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Updated: Jun 16, 2026

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Angular deformity in pediatric transtibial amputation stumps.

Ashish Ranade1, James J McCarthy, Richard S Davidson

  • 1Shriners Hospitals for Children, Philadelphia, PA, USA.

Journal of Pediatric Orthopedics
|January 28, 2010
PubMed
Summary
This summary is machine-generated.

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Angular deformity occurs in pediatric transtibial amputations, impacting prosthesis fit. Regular monitoring and surgical correction can improve outcomes for children with limb differences.

Area of Science:

  • Pediatric Orthopedics
  • Limb Reconstruction
  • Amputee Care

Background:

  • Progressive angular deformity following pediatric transtibial amputation is not well-documented.
  • Stump angular deformity can cause pain and prosthetic fitting issues.

Purpose of the Study:

  • To determine the incidence and patterns of angular deformity in pediatric transtibial amputations.
  • To evaluate treatment strategies for angular deformity in this population.

Main Methods:

  • Retrospective review of 21 pediatric patients (24 limbs) with transtibial amputations.
  • Radiographic analysis of frontal and sagittal plane alignment; deformity defined as >5 degrees angular deviation.
  • Evaluation of congenital versus acquired amputation causes.

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Main Results:

  • Angular deformity was present in 38% of patients, including valgus, varus, and recurvatum deformities.
  • Stump revision rates were 1.38 for congenital and 0.85 for acquired amputations.
  • Three patients required external fixator correction for prosthetic fitting issues, with all experiencing improved prosthesis fit post-surgery.

Conclusions:

  • Angular deformity is a potential complication of pediatric transtibial amputation, affecting prosthesis fit and gait.
  • Clinical and radiographic surveillance are crucial for early detection.
  • Surgical correction can be beneficial for improving prosthetic function.