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Related Experiment Videos

Procedure-Specific Hardware Removal After Evans Osteotomy.

Patrick A DeHeer1, Shrunjay Patel1, Sarah N Standish1

  • 1Department of Podiatric Surgery, St. Vincent's Hospital, Indianapolis, IN.

Journal of the American Podiatric Medical Association
|June 20, 2020
PubMed
Summary
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Females undergoing Evans osteotomy with locking plates are twice as likely to need hardware removal due to soft-tissue irritation compared to males. This procedure for flexible flatfoot may require hardware removal for pain relief.

Area of Science:

  • Orthopedic surgery
  • Foot and ankle reconstruction
  • Biomedical engineering

Background:

  • The Evans osteotomy is a standard procedure for flexible flatfoot in adults and children.
  • Locking plates are frequently used for osteotomy and allograft stabilization.
  • Hardware-related soft-tissue irritation can necessitate hardware removal.

Purpose of the Study:

  • To investigate the correlation between patient demographics (age, sex, laterality) and the rate of hardware removal after Evans osteotomy.
  • To identify risk factors for symptomatic hardware complications.

Main Methods:

  • Retrospective review of 47 patients undergoing Evans calcaneal osteotomy.
  • Data collection on age, sex, laterality, and hardware removal.
  • Statistical analysis to determine significant correlations.

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Main Results:

  • Hardware removal was required in 30% of procedures (21 of 70 feet).
  • Females were significantly more likely to require hardware removal than males (P = .039).
  • All patients who underwent hardware removal reported complete pain relief.

Conclusions:

  • Females have a higher incidence of symptomatic hardware complications after Evans osteotomy with locking plates.
  • Locking plate hardware, despite its low profile, can cause significant pain.
  • Patients, particularly females, should be counseled on the risk of hardware-related pain and potential need for removal.