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Grassi, Alberto; Pizza, Nicola; Lopomo, Nicola Francesco; Marcacci, Maurilio; Capozzi, Michele; Marcheggiani Muccioli, Giulio Maria; Colle, Francesca; Zaffagnini, Stefano

No differences in knee kinematics between active and passive flexion-extension movement: an intra-operative kinematic analysis performed during total knee arthroplasty

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  • Medientyp: E-Artikel
  • Titel: No differences in knee kinematics between active and passive flexion-extension movement: an intra-operative kinematic analysis performed during total knee arthroplasty
  • Beteiligte: Grassi, Alberto; Pizza, Nicola; Lopomo, Nicola Francesco; Marcacci, Maurilio; Capozzi, Michele; Marcheggiani Muccioli, Giulio Maria; Colle, Francesca; Zaffagnini, Stefano
  • Erschienen: Wiley, 2020
  • Erschienen in: Journal of Experimental Orthopaedics
  • Sprache: Englisch
  • DOI: 10.1186/s40634-020-00229-7
  • ISSN: 2197-1153
  • Schlagwörter: Orthopedics and Sports Medicine
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title><jats:sec> <jats:title>Purpose</jats:title> <jats:p>The objective of the present study was to acquire and compare by the use of a navigation system the intra-operative flexion-extension movement of the knee performed actively by the patient and passively by the surgeon before and after a total knee arthroplasty (TKA) implantation.</jats:p> </jats:sec><jats:sec> <jats:title>Methods</jats:title> <jats:p>A cohort of 31 patients with primary knee osteoarthritis (OA), candidate for TKA underwent intra-operative kinematics assessment with a commercial navigation system before and after the definitive implant positioning of a Cruciate Retaining (CR) Mobile Bearing (MB) prostheses. The kinematical data were acquired while surgeon performed the flexion-extension movement (passive ROM - pROM), and while the patient performed it (active ROM - aROM). Differences between pre- and post- implantation and between active and passive motions, were statistically analyzed using paired Student t-tests (<jats:italic>p</jats:italic> = 0.05).</jats:p> </jats:sec><jats:sec> <jats:title>Results</jats:title> <jats:p>No statistically significant difference were found between aROM and pROM with paired Student t-test regarding internal-external rotation and anterior-posterior translation of the femoral component with respect to the tibia during flexion-extension movement before and after TKA implant (<jats:italic>p</jats:italic> &gt; 0.05).</jats:p> </jats:sec><jats:sec> <jats:title>Conclusions</jats:title> <jats:p>Active muscle contraction seems to not significantly affect TKA kinematics. The ROM performed by the surgeon during operation resemble the movement actively performed by the patient.</jats:p> <jats:p>The clinical relevance of this study further supports the use of CAS system in performing intra-operative analysis concerning knee biomechanics.</jats:p> </jats:sec>
  • Zugangsstatus: Freier Zugang