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

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01896674
Recruitment Status : Completed
First Posted : July 11, 2013
Last Update Posted : July 11, 2013
Information provided by (Responsible Party):
Daisuke Utsunomiya, Kumamoto University

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.

Condition or disease
Coronary Artery Disease

Study Type : Observational
Actual Enrollment : 21 participants
Observational Model: Case-Only
Time Perspective: Retrospective
Official Title: 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
Study Start Date : May 2012
Actual Primary Completion Date : January 2013

Resource links provided by the National Library of Medicine

Primary Outcome Measures :
  1. Contrast to noise ratio of coronary arteries [ Time Frame: 6 months ]

Information from the National Library of Medicine

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Ages Eligible for Study:   45 Years to 85 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
We enroll consecutive patients.

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)

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Daisuke Utsunomiya, Lecturer, Kumamoto University Identifier: NCT01896674     History of Changes
Other Study ID Numbers: Kuma1478
First Posted: July 11, 2013    Key Record Dates
Last Update Posted: July 11, 2013
Last Verified: July 2013

Keywords provided by Daisuke Utsunomiya, Kumamoto University:
Computed tomography

Additional relevant MeSH terms:
Coronary Artery Disease
Myocardial Ischemia
Coronary Disease
Heart Diseases
Cardiovascular Diseases
Arterial Occlusive Diseases
Vascular Diseases