Deep-dished highly congruent tibial insert in CR-TKA does not prevent patellar tendon angle increase and patellar anterior translation

Ibrahim Akkawi, Francesca Colle, Danilo Bruni, Giovanni Francesco Raspugli, Simone Bignozzi, Stefano Zaffagnini, Francesco Iacono, Maurilio Marcacci

Research output: Contribution to journalArticle


Purpose: Starting from the hypothesis that a deep-dished highly congruent tibial insert in cruciate-retaining total knee arthroplasty would prevent the increase in patellar tendon angle and anterior patellar translation by reducing the paradoxical anterior femoral translation, the main purpose of the present study was to investigate the effect of this prosthesis design, and secondary to assess the clinical outcomes at 6-month follow-up. Methods: Twenty patients treated with cruciate-retaining total knee arthroplasty with navigation technique were enrolled and prospectively followed up at 6 months. The median value of age was 71 years (57–83). Before and after surgery, the following parameters were calculated: patellar tendon angle, anterior–posterior and medio-lateral patellar translation, patellar height and range of motion. All patients were assessed with the SF-36 Physical Functioning and the Knee injury and Osteoarthritis Outcome Score ADL scores. Results: Patellar tendon angle and anterior patellar translation significantly increased in post-operative conditions (p 

Original languageEnglish
Article number2889
Pages (from-to)1622-1630
Number of pages9
JournalKnee Surgery, Sports Traumatology, Arthroscopy
Issue number6
Publication statusPublished - Feb 12 2014



  • Anterior patellar translation
  • Clinical scores
  • Patellar tendon angle
  • Total knee arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery
  • Medicine(all)

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