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Sensor-guided Technology Helps to Reproduce Medial Pivot Kinematics in Total Knee Arthroplasty by Andrea Cochetti; Stefano Ghirardelli; Ferdinando Iannotti; Piero Giardini; Salvatore Risitano; Pier Francesco Indelli is a Medicine article available to read on EtoBox.

What is Sensor-guided Technology Helps to Reproduce Medial Pivot Kinematics in Total Knee Arthroplasty about?

Achieving a well-balanced total knee arthroplasty (TKA) is a difficult task, but the use of real-time sensing technology could provide intraoperative dynamic feedback regarding stability and load. This study compared intraoperative data and clinical outcomes between two cohorts, where one cohort had a sensor-guided medial pivot TKA performed. ## Methods: Two cohorts of 50 patients each were preoperatively matched to receive the same TKA, having a J-curve femoral design with an adapted “medially congruent” polyethylene insert; the second cohort (group B) underwent the intraoperative sensor-check. Intraoperative sensor data were recorded as tibiofemoral load at 10°, 45°, and 90°. We considered stable knees those with a pressure <50 lbs on the medial compartment, <35 lbs on the lateral, and a mediolateral inter-compartmental difference 40 lbs. Surgical time was 8 min longer in the sensor group. ## Conclusion: The use of this sensing technology did not improve the clinical outcome but supported multiple intraoperative decisions aimed to better reproduce the medial pivot kinematic of the normal knee.

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Author

Andrea Cochetti; Stefano Ghirardelli; Ferdinando Iannotti; Piero Giardini; Salvatore Risitano; Pier Francesco Indelli

Publisher

SAGE Publications; SAGE Publications Inc. (ISSN 1022-5536)

Published

2020

Language

EN

Field

Medicine (Health Sciences)