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  1. Article

    Open Access

    Impact of five different medial patellofemoral ligament-reconstruction strategies and three different graft pre-tensioning states on the mean patellofemoral contact pressure: a biomechanical study on human cadaver knees

    The medial patellofemoral ligament (MPFL) is the main stabiliser of the patella and thus mostly reconstructed in the surgical treatment of patellofemoral dislocation. The aims of this study were to gain a bett...

    Daniel Dornacher, Sabine Lippacher, Manfred Nelitz… in Journal of Experimental Orthopaedics (2018)

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  2. No Access

    Article

    Analysis of failure and clinical outcome after unsuccessful medial patellofemoral ligament reconstruction in young patients

    Reconstruction of the medial patellofemoral ligament (MPFL) has become a popular procedure for patients with patellofemoral instability. Nevertheless, complication rates of up to 26 % have been reported. This ...

    Manfred Nelitz, Robert Sean Williams, Sabine Lippacher… in International Orthopaedics (2014)

  3. No Access

    Article

    Measurement of tibial tuberosity–trochlear groove distance: evaluation of inter- and intraobserver correlation dependent on the severity of trochlear dysplasia

    Excessive tibial tuberosity–trochlear groove distance (TT–TG) is considered as one of the major risk factors in patellofemoral instability (PFI). TT–TG characterises the lateralisation of the tibial tuberosity...

    Daniel Dornacher, Heiko Reichel… in Knee Surgery, Sports Traumatology, Arthros… (2014)

  4. No Access

    Article

    Analysis of failed surgery for patellar instability in children with open growth plates

    Many surgical procedures have been proposed to treat recurrent patellar dislocation in children. In recent years, a more tailored approach considering the underlying pathology has been advocated. The aim of th...

    Manfred Nelitz, Michael Theile… in Knee Surgery, Sports Traumatology, Arthros… (2012)

  5. No Access

    Article

    Reliability of radiographic signs for acetabular retroversion

    Acetabular retroversion may contribute to femoroacetabular im**ement and lead to osteoarthritis of the hip. Retroversion has been measured on computed tomography scans. In recent years, assessment of acetabu...

    Thomas Kappe, Tugrul Kocak, Carl Neuerburg, Sabine Lippacher… in International Orthopaedics (2011)

  6. No Access

    Article

    Intraarticular lesions in calcifying tendinitis: incidence and association with the acromion index

    Intraarticular pathologies are a common finding during arthroscopy for rotator cuff lesions. Both rotator cuff tears as well as cartilage lesions have been described as correlating with the acromion index.

    Thomas Kappe, Balkan Cakir, Sabine Lippacher… in Archives of Orthopaedic and Trauma Surgery (2011)