A comparison of x-ray imaging and low-dose computed tomography (CT) scans for ankle imaging following surgery (total ankle replacements -TARs).

Not Applicable

Recruiting

Conditions: Total ankle replacements
Osteoarthritis
Surgery - Other surgery
Musculoskeletal - Osteoarthritis

Registration Number: ACTRN12624000724572

Lead Sponsor: The University of Auckland

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Recruiting

Sex: All

Target Recruitment: 30

Inclusion Criteria

All patients undergoing a total ankle replacement surgery at Mercy Hospital Dunedin (New Zealand) or Te Whata Ora Southern between the 29th of July 2024 and the 2nd of April 2025. This is the timeframe of the study. All patients having a TAR during this time will have the opportunity to participate in the study. Patients must be 18 years or older. Patients must be able and willing to give informed consent.

Exclusion Criteria

Pregnant women will be excluded from the study due to radiation dose concerns. However, this is unlikely as most patients expect to be past child-bearing age. Patients who are unable/unwilling to give consent. Patients who have been exposed to a large amount of radiation previously.

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Compare the radiation dose of a two-view ankle x-ray imaging and a low-dose ankle CT scan.[Our study will implement an innovative approach to calculate tissue weighting factors for CT and X-rays of the ankle using Excel. 6 weeks following surgery (baseline)];To compare low-dose ankle CT scans to ankle X-ray imaging as a baseline imaging modality to assess postoperative complications of a TAR six weeks post-surgery[CT and X-ray ankle imaging 6 weeks following surgery (baseline)];Compare low-dose ankle CT scans to ankle X-ray imaging as a baseline imaging modality to assess the alignment of a TAR six weeks following a TAR.<br><br><br>[CT and X-ray ankle imaging 6 weeks following surgery (baseline)]

Secondary Outcome Measures