Standing Computed Tomography (SCT) Imaging of the Knee Joint

Osteoarthritis, Knee

This study will help us decide the best way to image the knee for diagnostic purposes: Knee computed tomography vs knee x-ray. The computed tomography will provide a weight bearing 3D view.

This will be an ancillary study to the Multicenter Osteoarthritis Study (MOST) second renewal #201511711). Using a prototype Curve Beam Standing Computed Tomography (SCT) scanner to get a 3 dimensional picture of the knee joint, bilaterally. This scanner by Curve Beam 175 Titus Ave, Suite 300, Warrington, Pennsylvania 18976, has been approved by the Food and Drug Administration (FDA) for ankles and feet. This has been modified to do the scan of the knee but is not yet approved by the FDA for the knees. The proposed ancillary study would add the key benefit of providing more sensitive and accurate identification of prevalent knee osteoarthritis (OA) at baseline and incident knee OA at follow-up than is available with plain radiographs. In addition, it would enable biomechanical modeling of the knee joint on a larger scale than achieved in any prior study, allowing testing of biomechanical hypotheses regarding mechanisms of disease development and progression that have not been possible on this scale previously.

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United States