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Related Experiment Videos

Extraarticular subtalar arthrodesis: the dowel method.

S P Pirani1, S J Tredwell, R D Beauchamp

  • 1B.C. Children's Hospital, Vancouver, Canada.

Journal of Pediatric Orthopedics
|March 1, 1990
PubMed
Summary
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Extraarticular subtalar arthrodesis using the dowel method effectively treated pediatric valgus foot deformities. While many cases showed excellent or satisfactory outcomes, surgical technique errors impacted results in some children.

Area of Science:

  • Orthopedic surgery
  • Pediatric orthopedics
  • Foot and ankle surgery

Background:

  • Valgus foot deformity in children can result from various conditions like meningomyelocele, idiopathic flatfoot, and cerebral palsy.
  • Extraarticular subtalar arthrodesis is a surgical technique aimed at correcting such deformities and improving function.
  • The dowel method is a specific technique for performing this arthrodesis.

Purpose of the Study:

  • To review the technique and outcomes of extraarticular subtalar arthrodesis using the dowel method in children.
  • To evaluate the effectiveness of the procedure in correcting valgus deformity and improving ambulation.
  • To identify factors contributing to successful and unsuccessful outcomes.

Main Methods:

  • Retrospective review of 50 feet in 30 children who underwent extraarticular subtalar arthrodesis (dowel method) between 1976 and 1986.

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  • Indications included meningomyelocele, idiopathic flatfoot, and cerebral palsy.
  • Outcomes were assessed based on deformity correction, arthrodesis solidity, pain reduction, and ambulation improvement.

    • Main Results:

    • Excellent results were achieved in 28 cases (56%), satisfactory in 15 (30%), and unsatisfactory in seven (14%).
    • The primary goals of deformity correction, solid arthrodesis, and improved ambulation were met in a majority of cases.
    • Unsatisfactory outcomes were mainly associated with intraoperative positioning errors and concurrent perineal tendon lengthening in cerebral palsy patients.

    Conclusions:

    • Extraarticular subtalar arthrodesis with the dowel technique is a viable option for correcting pediatric valgus foot deformities.
    • Careful surgical technique, particularly regarding intraoperative positioning, is crucial for optimal outcomes.
    • Further investigation into specific challenges in cerebral palsy patients may be warranted.