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[Experience with the Hind Foot Relaxation Boot].

Hans Zwipp1, Michael Borrmann2, Eberhard Walter2

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Summary

This study introduces a novel hybrid boot for hindfoot fractures, offering full weight-bearing and protection. The improved second-generation boot is lighter, safer, and superior to traditional orthoses for easier walking and reduced complications.

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Area of Science:

  • Orthopedics
  • Traumatology
  • Biomedical Engineering

Background:

  • Hindfoot fractures require specialized treatment to ensure proper healing and mobility.
  • Traditional orthoses like the Allgöwer-Röck orthesis (ARO) have limitations in providing full weight-bearing and comfort.
  • A hybrid boot combining features of a boot and an orthosis was developed to address these limitations.

Purpose of the Study:

  • To report the clinical experience with a specially developed hybrid boot for hindfoot fractures.
  • To evaluate the efficacy and safety of the first and second-generation boots in a large patient cohort.
  • To compare the new boot system with the established Allgöwer-Röck ortheses (ARO).

Main Methods:

  • Retrospective analysis of 557 cases treated with the hybrid boot (408 first-generation, 149 second-generation).
  • The second-generation boot features an improved design with an aluminum U-profile for enhanced load transfer.
  • Patients underwent treatment for acute hindfoot fractures, hindfoot arthrodesis, or conservative management.

Main Results:

  • The hybrid boot allows full weight-bearing without crutches, facilitating easier standing and walking, even for elderly patients.
  • The second-generation boot demonstrated improved safety and lighter weight compared to the first generation.
  • Reduced incidence of osteopenia and coordination deficits was observed compared to ARO, with no cases of fracture dislocation or pressure-related wound complications.

Conclusions:

  • The developed hybrid boot is a safe and effective alternative to traditional orthoses for hindfoot fracture management.
  • The second-generation boot offers significant advantages in terms of design, safety, and patient mobility.
  • This innovative boot system facilitates faster recovery and improved patient outcomes, particularly in complex cases like bilateral calcaneal fractures.