Antero-Posterior Knee Stability
Status: | Completed |
---|---|
Conditions: | Arthritis, Arthritis, Osteoarthritis (OA), Orthopedic |
Therapuetic Areas: | Rheumatology, Orthopedics / Podiatry |
Healthy: | No |
Age Range: | 21 - 80 |
Updated: | 1/3/2018 |
Start Date: | January 2016 |
End Date: | December 2017 |
Antero-Posterior Knee Stability With Medial-Pivot, Cruciate-Substituting, and Posterior-Stabilized Total Knee Arthroplasty: A Retrospective Study
A retrospective one-time evaluation of total knee patients one year or more postoperative, to
compare antero-posterior (AP) stability with the TELOS Stress device/stress x-rays and
clinical outcomes. Multiple implant brand/models will be included in the study.
compare antero-posterior (AP) stability with the TELOS Stress device/stress x-rays and
clinical outcomes. Multiple implant brand/models will be included in the study.
Inclusion Criteria:
- Patients willing to sign the informed consent.
- Patients able to comply with study requirements including stress x-rays and
self-evaluations.
- Male and non-pregnant females ages 21 - 80 years of age at the time of surgery.
- Patients who have undergone a primary total knee replacement, are one year or greater
postoperative, and are not having any evidence of failure of their implants.
- Patients with a diagnosis of osteoarthritis (OA), traumatic arthritis (TA), or
avascular necrosis (AVN).
- Patients with intact collateral ligaments.
- Range of motion within five degrees of full extension and a minimum of 120 degrees of
flexion.
Exclusion Criteria:
- Patients with inflammatory arthritis.
- Patients that are morbidly obese, body mass index (BMI) > 40.
- Patients that have had a high tibial osteotomy or femoral osteotomy.
- Patients with neuromuscular or neurosensory deficiency, which would limit the ability
to assess the performance of the device.
- Patients with a systemic or metabolic disorder leading to progressive bone
deterioration.
- Patients that are immunologically compromised, or receiving chronic steroids (>30
days), excluding inhalers.
- Patients bone stock is compromised by disease or infection, which cannot provide
adequate support and/or fixation to the prosthesis.
- Patients with knee fusion to the affected joint.
- Patients with an active or suspected latent infection in or about the knee joint.
- Patients that are prisoners.
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