Anatomical double-bundle MPFL reconstruction with an aperture fixation.

Area of Science:

• Orthopedic Surgery
• Biomechanics
• Sports Medicine

Background:

• The medial patellofemoral ligament (MPFL) is crucial for stabilizing the patella against lateral displacement.
• MPFL reconstruction is a common surgical approach to restore patellofemoral joint stability.
• Existing techniques vary, with ongoing research into optimal methods for stability and rehabilitation.

Purpose of the Study:

• To describe a novel anatomical double-bundle MPFL reconstruction technique.
• To introduce an aperture fixation method at the patellar insertion for dual bundles.
• To evaluate the potential for enhanced immediate stability and early rehabilitation.

Main Methods:

• Anatomical double-bundle reconstruction of the MPFL, focusing on the "sail-like" structure.
• Development and application of a specific aperture fixation technique at the patellar insertion site.
• Biomechanical principles guiding the surgical approach for rotational control and stability.

Main Results:

• The described technique achieves stability in complete extension and low flexion degrees.
• It effectively prevents patellar rotation, ensuring stability throughout the range of motion.
• The aperture fixation method provides immediate stability, facilitating early mobilization.

Conclusions:

• Anatomical double-bundle MPFL reconstruction is a viable method for restoring patellofemoral stability.
• The novel aperture fixation technique offers immediate stability, allowing for accelerated rehabilitation protocols.
• This approach addresses limitations of previous techniques by providing robust fixation at the patellar insertion.