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Screw epiphysiodesis for ankle valgus

P M Stevens1, R M Belle

  • 1University of Utah, Salt Lake City, USA.

Journal of Pediatric Orthopedics
|January 1, 1997
PubMed
Summary
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A novel surgical technique using a single screw effectively corrects progressive ankle valgus in children. This safe and predictable method shows satisfactory improvement with low morbidity, avoiding permanent growth plate closure.

Area of Science:

  • Pediatric Orthopedics
  • Pediatric Foot and Ankle Surgery
  • Pediatric Deformity Correction

Background:

  • Progressive ankle valgus is a complex childhood deformity with diverse causes, often confused with hindfoot valgus.
  • Existing surgical treatments like osteotomy or hemiepiphysiodesis carry risks and complexities.
  • A need exists for a simpler, safer, and effective method to address this condition.

Purpose of the Study:

  • To introduce and evaluate a minimally invasive technique for correcting progressive ankle valgus in children.
  • To assess the safety, predictability, and efficacy of retarding medial malleolar growth using a single screw.

Main Methods:

  • A cohort of 31 children (50 feet) with progressive ankle valgus underwent surgical correction.
  • The technique involved inserting a single 4.5-mm vertical screw to retard medial malleolar growth.

Related Experiment Videos

  • Outcomes were evaluated for deformity correction, morbidity, and physeal status.

    • Main Results:

    • Satisfactory improvement in ankle valgus deformity was observed in the treated feet.
    • The procedure demonstrated low morbidity rates.
    • No permanent physeal closure was noted, indicating preserved growth potential.

    Conclusions:

    • Retarding medial malleolar growth with a single screw is a safe, predictable, and effective treatment for progressive ankle valgus in children.
    • This technique offers a viable alternative to more invasive procedures, preserving physeal function.