Robotic total knee arthroplasty with a cruciate‐retaining implant: a 10‐year follow‐up study

This study compared clinical and radiological results between robotic total knee arthroplasty (TKA) and conventional TKA with a cruciate-retaining implant at 10-year follow-up. The hypothesis was that robotic TKA would allow for more accurate leg alignment and component placement, and thus enhance c...

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Bibliographic Details
Published in:Clinics in orthopedic surgery Vol. 9; no. 2; pp. 169 - 176
Main Authors: Yang, Hong Yeol, Seon, Jong Keun, Shin, Young Joo, Lim, Hong An, Song, Eun Kyoo
Format: Journal Article
Language:English
Published: Korea (South) The Korean Orthopaedic Association 01.06.2017
대한정형외과학회
Subjects:
Aged
Arthroplasty, Replacement, Knee - methods
Arthroplasty, Replacement, Knee - mortality
Arthroplasty, Replacement, Knee - statistics & numerical data
Female
Humans
Kaplan-Meier Estimate
Male
Middle Aged
Original
Postoperative Complications
Range of Motion, Articular
Retrospective Studies
Robotic Surgical Procedures - methods
Robotic Surgical Procedures - mortality
Robotic Surgical Procedures - statistics & numerical data
Treatment Outcome
정형외과학
Knee
Arthroplasty
Robotics
Conventional
ISSN:2005-291X, 2005-4408, 2005-4408
Online Access:Get full text
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Summary:This study compared clinical and radiological results between robotic total knee arthroplasty (TKA) and conventional TKA with a cruciate-retaining implant at 10-year follow-up. The hypothesis was that robotic TKA would allow for more accurate leg alignment and component placement, and thus enhance clinical and radiological results and long-term survival rates. A total of 113 primary TKAs performed using a cruciate-retaining implant in 102 patients from 2004 to 2007 were reviewed retrospectively. Of the 113 TKAs, 71 were robotic TKAs and 42 were conventional TKAs. Clinical outcomes (visual analogue scale pain score, Hospital for Special Surgery score, Western Ontario and McMaster University score, range of motion, and complications), radiological outcomes, and long-term survival rates were evaluated at a mean follow-up of 10 years. Clinical outcomes and long-term survival rates were similar between the two groups. Regarding the radiological outcomes, the robotic TKA group had significantly fewer postoperative leg alignment outliers (femoral coronal inclination, tibial coronal inclination, femoral sagittal inclination, tibial sagittal inclination, and mechanical axis) and fewer radiolucent lines than the conventional TKA group. Both robotic and conventional TKAs resulted in good clinical outcomes and postoperative leg alignments. Robotic TKA appeared to reduce the incidence of leg alignment outliers and radiolucent lines compared to conventional TKA.
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ISSN:2005-291X
2005-4408
2005-4408
DOI:10.4055/cios.2017.9.2.169