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

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: July 11, 2013
Last Update Posted: July 12, 2013
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.
Information provided by (Responsible Party):
Daisuke Utsunomiya, Kumamoto University
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.

Coronary Artery Disease

Study Type: Observational
Study Design: 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

Resource links provided by NLM:

Further study details as provided by Daisuke Utsunomiya, Kumamoto University:

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

Enrollment: 21
Study Start Date: May 2012
Primary Completion Date: January 2013 (Final data collection date for primary outcome measure)

Information from the National Library of Medicine

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Ages Eligible for Study:   45 Years to 85 Years   (Adult, Senior)
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)
  Contacts and Locations
No Contacts or Locations Provided
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Daisuke Utsunomiya, Lecturer, Kumamoto University
ClinicalTrials.gov Identifier: NCT01896674     History of Changes
Other Study ID Numbers: Kuma1478
First Submitted: July 8, 2013
First Posted: July 11, 2013
Last Update Posted: July 12, 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