Knowledge-based Iterative Model Reconstruction at Low-kilovoltage (kV) Cardiac Computed Tomography (CT)

Value of Knowledge-based Iterative Model Reconstruction at Low-kilovoltage Cardiac 256-slice CT: A Comparison of Filtered Back Projection-, Hybrid-, and Iterative Model Reconstruction

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT01896674

Enrollment

Registered

2013-07-11

Start date

2012-05-31

Completion date

Unknown

Last updated

2013-07-11

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

Conditions

Coronary Artery Disease

Keywords

Computed tomography

Brief summary

The purpose of this study was to compare FBP-, hybrid IR-, and IMR techniques to assess their role in the identification of coronary artery disease and abnormalities in cardiac structures.

Interventions

None listed

Study design

Observational model

CASE_ONLY

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

45 Years to 85 Years

Healthy volunteers

Inclusion criteria

* A BMI of 27 kg/m2 or less and a coronary calcium score of less than 1,000 Agatston units.

Exclusion criteria

* BMI exceeded 27 kg/m2 * renal dysfunction (serum creatinine level \> 1.5 mg/dl) * atrial fibrillation * prior coronary artery bypass grafting * heart failure (New York Heart Association class III-IV)

Design outcomes

Primary

Measure	Time frame
Contrast to noise ratio of coronary arteries	6 months

Outcome results