Diagnostic value of high concentration contrast agent CTA combined with FFR in patients with coronary stenosis

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100043998

Enrollment

Unknown

Registered

2021-03-06

Start date

2021-03-01

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 heart disease

Interventions

A:Use conventional concentration contrast agents

B:Use high concentration contrast agents

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients with clinically suspected or known coronary heart disease and planned to undergo coronary CTA; (2) Aged >= 18 years.

Exclusion criteria

Exclusion criteria: (1) Old myocardial infarction; (2) Severe decrease of left ventricular function (ejection fraction <= 30%); (3) Previous coronary artery bypass surgery; (4) Previous coronary stent implantation; (5) Left ventricular hypertrophy; (6) Coronary artery stenosis; (7) Iodine contrast agent allergy; (8) Complicated with other serious diseases.

Design outcomes

Primary

Measure	Time frame
image quality;diagnostic efficiency;radiation dosage;	—

Countries

China

Contacts

Public ContactZhiqi Yang

Meizhou People's Hospital

y13643090854@163.com+86 13643090854

Outcome results

None listed

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