Surgical treatment of patellar instability: clinical and radiological outcome after medial patellofemoral ligament reconstruction and tibial tuberosity medialisation

Archives of Orthopaedic and Trauma Surgery
Stefan LobnerArne J Venjakob

Abstract

The aim of this retrospective study was to analyse clinical and radiological outcome after medial patellofemoral ligament reconstruction (MPFLR) and tibial tuberosity medialisation (TTM) in patients with recurrent patellar instability. Thirty-five patients were included between 2008 and 2012. According to defined criteria such as tibial tuberosity-trochlear groove (TTTG) distance, hyperpression on the lateral patella facet and lateral retropatellar cartilage damage either MPFLR (group A) or TTM (group B) was performed: 18 patients underwent TTM, the other 17 patients underwent MPFLR. At a mean of 25.4 ± 9.7 (group A) and 35.2 ± 17.6 months (group B) patients were clinically and radiologically reviewed. Validated knee scores such as Kujala, Lysholm and Tegner score were evaluated. In both groups one patient reported of a non-traumatic patellar redislocation. Patients who underwent MPFLR (group A) had less pain postoperatively during activity according to the Visual Analogue Scale (group A: 2.0 ± 2.1 points, group B: 3.9 ± 2.3 points). Retropatellar cartilage damage increased in group B from grade 1 (range: 1-3) preoperatively to grade 2 (range 1-3) postoperatively (p > 0.05). All other clinically evaluated items, as well as the ...Continue Reading

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Citations

Mar 4, 2018·Skeletal Radiology·William R WalterChristopher J Burke
Jul 12, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Giulio Maria Marcheggiani MuccioliStefano Zaffagnini
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May 9, 2021·The Surgeon : Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland·Filippo MiglioriniNicola Maffulli

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