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Published in: European Journal of Trauma and Emergency Surgery 5/2022

Open Access 19-03-2022 | Acetabular Fracture | Review Article

Biomechanical analysis of fixation methods in acetabular fractures: a systematic review of test setups

Authors: Nico Hinz, Julius Dehoust, Matthias Münch, Klaus Seide, Tobias Barth, Arndt-Peter Schulz, Karl-Heinz Frosch, Maximilian J. Hartel

Published in: European Journal of Trauma and Emergency Surgery | Issue 5/2022

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Abstract

Purpose

Optimal anatomical reduction and stable fixation of acetabular fractures are important in avoiding secondary dislocation and osteoarthritis. Biomechanical studies of treatment options of acetabular fractures aim to evaluate the biomechanical properties of different fixation methods. As the setup of the biomechanical test can influence the experimental results, this review aimed to analyze the characteristics, comparability and clinical implications of studies on biomechanical test setups and finite element analyses in the fixation of acetabular fractures.

Methods

A systematic literature research was conducted according to the PRISMA guidelines, using the PubMed/MEDLINE and Web of Science databases. 44 studies conducting biomechanical analyses of fixation of acetabular fractures were identified, which met the predefined inclusion and exclusion criteria and which were published in English between 2000 and April 16, 2021. The studies were analyzed with respect to distinct parameters, including fracture type, material of pelvis model, investigated fixation construct, loading direction, loading protocol, maximum loading force, outcome parameter and measurement method.

Results

In summary, there was no standardized test setup within the studies on fixation constructs for acetabular fractures. It is therefore difficult to compare the studies directly, as they employ a variety of different test parameters. Furthermore, the clinical implications of the biomechanical studies should be scrutinized, since several test parameters were not based on observations of the human physiology.

Conclusion

The limited comparability and restricted clinical implications should be kept in mind when interpreting the results of biomechanical studies and when designing test setups to evaluate fixation methods for acetabular fractures.
Appendix
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Metadata
Title
Biomechanical analysis of fixation methods in acetabular fractures: a systematic review of test setups
Authors
Nico Hinz
Julius Dehoust
Matthias Münch
Klaus Seide
Tobias Barth
Arndt-Peter Schulz
Karl-Heinz Frosch
Maximilian J. Hartel
Publication date
19-03-2022
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Trauma and Emergency Surgery / Issue 5/2022
Print ISSN: 1863-9933
Electronic ISSN: 1863-9941
DOI
https://doi.org/10.1007/s00068-022-01936-9

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