This study is a prospective, departmental funded study examining the outcomes of Low Dose CT scans compared to Conventional Dose CT scans in patients who present to Duke University with a Distal Radius Fracture.
The purpose of this study is to compare the use of a conventional dose computed tomography scan (C-CT) to a low dose computed tomography scan (L-CT) in the assessment of articular displacement, and development of a treatment plan for intraarticular distal radius fractures in an effort to reduce the radiation exposure to future patients with this injury pattern. Reviewers will be tasked with reporting data aimed at investigating 3 primary outcome measures: 1) Are L-CT images of sufficient quality to be used for diagnostic purposes, 2) Can accurate measurements of step and gap displacement be made on L-CT images, 3) Do proposed treatment plans change with the use of L-CT relative to those chosen based on C-CT images We hypothesize that reviewers will find L-CT images of sufficient image quality for diagnostic purposes, measurements of step and gap displacement will not be significantly different between L-CT and C-CT, and no significant differences in treatment options will be chosen based on the use of L-CT rather than C-CT for the same fracture. The secondary aim will be to evaluate the interobserver and intraobserver reliability of L-CT in evaluating intraarticular fractures of the distal radius.
Study Type
OBSERVATIONAL
Enrollment
17
A low dose CT scan will be obtained in patients with a distal radius fracture of the wrist.
Duke University Medical Center
Durham, North Carolina, United States
Low Dose CT Images of Sufficient Diagnostic Quality
Low Dose CT Images will be compared to a standard dose to assess image quality.
Time frame: 12 months.
Step Displacement
Representative CT images will be used to measure the step displacement of each fracture.
Time frame: 12 months
Gap Displacement
Representative CT images will be used to measure the gap displacement of each fracture.
Time frame: 12 months
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