Enhancement and Restoring of Low Dose Abdominal CT Images

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-12-31

Study Completion Date

2011-12-31

Brief Summary

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Through the rapid growth of multislice Computer Tomography (CT) imaging, radiation protection has become a major issue in the radiological community. Optimizing CT scanning is a key task when keeping the radiation doses as low as reasonable achievable (the ALARA principle). Post processing filters can improve and restore grainy and noisy low dose CT images by enhancing structure and reducing image noise. In our study of 10 patients, the investigators perform a preliminary evaluation of a novel post processing filter, which does picture element correlations in all three spatial dimensions. By comparing normal dose pictures with unprocessed low-dose pictures and pictures processed with two dimentional (2D) and three dimentional (3D) filters,the investigators will be able to assess the possible clinical value of the 3D filter. This project is collaboration between Buskerud Hospital (BU), Buskerud University College, Norwegian Radiation Protection Authority (NRPA) and Center for Medical Image Science and Visualization (CMIV). The project is part of the PhD of Lars Borgen.

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Detailed Description

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Conditions

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Radiation Protection

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Unenhanced images

Group Type NO_INTERVENTION

No interventions assigned to this group

Enhanced images

Group Type OTHER

Using a 3 dimentional post processing filter

Intervention Type OTHER

Using a 3 dimentional post processing filter

Interventions

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Using a 3 dimentional post processing filter

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Outpatients, Male or female,Age above 60 years, Referred to our department for an abdominal CT with intravenous contrast.

Exclusion Criteria

* Abdominal diameter less than 80cm or larger than 100cm, Gross pancreatic pathology, Gross anatomic anomalies in the investigated region, Intolerance of intravenous contrast

Minimum Eligible Age

60 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes