- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05277883
Influence of Knee Alignment and Pelvis Rotation on Accuracy of Radiograph Measurements Before Total Knee Arthroplasty
The Influence of Lower Extremity and Pelvic Alignment on Accuracy of Hip-Knee-Ankle Radiograph Measurements Before Total Knee Arthroplasty
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Long leg standing x-ray is a routine examination to measure the femoral valgus angle before a total knee arthroplasty. Newer studies have shown that coronal leg alignment influences the rotation of the distal femoral part. This rotation might influence the measurements obtained with a long leg standing x-ray.
The primary purpose of this study is to determine whether there is a significant difference between 2D measurements taken on the x-ray and 3D measurements obtained with a CT scan.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Igor Strahovnik
- Phone Number: +38631423369
- Email: istrah@gmail.com
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
Knee osteoarthritis scheduled for knee arthroplasty
Exclusion Criteria:
- previous leg deformities or surgery that changes alignment
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Group
All patients scheduled for a total knee arthroplasty without any previous lower limb deformities or previous hip/knee surgery will be enrolled.
A long leg standing x-ray and a CT scan of the lower limb will be obtained for every patient.
|
CT of the lower limb
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The angle difference between an x-ray and a CT scan
Time Frame: Before surgery
|
The femoral valgus angle, femoral mechanical angle, tibial mechanical angle and hip knee ankle angle are measured separately on the x-ray and on the CT scan.
The difference in individual angle is the calculated.
|
Before surgery
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Andrej Strahovnik, Valdoltra Orthopaedic Hospital
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Valdoltra - x-ray accuracy
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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