Arthroplasties, Knee Replacement Clinical Trial
Official title:
Impact of Component Design and Fixation in Bone Remodeling After Total Knee Arthroplasty
The purpose of this study is to determine implant design and determine if method of fixation cemented versus cementless results in different bone loss patterns. The investigators also want to determine if clinical outcomes correlate with bone density changes.
Patients who present to the clinical practices of Dr. Ryan Nunley and Dr. Robert Barrack and are suitable candidates for primary total knee arthroplasty(TKA) type assigned either cemented or cementless and Triathlon knee or Depuy by surgeon will be screened for eligibility and invited to participate. Data collected for the study will include standard of care clinical and radiographic evaluations collected during office visits and surgery, Dual Energy X-Ray Absorptiometry(DEXA) Bone density monitoring, as well as study-specific patient questionnaires. Clinical, radiographic and questionnaire data will be collected pre-operatively, at the time of surgery, and at 6 weeks, 1 year and beyond, and 2 years and beyond post-operatively. Patients will complete the following outcomes questionnaires preoperatively: New Knee Society Score, Oxford Knee Score, UCLA Activity Score, SF-12, and EQ-5D. The following questionnaires will be collected at four to six weeks, six months, one year and beyond, and two years and beyond postoperatively: New Knee Society Score, Forgotten Joint Score, Washington University Knee Satisfaction and Function Questionnaire, Oxford Knee Score, UCLA Activity Score, SF-12, and EQ-5D, and a Pain Drawing. ;
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