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Application of IMR low voltage scan in normal BMI index CCTA

Low-kV 256-slice coronary CT angiography combined with IMR in patients with normal BMI: A study to compare image quality and radiation dose

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-RRD-17013636
Enrollment
Unknown
Registered
2017-12-01
Start date
2017-12-01
Completion date
Unknown
Last updated
2017-12-11

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

Conditions

Coronary heart disease

Interventions

Three groups:Different tube voltage and Different reconstruction methods

Sponsors

The Third People's Hospital of Chengdu
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) BMI range 20-25kg / m2; (2) Coronary calcium score less than 400.

Exclusion criteria

Exclusion criteria: (1) Iodine contrast agent allergy; (2) Renal insufficiency (serum creatinine> 133umol/L [1.5mg/dL]); (3) Coronary stent implantation; (5) Pregnancy; (6) Heart failure (New York Heart Association cardiac function grade III, IV).

Design outcomes

Primary

MeasureTime frame
CT value;Noise value;Effective radiation dose;subjective image noise;edge sharpness of blood vessels;streak artifacts;overall image quality;The image quality of each segment of the coronary artery;—

Countries

China

Contacts

Public ContactZhengkai Zhao

The Third People's Hospital of Chengdu

zzkdoctor@163.com+86 15881089215

Outcome results

None listed

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