ReviewZhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery2026
[Research progress on tracker fixation strategies and related complications in robot-assisted total knee arthroplasty].
Review in Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To review the primary tracker fixation strategies and associated complications in robot-assisted total knee arthroplasty (RA-TKA), evaluate their respective advantages, limitations, and clinical outcomes, and provide evidence-based references for clinical practice. Methods: A comprehensive review of the current literature regarding tracker fixation techniques and related complications in RA-TKA was conducted. The analysis primarily focused on key procedural variables, including the depth of pin penetration (unicortical versus bicortical) and the insertion trajectory (intra-incisional versus independent/percutaneous incision). Results: Current research predominantly centers on two parameters: the number of cortices penetrated by the fixation pins and the spatial relationship between the pin insertion site and the primary surgical approach. Existing evidence indicates that unicortical fixation at the medial epicondylar region of the femur, combined with an independent, small-incision unicortical fixation on the tibial side, yields superior mechanical stability, minimizes intraoperative tracker micro-motion, and demonstrates an excellent safety profile. The overall incidence of tracker-related complications remains low; these primarily include localized pain, soft tissue irritation, pin-tract infections, and, rarely, iatrogenic fractures. The majority of these complications have favorable prognoses. Conclusion: A standardized clinical consensus on tracker fixation protocols in RA-TKA has yet to be established. In clinical practice, surgeons should employ individualized fixation strategies tailored to the patient's bone quality, local anatomy, and surgical expertise. Prioritizing minimally invasive, highly stable, and low-risk fixation options is crucial to mitigating iatrogenic injury without compromising surgical precision.
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