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Archives of Orthopaedic and Trauma Surgery

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01-10-2014 | Handsurgery

Anatomical fit of seven different palmar distal radius plates

Authors: Johannes Oppermann, Max Wacker, Gregor Stein, Hans-Philipp Springorum, Wolfram Friedrich Neiss, Klaus J. Burkhart, Peer Eysel, Jens Dargel

Published in: Archives of Orthopaedic and Trauma Surgery | Issue 10/2014

Abstract

Introduction

The purpose of this study was to compare the anatomical fit of different, precontoured palmar distal radius plates.

Methods

The anatomical fit of seven different types of palmar distal radius plates [Königsee variable fixed-angle radius plate 7/3-hole, Königsee variable fixed-angle radius plate 5/3-hole (Allendorf, Germany), Medartis 2.5 Adaptive TriLock, Medartis 2.5 TriLock, Medartis 2.5 TriLock extraarticular, (Basel, Switzerland), Synthes VA-LCP distal two-column-radius, Synthes LCP extraarticular (Bettlach, Switzerland)] were investigated in 25 embalmed human cadaveric radii. An imprint of the space between the well-positioned plate and the distal radius was attained using a silicone mass and the maximum height of the silicone imprint was digitally measured. The mean maximum imprint height was compared between the seven plates using an analysis of variance with repeated measures and Bonferroni correction for multiple comparisons.

Results

The mean maximum distance between the plates and the radial cortex was <2 mm for all plates. The greatest difference was found with the Medartis Adaptive (1.99 ± 0.45 mm) and the least difference with the Synthes two-column (1.56 ± 0.76 mm), this difference being statistically significant (p = 0.005).

Conclusion

Although there was no complete congruency between the plates and the radial cortex, all distal palmar radius plates investigated in this study presented a reasonable anatomical shape. The Synthes VA-LCP distal two-column-radius plate palmar showed the best anatomical fit. A low profile and optimized anatomical precontouring minimizes irritation of the surrounding soft tissues and should be considered with plate design and implant choice.

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Title: Anatomical fit of seven different palmar distal radius plates
Authors: Johannes Oppermann
Max Wacker
Gregor Stein
Hans-Philipp Springorum
Wolfram Friedrich Neiss
Klaus J. Burkhart
Peer Eysel
Jens Dargel
Publication date: 01-10-2014
Publisher: Springer Berlin Heidelberg
Published in: Archives of Orthopaedic and Trauma Surgery / Issue 10/2014
Print ISSN: 0936-8051
Electronic ISSN: 1434-3916
DOI: https://doi.org/10.1007/s00402-014-2072-y

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Anatomical fit of seven different palmar distal radius plates

Abstract

Introduction

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Introduction

Methods

Results

Conclusion

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