Kinematics of bicruciate stabilized and cruciate retaining total knee arthroplasty.

Content Provider	Europe PMC
Author	Ishibashi, Teruya Yamazaki, Takaharu Konda, Shoji Tamaki, Masashi Sugamoto, Kazuomi Tomita, Tetsuya
Abstract	AbstractFew studies have been reported about kinematic comparison between bicruciate stabilized and cruciate retaining total knee arthroplasty with the same anatomical surface geometry. The aim of this study was to demonstrate the in vivo kinematics and postoperative patient‐reported outcomes of these two surgeries with the same anatomical surface geometry. We analyzed 17 bicruciate stabilized and 18 cruciate retaining total knee arthroplasties using single‐plane fluoroscopic surveillance with two‐ to three‐dimensional registration techniques during squatting from minimum to maximum flexion. Flexion angle, femoral external rotation, anteroposterior position of the medial and lateral sides, and postoperative 2011 Knee Society Scores were analyzed. Maximum flexion angles were larger for bicruciate stabilized than for cruciate retaining total knee arthroplasties. There was no significant difference in femoral external rotation between the two types. The medial and lateral femoral condyles in bicruciate stabilized type translated more posteriorly during deeper flexion and at maximum flexion angle, respectively, than those in cruciate retaining total knee arthroplasty. Both groups revealed medial pivots in early flexion, but during deep flexion, bicruciate stabilized total knee arthroplasty revealed bicondylar roll‐back and cruciate retaining total knee arthroplasty revealed paradoxical anterior motion. Both groups exhibited similar results in postoperative 2011 Knee Society Scores. Bicruciate stabilized and cruciate retaining total knee arthroplasties with the same anatomical articular surfaces demonstrated different kinematics patterns during squatting. However, there were no significant differences in postoperative 2011 Knee Society Scores between the two types of surgery.
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Page Count	8
ISSN	07360266
Journal	Journal of Orthopaedic Research [J Orthop Res]
Volume Number	40
DOI	10.1002/jor.25186
PubMed Central reference number	PMC9293164
Issue Number	7
PubMed reference number	34652031
e-ISSN	1554527X
Language	English
Publisher	John Wiley and Sons Inc.
Publisher Date	2021-10-15
Publisher Place	Hoboken
Access Restriction	Open
Rights License	This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. © 2021 Orthopaedic Research Society. Published by Wiley Periodicals LLC
Subject Keyword	bicruciate stabilized cruciate retaining kinematics total knee arthroplasty
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine