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Comparison of “Bilboquet” device and locking plate for surgical treatment of proximal humerus complex fractures at two years follow-up

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Abstract

Purpose

Surgical treatment of three or four part fractures of the proximal humerus is complex. Different conservative techniques have been described. The main goal of this study was to compare the clinical and radiological outcomes of Bilboquet and locking plate at two year follow-up.

Methods

This is a retrospective, comparative study, with a continuous series of 41 patients. Bony fixation was achieved with a Bilboquet device in 22 patients or a locking plate in 19 patients. Patient evaluation included clinical data: shoulder range of motion, Constant–Murley shoulder score and DASH (Disabilities of the Arm, Shoulder and Hand) score, and imaging using standard shoulder X-rays.

Results

Of the 41 patients included, 1 patient was lost to follow-up in the locking plate group. At a mean follow-up of 24 months patients in Bilboquet group showed a Constant score higher than in locking plate (p = 0.02). Range of motion and DASH score were not significantly different between the two groups. avascular necrosis occured in three patients of Bilboquet group (14%) versus in two patients in the locking plate group (11%) (p > 0.5). Complication and reintervention rate were non-significantly higher in the locking plate group than in the Bilboquet group (37 vs 14%).

Conclusion

Bilboquet and locking plate give good functional outcomes in complex proximal humerus fractures. However, the Bilboquet device appears to provide better functional results than locking plate at mid-term follow-up.

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Availability of data and materials

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

Funding

No funding was received to assist with the preparation of this manuscript.

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Authors

Contributions

All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Yaniv Bismuth, Adeline Cambon-Binder, Alain Sautet, Levon Doursounian, and Thomas Gregory. The first draft of the manuscript was written by Claire Bastard, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Claire Bastard.

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We declare that we have no conflicts of interest in the authorship or publication of this contribution.

Ethical approval

This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Patients signed informed consent regarding publishing their data and photographs.

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Bismuth, Y., Cambon-Binder, A., Sautet, A. et al. Comparison of “Bilboquet” device and locking plate for surgical treatment of proximal humerus complex fractures at two years follow-up. International Orthopaedics (SICOT) 45, 1811–1816 (2021). https://doi.org/10.1007/s00264-021-04967-w

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