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Labral reconstruction with polyurethane implant.

Marc Tey-Pons1,2,3, Bruno Capurro1,3,4, Raúl Torres-Eguia3,5

  • 1Department of Orthopaedic Surgery and Traumatology, Hospital del Mar, Barcelona 08003, Spain.

Journal of Hip Preservation Surgery
|June 28, 2021
PubMed
Summary
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Synthetic polyurethane scaffolds show promise for hip labral repair, improving function and reducing pain in patients with irreparable labral damage. This initial study indicates scaffold preservation and no osteoarthritis progression at 4 years.

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Regenerative Medicine

Background:

  • Surgical treatment for hip labral injuries has evolved towards tissue preservation.
  • Current standards for irreparable tears often involve grafts.
  • Synthetic scaffolds offer a potential alternative for labral reconstruction and augmentation.

Purpose of the Study:

  • To evaluate the initial clinical experience with a synthetic polyurethane scaffold for hip labral augmentation and reconstruction.
  • To assess patient-reported outcomes and imaging results at 2- and 4-year follow-up.

Main Methods:

  • Three patients with femoroacetabular impingement and irreparable labral damage underwent reconstruction or augmentation with a polyurethane scaffold (Actifit®).
  • Patient-reported outcome measures (NAHS, HOS) and magnetic resonance imaging (MRI) were used for assessment.

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  • Follow-up occurred at 2 and 4 years post-implantation.

    • Main Results:

    • All patients showed clinical improvement in hip function and pain at 4 years.
    • Non-arthritic Hip Score (NAHS) improved by 50.9% and Hip Outcome Score (HOS) by 35.3%.
    • MRIs confirmed scaffold presence without shrinkage or progression to osteoarthritis; scaffold signal remained hyperintense.

    Conclusions:

    • Synthetic polyurethane scaffolds may be effective for reconstructing or augmenting segmental labral defects.
    • The procedure resulted in improved hip function, reduced pain, and scaffold preservation at 4-year follow-up in this small case series.