Outcomes of one-stage versus two-stage total knee arthroplasty for bilateral knee arthritis
Maddali Taraka Venkata Pavan
Sun Jun-ying
Zha Guo-chun
Abstract：BACKGROUND:When patient presents bilateral degenerative knee osteoarthritis, one-stage or two-stage total knee arthroplasty (TKA) remains controversial at present.
<br> OBJECTIVE:To compare the outcomes of one-stage and two-stage bilateral TKA for bilateral knee arthritis. METHODS:Patients with bilateral knee arthritis were treated in the First Affiliated Hospital of Soochow
<br> University in China from January 2005 to December 2008. They were assigned to one-stage group (n=68) and two-stage group (n=71). These patients were subjected to one-stage and two-stage bilateral TKA using Gemini MK II total knee system.
<br> RESULTS AND CONCLUSION:Compared to two-stage group, operation time and length of hospital stage were shorter, mean blood transfusion was larger, and hospital charges were lower in the one-stage group. However, no significant differences in postoperative knee function, complications, and patients’ satisfaction were detected between the one-stage and two-stage groups. No osteolysis was observed surrounding the prosthesis during final fol ow-up. These data confirmed that one-stage bilateral TKA increased the amount of blood transfusion, but could save hospital charges, and reduce the length of hospital stay. Thus, one-stage TKA is a safe effective method to treat bilateral knee arthritis, and deserves application.
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Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：8( 1321-1328 )