Perioperative comparison of blood loss and complications between simultaneous bilateral and unilateral total knee arthroplasty for knee osteoarthritis

This study demonstrates that the rate of complication between SBTKA and UTKA is similar. The total drainage and transfusion of SBTKA are not twice that of UTKA, and after treatment, hemoglobin could be increased to a similar level. Thus, SBTKA is an effective and safe option.