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Are adult carpal angle measurements applicable to the pediatric population in the trauma setting?

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Abstract

Objective

The aim of this study is to assess the applicability of standard adult carpal angle measurements, specifically the scapholunate and capitolunate angles, in the assessment of the pediatric wrist.

Materials and methods

The study cohort comprised male and female children who underwent a wrist radiograph for the evaluation of suspected wrist injuries following trauma. A gender- and indication-matched adult cohort was also assessed. To ensure an accurate carpal angle measurement, only individuals with a sufficiently ossified carpus and an adequately positioned lateral wrist radiograph were included.

Results

Carpal angle measurements were performed on the lateral wrist radiographs of 256 individuals between the ages of 5 and 17 years (mean 11.2 years, SD ± 2.5 years) and 256 individuals between the ages of 18 and 40 years (mean 28.8 years, SD ± 6.2 years). The mean pediatric scapholunate angle was 47° (SD ± 8) and the mean pediatric capitolunate angle was 11° (SD ± 7). The mean adult scapholunate and capitolunate angles were 48° (SD ± 8°) and 10° (SD ± 6°) respectively. No statistically significant difference was observed between the scapholunate or capitolunate angle measurements in the two groups (p = 0.26 and p = 0.36).

Conclusion

The study data supports the applicability of standard adult carpal angle values to the pediatric population provided the carpus is sufficiently ossified.

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Authors and Affiliations

  1. Department of Radiology, Our Lady’s Children’s Hospital, Crumlin, Dublin 12, Ireland

    E. A. Joyce & A. Snow

  2. Department of Radiology, St James’s Hospital, James’s Street, Dublin 8, Ireland

    T. Farrell, J. McMorrow & D. Mulholland

  3. Department of Plastic and Reconstructive Surgery, St James’s Hospital, James’s Street, Dublin 8, Ireland

    K. M. Browne

Authors
  1. E. A. Joyce
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  2. T. Farrell
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  3. J. McMorrow
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  4. D. Mulholland
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  5. K. M. Browne
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  6. A. Snow
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Correspondence to E. A. Joyce.

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Joyce, E.A., Farrell, T., McMorrow, J. et al. Are adult carpal angle measurements applicable to the pediatric population in the trauma setting?. Skeletal Radiol 47, 1151–1156 (2018). https://doi.org/10.1007/s00256-018-2905-9

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  • DOI: https://doi.org/10.1007/s00256-018-2905-9

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