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Sensor-Assisted Total Knee Arthroplasty: A Narrative Review.

Cheol Hee Park1, Sang Jun Song1

  • 1Department of Orthopaedic Surgery, Kyung Hee University College of Medicine, Seoul, Korea.

Clinics in Orthopedic Surgery
|March 22, 2021
PubMed
Summary

Wireless load sensors improve soft-tissue balancing in total knee arthroplasty (TKA), showing reduced imbalance and better patient outcomes. Further prospective studies are needed to confirm long-term clinical benefits and implant survival.

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Arthroplasty Research

Background:

  • Wireless intraoperative load sensors are increasingly utilized in total knee arthroplasty (TKA) to optimize surgical technique.
  • Existing studies suggest sensor use correlates with reduced gap imbalance and improved early patient-reported outcomes.
  • Low rates of arthrofibrosis have also been observed with sensor-assisted TKA.

Purpose of the Study:

  • To conduct a narrative review of studies employing wireless intraoperative load sensors in TKA.
  • To critically evaluate the advantages, disadvantages, and potential pitfalls of this load-sensing technology.
  • To discuss the future implications and clinical benefits of sensor application in TKA.

Main Methods:

  • A narrative review methodology was employed.
Keywords:
ArthroplastyComputer-assisted surgeryKneeLoadSensor

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  • Previous studies on wireless intraoperative load sensors in TKA were systematically reviewed.
  • Analysis focused on sensor technology, surgical outcomes, and clinical benefits.

    • Main Results:

    • Studies indicate sensor use can reduce gap imbalance during TKA.
    • Early patient-reported outcomes and low arthrofibrosis rates are associated with sensor use.
    • The long-term clinical benefits and impact on prosthesis survival require further investigation through prospective trials.

    Conclusions:

    • Wireless load-sensing technology shows promise for enhancing soft-tissue balancing in TKA.
    • While early results are encouraging, robust prospective studies are essential to validate clinical efficacy and implant longevity.
    • Understanding the nuances of the technology is crucial for successful implementation in TKA.