Publication: Patient-specific instrumentation in total knee arthroplasty
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Date
2019-06-10
Authors
López López, Mirian ; León Muñoz, Vicente Jesús ; Martínez Martínez, Francisco ; Santonja Medina, Fernando
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Publisher
Taylor and Francis Group, Taylor and Francis
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DOI
https://doi.org/10.1080/17434440.2019.1627197
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info:eu-repo/semantics/article
Description
© 2019 Informa UK Limited, trading as Taylor & Francis Group. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. This document is the Accepted version of a Published Work that appeared in final form in Expert Review of Medical Devices. To access the final edited and published work see https://doi.org/10.1080/17434440.2019.1627197
Abstract
Introduction: Total knee arthroplasty (TKA) is one of the most commonly performed orthopedic procedures. During the past decade, patient-specific instrumentation (PSI) has been commercially introduced in order to simplify and make TKA surgery more effective, precise and efficient than conventional mechanical instrumentation (CI) and computer-assisted surgery (CAS). Nevertheless, there are critical arguments against PSI for routine use. The aim of the current manuscript is to describe advantages and limitations of PSI for primary TKA. Areas covered: By means of a description of the available literature different aspects are discussed (accuracy, clinical and functional outcomes, operative time, blood loss, efficiency and costs). Expert opinion: Most publications do not claim a significant increase in PSI accuracy over CI, but they also do not postulate PSIs accuracy is worse either. Regarding clinical aspects, PSI did not appear to give any advantage over standard techniques although, equally, it did not appear to show any disadvantages. PSI seems to reduce operative time, could reduce perioperative blood loss and provides logistical benefits in the operation room. Further studies will be required to more thoroughly assess all the advantages and disadvantages of this promising technology as an alternative to CI and CAS.
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Citation
Expert Review of Medical Devices, 16(7), 555–567
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