This systematic review compares functional outcomes and complications in bilateral and unilateral total knee arthroplasty, suggesting higher risks with bilateral procedures.
Compared with UTKA, SBTKA is associated with a higher risk of complications and a longer LOS, while functional outcomes, range of motion, and health-related quality of life appear comparable between the two groups. Further high-quality studies are needed to clarify long-term outcomes and guide patient selection.
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Shinwari et al. (2026) studied this question.
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