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

This study has been completed.
Information provided by (Responsible Party):
Daisuke Utsunomiya, Kumamoto University Identifier:
First received: July 8, 2013
Last updated: July 10, 2013
Last verified: July 2013
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 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)

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
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No Contacts or Locations Provided
  More Information

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
Study First Received: July 8, 2013
Last Updated: July 10, 2013

Keywords provided by Kumamoto University:
Computed tomography

Additional relevant MeSH terms:
Coronary Artery Disease
Myocardial Ischemia
Coronary Disease
Heart Diseases
Cardiovascular Diseases
Arterial Occlusive Diseases
Vascular Diseases processed this record on May 23, 2017