Evaluation of Coronary Imaging Quality and Radiation Dose in Coronary CT Angiography Based on Individualized Iodine Contrast Medium Injection Scheme Based on Fixed Injection Time

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100052218

Enrollment

Unknown

Registered

2021-10-22

Start date

2021-10-08

Completion date

Unknown

Last updated

2022-06-27

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

Conditions

coronary heart disease

Interventions

Group A:Scheme A

Group B:Scheme B

Group C:Scheme C

Group D:Scheme D

Eligibility

Sex/Gender

All

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Clinically suspected coronary heart disease, aged 18-99 years, can complete breathing training, cooperate with breath-holding 10 or more.

Exclusion criteria

Exclusion criteria: 1. Past history of iodine allergy; 2. Patients with severe liver and kidney insufficiency and cardiac insufficiency; 3. Patients with severe atrial fibrillation; 4. Patients who cannot hold their breath for a long time.

Design outcomes

Primary

Measure	Time frame
CT values;Quantative image score;Effective dose;Contrast volume;Injection delivery rate;Peak time;	—

Countries

China

Contacts

Public ContactJin Liang

Huadong Hospital Affiliated to Fudan University

brightdk@126.com+86 13761148449

Outcome results

None listed

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