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Percutaneous lateral ulnar collateral ligament reconstruction.

Jens Dargel1, Klaus Burkhart, Dietmar Pennig

  • 1Clinic for Orthopaedics and Trauma Surgery, University of Cologne, Joseph-Stelzmann Strasse 9, 50924, Cologne, Germany. jens.dargel@uk-koeln.de

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
|May 2, 2012
PubMed
Summary
This summary is machine-generated.

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A new percutaneous lateral ulnar collateral ligament reconstruction preserves elbow muscles and offers stability comparable to open surgery. This muscle-protecting technique provides isometry and restores posterolateral rotatory stability effectively.

Area of Science:

  • Orthopedic Surgery
  • Biomechanics
  • Sports Medicine

Background:

  • Open surgical reconstruction of the lateral ulnar collateral ligament (LUCL) is standard for elbow instability.
  • This traditional method requires muscle dissection, potentially impacting secondary elbow stabilizers.
  • A novel muscle-protecting technique aims to minimize soft tissue disruption.

Purpose of the Study:

  • To introduce and evaluate a new muscle-protecting, percutaneous technique for single-strand LUCL reconstruction.
  • To compare the isometry and primary stability of the percutaneous method against conventional open reconstruction.
  • To test the hypothesis that percutaneous LUCL reconstruction provides isometry and comparable stability to open procedures.

Main Methods:

  • Sixteen human cadaver arms were used to assess intact and LUCL-deficient states.

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  • Open LUCL reconstruction utilized a single-strand palmaris graft with screw fixation.
  • A novel percutaneous technique with identical graft and fixation was compared for posterolateral rotational stability.

    • Main Results:

    • Both open and percutaneous LUCL reconstruction techniques demonstrated isometry across the range of motion.
    • Posterolateral stability was restored to intact levels by both methods.
    • No significant differences in stability or isometry were observed between the open and percutaneous approaches.

    Conclusions:

    • Percutaneous LUCL reconstruction effectively preserves lateral elbow muscles by minimizing dissection.
    • The in vitro study confirms that this technique provides isometry and sufficient posterolateral rotatory stability.
    • This muscle-sparing approach offers a viable alternative to conventional open LUCL reconstruction.