Clinical Outcomes After Simultaneous Bilateral Total Knee Arthroplasty : Comparison to Unilateral Total Knee Arthroplasty and Healthy Controls |
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Authors: | Joseph A Zeni Jr Lynn Snyder-Mackler PT ScD FAPTA |
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Institution: | Department of Physical Therapy, University of Delaware, Newark, Delaware |
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Abstract: | The purpose of this study was to evaluate the functional outcomes of persons who underwent simultaneous bilateral total knee arthroplasty (TKA) compared to subjects who underwent unilateral TKA and a healthy control group. Fifteen subjects who underwent primary bilateral TKA and 15 sex, age, and body mass index-matched subjects who underwent primary unilateral TKA were observed prospectively for 2 years. Subjects in both surgical groups showed significant improvement in Knee Outcome Scores, Short Form 36 physical component scores, Timed Up and Go, and stair-climbing tasks (P ≤ .004). No differences in final outcomes were found between surgical groups. In addition, most 2-year clinical measures were no different between the surgical and control groups. Subjects medically appropriate for bilateral TKA should be afforded this option. |
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Keywords: | bilateral knee arthroplasty outcomes function |
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