Outcomes following treatment of complex tibial fractures with circular external fixation: Comparison between the taylor spatial frame and truelok hex

Jaco Naude, Muhammad Manjra, Franz F. Birkholtz, Annette Christy Barnard, Vaida Glatt, Kevin Tetsworth, Erik Hohmann

Research output: Contribution to journalArticlepeer-review

Abstract

Aim: The purpose of this study was to compare the functional and radiological outcomes of complex tibia fractures treated with two differenhexapod fixators.Material and methods: This is a retrospective comparative study of patients treated for complex tibial fractures between 2010 and 2015. Inclusion criteria was patients between 18 years and 60 years of age, who sustained a complex comminuted open or closed tibial fracture with or without bone loss, who had a minimum of 12 months’ follow-up, and who have been treated definitively using either Taylor Spatial Frame (TSF) or TrueLok Hexapod System (TL-HEX). The outcome measures were Association for the Study and Application of the Method of Ilizarov (ASAMI) score, foot function index (FFI), EQ5-D, four-step square test (FSST), and timed up and go (TUG) test. Descriptive statistics were used to assess patient demographic information. Categorical variables (ASAMI and EQ5D-5L) were analyzed using the χ​2 test. Continuous variables (FFI, functional tests, and radiographic outcomes) were analyzed with two-tailed Student’s t tests.Results: In all, 24 patients were treated with the TL-HEX and 21 with the TSF. The mean time for external fixation was 219 ± 107 days (TL-HEX) and 222 ± 98 days (TSF). Union occurred in 92% (TL-HEX) and 100% (TSF). The mean follow-up was 777 ± 278 days (TL-HEX) and 1211 ± 388 days (TSF). Using the ASAMI scores, there were 17 excellent and 6 good results for the TL-HEX and 10 excellent and 11 good results for the TSF (p = 0.33). The FFI was 30 ± 28.7 (TL-HEX) and 26.1+23.9 (TSF) (p = 0.55). The EQ5D was 0.67 ± 0.3 (TL-HEX) and 0.73 ± 0.2 (TSF) (p = 0.43). The mean TUG and FSST were 9.2 ± 3.2 and 10 ± 2.9 seconds (TL-HEX) and 8.4 ± 2.3 and 9.6 ± 3.1 seconds (TSF) (p = 0.34 and 0.69).Conclusion: The results of this study suggest that both hexapod external fixation devices have comparable clinical, functional, and radiographioutcomes. Either fixator can be used for the treatment of complex tibial fractures, anticipating good and excellent clinical outcomes iapproximately 80% patients.

Original languageEnglish (US)
Pages (from-to)147-152
Number of pages6
JournalStrategies in Trauma and Limb Reconstruction
Volume14
Issue number3
DOIs
StatePublished - Sep 1 2019

Keywords

  • Circular external fixation
  • Complex tibial fractures
  • Taylor Spatial Frame
  • TrueLok Hex

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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