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Updated: Jan 25, 2026

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner
04:41

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner

Published on: June 6, 2025

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Use of sliding transphyseal flexible intramedullary nailing in pediatric osteogenesis imperfecta patients

Dmitry Popkov, Arnold Popkov, Eduard Mingazov

    Acta Orthopaedica Belgica
    |April 27, 2019
    PubMed

    Insights

    Flexible intramedullary nailing corrects deformities in severe osteogenesis imperfecta. While effective, it has high complication and reoperation rates, though the Ilizarov frame improves stability.

    Area of Science:

    • Orthopedics
    • Pediatric Orthopedics
    • Biomaterials Engineering

    Background:

    • Osteogenesis imperfecta (OI) is a genetic disorder causing bone fragility.
    • Severe OI often requires surgical intervention for skeletal deformities.
    • Flexible intramedullary nailing (FIN) is a treatment option for pediatric bone deformities.

    Purpose of the Study:

    • To assess the outcomes of sliding flexible intramedullary nailing (FIN) in severe osteogenesis imperfecta (OI) in children.
    • To compare FIN alone versus FIN combined with the Ilizarov frame for deformity correction.

    Main Methods:

    • Retrospective review of 17 pediatric patients with severe OI (types III, IV, VII).
    • Group I: Transphyseal FIN using titanium nails (9 patients).
    • Group II: Sliding FIN combined with Ilizarov frame (8 patients).

    Main Results:

    • Group I (FIN alone) had an 88.9% complication rate and 100% reoperation rate.
    • Common complications in Group I included nail migration, torsional displacement, and non-telescoping.
    • Group II (FIN + Ilizarov frame) had a complication rate of 75% and a reoperation rate of 87.5%.

    Conclusions:

    • Flexible intramedullary nailing effectively realigns bones and improves function in severe OI.
    • High complication and reoperation rates are significant disadvantages of FIN.
    • The Ilizarov frame offers added stability and enables earlier weight-bearing when combined with FIN.

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