Are Gait Indices Sensitive Enough to Reflect the Effect of Ankle Foot Orthosis on Gait Impairment in Cerebral Palsy Diplegic Patients?

Barry Danino*, Snir Erel, Meital Kfir, Sam Khamis, Reuven Batt, Yoram Hemo, Shlomo Wientroub, Shlomo Hayek

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Neuromuscular impairments may compromise gait function in patients with cerebral palsy (CP). As such, ambulatory children with CP often use ankle foot orthosis (AFO) to facilitate and optimize their ability to walk. The aim of this study was to evaluate whether the different gait indices, the Gillette Gait Index (GGI), the Gait Deviation Index (GDI), and the Gait Profile Score (GPS), reflect the improved gait that was previously shown using AFO. Methods: A retrospective analysis of 53 studies on children with spastic diplegic CP. All had undergone a comprehensive gait study and were analyzed while walking, both barefoot and with their braces, in the same session. Kinematic and temporal spatial data were determined and summarized by 3 methods: GPS, GDI, and GGI. Results: Significant differences were found between the barefoot condition and the AFO conditions for temporal and kinematic parameters: changes in GGI, GDI, and GPS were not statistically significant, with an improvement of 9.33% in GGI (P=0.448) and no change in GDI and GPS. Conclusions: The use of AFO in diplegic CP children caused a statistically significant improvement in temporal and kinematic parameters. Interestingly, it was found that this improvement was not reflected by GGI, GDI, or GPS. These findings might suggest that gait indices, as outcome measures, may sometimes not reflect all the effects of specific interventions. Level of Evidence: Level III-retrospective study.

Original languageEnglish
Pages (from-to)294-298
Number of pages5
JournalJournal of Pediatric Orthopaedics
Volume36
Issue number3
DOIs
StatePublished - 2016

Keywords

  • Gillette gait index
  • ankle foot orthosis
  • cerebral palsy
  • gait analysis
  • gait deviation index
  • gait profile score

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