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Intraoperative Sensing Technology to Achieve Balance in Primary Total Knee Arthroplasty

A Review of the Literature

Ghirardelli, Stefano MD1,2; Bala, Abiram MD1; Peretti, Giuseppe MD3; Antonini, Guido MD2; Indelli, Pier F. MD, PhD1

doi: 10.2106/JBJS.RVW.19.00008
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  • » Instability following total knee arthroplasty has been reported as a major cause for early or delayed total knee arthroplasty revision.
  • » Balancing the knee remains an inexact art with no standardized protocol to optimize soft-tissue tension.
  • » The sensing technology reviewed in this article allows surgeons to intraoperatively analyze several parameters, including tibiofemoral rotational alignment, quantitative pressure at peak contact points in the medial and lateral compartments during both total knee arthroplasty trialing and final implant positioning, evaluation of the kinematics of the prosthetic knee, and, finally, correcting soft-tissue imbalance in real time.
  • » This technology has the potential for improved outcomes, reduction in constrained implant utilization, increased patient satisfaction, and lower revision rates.

1Department of Orthopaedic Surgery, Stanford University, Stanford, California

2San Carlo Borromeo Hospital, Milan, Italy

3IRCCS Istituto Ortopedico Galeazzi, Milan, Italy

E-mail address for P.F. Indelli: pindelli@stanford.edu

Investigation performed at Palo Alto Veteran Affairs Health Care System (PAVAHCS), Palo Alto, California

Disclosure: The authors indicated that no external funding was received for any aspect of this work. The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSREV/A512).

Written work prepared by employees of the Federal Government as part of their official duties is, under the United States Copyright Act, a ′work of the United States Government′ for which copyright protection under that Act is not available. As such, copyright protection does not extend to the contributions of employees of the Federal Government prepared as part of their employment.
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