Surgical accuracy of image-free versus image-based robotic-assisted total knee arthroplasty.
joints
orthopaedic
robotic assisted surgery
total knee arthroplasty
Journal
The international journal of medical robotics + computer assisted surgery : MRCAS
ISSN: 1478-596X
Titre abrégé: Int J Med Robot
Pays: England
ID NLM: 101250764
Informations de publication
Date de publication:
06 Sep 2023
06 Sep 2023
Historique:
revised:
11
08
2023
received:
11
06
2023
accepted:
28
08
2023
medline:
6
9
2023
pubmed:
6
9
2023
entrez:
6
9
2023
Statut:
aheadofprint
Résumé
This study investigated the accuracy in achieving proper lower limb alignment and component positions after total knee replacement (TKR) with image-free and image-based robotic-assisted TKR. A total of 129 patients (166 knees) suffering from end-stage knee arthritis who underwent TKA operated by robotic-assisted surgery between the years 2018 and mid-2021 were recruited. Radiological outcomes were compared between image-free and image-based robotic-assisted surgical systems. There were significant differences between the two robotic systems when comparing the mean planned component alignment and the mean measured alignment on radiographs, in which the image-free robotic-assisted system was more varus, whereas the image-based robotic-assisted system was more valgus for both the mean femoral and tibial component coronal alignment (p < 0.001). For tibial component sagittal alignment, the image-based group had a larger deviation from the planned posterior slope (p < 0.001). Image-free and image-based robotic assisted TKR had differing accuracy in femoral and tibial alignment.
Sections du résumé
BACKGROUND
BACKGROUND
This study investigated the accuracy in achieving proper lower limb alignment and component positions after total knee replacement (TKR) with image-free and image-based robotic-assisted TKR.
METHODS
METHODS
A total of 129 patients (166 knees) suffering from end-stage knee arthritis who underwent TKA operated by robotic-assisted surgery between the years 2018 and mid-2021 were recruited. Radiological outcomes were compared between image-free and image-based robotic-assisted surgical systems.
RESULTS
RESULTS
There were significant differences between the two robotic systems when comparing the mean planned component alignment and the mean measured alignment on radiographs, in which the image-free robotic-assisted system was more varus, whereas the image-based robotic-assisted system was more valgus for both the mean femoral and tibial component coronal alignment (p < 0.001). For tibial component sagittal alignment, the image-based group had a larger deviation from the planned posterior slope (p < 0.001).
CONCLUSION
CONCLUSIONS
Image-free and image-based robotic assisted TKR had differing accuracy in femoral and tibial alignment.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2574Informations de copyright
© 2023 The Authors. The International Journal of Medical Robotics and Computer Assisted Surgery published by John Wiley & Sons Ltd.
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