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Related Experiment Videos

Percutaneous epiphysiodesis using transphyseal screws (PETS)

J P Métaizeau1, J Wong-Chung, H Bertrand

  • 1Service d'Orthopédie Pédiatrique, Hôpital Belle-Isle, Metz, France.

Journal of Pediatric Orthopedics
|May 26, 1998
PubMed
Summary
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Percutaneous epiphysiodesis using transphyseal screws (PETS) effectively corrects limb-length inequality and angular knee deformities. This reliable technique offers advantages like simplicity and reversibility, with significant growth modulation observed.

Area of Science:

  • Orthopedic Surgery
  • Pediatric Orthopedics
  • Skeletal Growth Modulation

Background:

  • Limb-length inequality and angular deformities require effective surgical correction.
  • Percutaneous epiphysiodesis using transphyseal screws (PETS) is a novel technique.
  • Previous methods have limitations necessitating improved approaches.

Purpose of the Study:

  • To describe the technique of PETS.
  • To evaluate the efficacy and safety of PETS in correcting limb-length discrepancies and angular knee deformities.
  • To assess the growth modulation effects of PETS on physes.

Main Methods:

  • Retrospective review of 32 cases with limb-length inequality and 9 with angular knee deformities.
  • Subgroup analysis of 18 patients with postfracture limb overgrowth.

Related Experiment Videos

  • Application of transphyseal screws for temporary physeal arrest.

    • Main Results:

    • Significant reduction in bone-length inequality from 2.47 cm to 0.51 cm.
    • Correction of tibiofemoral angle from 7.66 degrees to 0.86 degrees.
    • Achieved significant growth inhibition of distal femoral and proximal tibial physes, up to 89% and 95% respectively.

    Conclusions:

    • PETS is a reliable and advantageous technique for limb-length equalization and angular deformity correction.
    • The method demonstrates simplicity, short operating time, rapid rehabilitation, and reversibility.
    • PETS provides effective and predictable physeal growth modulation with minimal complications.