Multi-center clinical study on diagnosis of coronary microvascular disease by multimodal ultrasound imaging in China

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100043914

Enrollment

Unknown

Registered

2021-03-05

Start date

2021-06-30

Completion date

Unknown

Last updated

2021-07-12

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

Conditions

Coronary Microvascular Disease

Interventions

Gold Standard:The coronary flow reserve calculated by blood flow/g·minute·unit volume of myocardium by positron emission computed tomography (PET).

Index test:Ultrafast&#32

myocardial&#32

microblood&#32

imaging.

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: The patients who underwent angiography due to suspected coronary heart disease, coronary angiography showed no obvious stenosis of the coronary arteries (<20%)and coronary artery CFR by PET < 2.0.

Exclusion criteria

Exclusion criteria: Variant angina cardiomyopathy, myocarditis, valvular disease, coronary artery spasm, transient thrombosis or acute myocarditis, etc.

Design outcomes

Primary

Measure	Time frame
SEN, SPE, ACC, AUC of ROC;	—

Countries

China

Contacts

Public ContactMa Chunyan

The First Hospital of China Medical University

cmu1h_mcy@126.com+86 13998816448

Outcome results

None listed

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