Tibial tuberosity transfer, for patellar instability and malalignment: A new technique

Dan Dabby, Moshe Yaniv, Shmuel Dekel*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We describe a new surgical procedure of tibial tubercle transfer for patellar malalignment and instability, aimed at addressing the different reposition components independently. The results of 15 knees (12 patients) which have been followed for over 5 years are presented. Anterior transfer is achieved by using local bone graft. Distal replacement is performed, to obtain normal patellar index. The amount of medial transfer of tuberosity is determined intra-operatively by activation of the extensor mechanism. All operated knees presented with patellofemoral pain, and 73% of knees had recurrent episodes of patellar disclocation. Post-operatively, no recurrence of dislocation occurred. The Lysholm knee score improved from an average of 60 to 85, and the Tegner activity score improved from an average of 3.5 to 6.3. Our suggested method gives the surgeon the possibility to tailor the procedure to the specific abnormality, and check the obtained effect intra- operatively.

Original languageEnglish
Pages (from-to)143-146
Number of pages4
JournalKnee
Volume6
Issue number2
DOIs
StatePublished - 1 Apr 1999
Externally publishedYes

Keywords

  • Distal realignment
  • Patellofemoral joint
  • Tibial tuberosity transfer

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