Koichiro Yano
   Department   School of Medicine(Tokyo Women's Medical University Hospital), School of Medicine
   Position   Associate Professor
Article types Original article
Language English
Peer review Peer reviewed
Title Effect on patellar kinematics of the different patellar component designs in total knee arthroplasty: intraoperative measurement of dome type versus anatomic type.
Journal Formal name:European journal of orthopaedic surgery & traumatology : orthopedie traumatologie
Abbreviation:Eur J Orthop Surg Traumatol
ISSN code:16338065/16338065
Domestic / ForeginForegin
Volume, Issue, Page e-pub,pp.e-pub
Author and coauthor Mochizuki Takeshi, Yano Koichiro, Ikari Katsunori, Hiroshima Ryo, Okazaki Ken
Authorship 2nd author
Publication date 2019/10
Summary BACKGROUND:The aim of this study was to identify, during total knee arthroplasty surgery, the effect on patellar kinematics of different patellar component designs in the same patients.METHODS:This study enrolled 84 patients with osteoarthritis. Intraoperative X-rays were used to measure internal rotation angle, flexion angle and lateral tilt were at different knee flexion angles with dome-type or anatomic-type patellar components (ATTUNE®, DePuy).RESULTS:Significant differences from baseline between the two types of components occurred at 120° of the knee flexion in the internal rotation angle, at 90° and 120° of the knee flexion in the flexion angle, and at 60° of the knee flexion in the lateral tilt.CONCLUSION:This study revealed that the difference in patellar component design affects patellar kinematics. Therefore, the difference in patellar component design may affect patellar stability.
DOI 10.1007/s00590-019-02586-1
PMID 31655867