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International Orthopaedics

, Volume 43, Issue 12, pp 2817–2824 | Cite as

Good outcome using anatomically pre-formed buttress plates for anteromedial facet fractures of the coronoid—a retrospective study of twenty-four patients

  • Alexander KlugEmail author
  • Stefan Buschbeck
  • Yves Gramlich
  • Johannes Buckup
  • Reinhard Hoffmann
  • Kay Schmidt-Horlohé
Original Paper
  • 86 Downloads

Abstract

Purpose

The aims of this retrospective study were to describe the characteristics of anteromedial facet fracture of the coronoid (AMFF) and to determine the outcome following surgery using anatomically pre-formed coronoid buttress plates.

Methods

Twenty-four patients underwent surgery for AMFF, using a pre-formed buttress plate, between 2011 and 2017 (20 men, four women), with a mean age of 47.7 years (range, 19–78 years) and a mean post-operative follow-up of 3.7 years (range, 12–86 months). Fracture classification, injury pattern, accompanying injuries, post-operative range of motion, and revision rate were noted. Post-operative radiographs assessed union, arthritic change, and joint articulation. Joint function was quantified using the Mayo Elbow Performance Score (MEPS), the Oxford Elbow Score (OES), and the Disabilities of the Arm, Shoulder, and Hand (DASH) scores.

Results

Eleven cases with subtype 2 and 13 cases with a subtype 3 AMFF could be included, of which 15 had an associated rupture of the lateral collateral ligament (LCL) and nine of the medial collateral ligament (MCL). Post-operatively, all cases went to bone union without secondary elbow instability. The mean post-operative range of motion was 125° (range, 90–140°), mean MEPS was 98, mean OES was 43, and mean DASH score was 7. Five patients required repeat surgery within two years due to a limited range of motion; 90% of patients regained their pre-trauma levels of physical activity.

Conclusions

AMFF are challenging injuries, frequently associated with lesions to the collateral ligament complex. Using anatomically pre-formed coronoid plates, excellent functional outcomes can be achieved.

Keywords

Coronoid fracture Anteromedial facet Lateral collateral ligament Outcome Elbow Coronoid Instability 

Notes

Compliance with ethical standards

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

The manuscript has been read and approved by all authors.

Each author believes that the manuscript represents honest work.

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© SICOT aisbl 2019

Authors and Affiliations

  1. 1.BG UnfallklinikFrankfurt am MainGermany

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