosis of 30%-80% by visual estimation

Exclusion criteria

Exclusion criteria: (1) Ineligible for diagnostic IVUS or FFR examination (2) Prior coronary artery bypass grafting of the interrogated vessels (3) Myocardial infarction within 72 h of coronary angiography (4) Severe heart failure (5) A serum creatinine level >150 umol/l, or a glomerular filtration rate 50%)

Design outcomes

Primary

MeasureTime frame
Diagnostic accuracy;—

Secondary

MeasureTime frame
Sensitivity;Specificity ;—

Countries

China

Contacts

Public ContactJie Qian

FuWai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College

qianjfw@163.com+86 136 0139 6650

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026