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Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study
PURPOSE: Open reduction and internal fixation using anterior plate osteosynthesis currently represents the gold standard for the treatment of symphyseal disruptions. Since postoperative screw loosening with consequent implant failure is frequently observed, this study aims to evaluate if and to what...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Berlin Heidelberg
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9532288/ https://www.ncbi.nlm.nih.gov/pubmed/35364692 http://dx.doi.org/10.1007/s00068-022-01963-6 |
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author | Cavalcanti Kußmaul, Adrian Schwaabe, Fanny Becker, Christopher Alexander Kleber, Christian Linhart, Christoph Thorwächter, Christoph Rubenbauer, Bianka Böcker, Wolfgang Greiner, Axel |
author_facet | Cavalcanti Kußmaul, Adrian Schwaabe, Fanny Becker, Christopher Alexander Kleber, Christian Linhart, Christoph Thorwächter, Christoph Rubenbauer, Bianka Böcker, Wolfgang Greiner, Axel |
author_sort | Cavalcanti Kußmaul, Adrian |
collection | PubMed |
description | PURPOSE: Open reduction and internal fixation using anterior plate osteosynthesis currently represents the gold standard for the treatment of symphyseal disruptions. Since postoperative screw loosening with consequent implant failure is frequently observed, this study aims to evaluate if and to what extent augmentation can increase the pull-out force of symphyseal screws to improve the constructs stability. METHODS: Twelve human cadaveric anterior pelvic rings were separated at the symphyseal joint for bilateral testing, consequently achieving comparable sites. First, one non-augmented screw was drilled into the superior pubic ramus, whereas the contralateral side was primarily augmented. The screws were then withdrawn with a constant speed of 10 mm/min and the fixation strengths determined by the force (N) displacement (mm) curve. Finally, the primary non-augmented site was secondary augmented, representing revision surgery after initial implant failure, and the corresponding fixation strength was measured again. RESULTS: Augmentation compared to non-augmented screws displayed significantly higher pull-out forces with an increase in pull-out force by 377% for primary and 353% for secondary augmentation (p < 0.01). There was no significant difference in the pull-out force comparing primary and secondary augmentation (p = 0.74). CONCLUSIONS: Primary and secondary augmentation significantly increases the stability of symphyseal screws and, therefore, potentially decreases rates of implant failure. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s00068-022-01963-6. |
format | Online Article Text |
id | pubmed-9532288 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Springer Berlin Heidelberg |
record_format | MEDLINE/PubMed |
spelling | pubmed-95322882022-10-06 Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study Cavalcanti Kußmaul, Adrian Schwaabe, Fanny Becker, Christopher Alexander Kleber, Christian Linhart, Christoph Thorwächter, Christoph Rubenbauer, Bianka Böcker, Wolfgang Greiner, Axel Eur J Trauma Emerg Surg Original Article PURPOSE: Open reduction and internal fixation using anterior plate osteosynthesis currently represents the gold standard for the treatment of symphyseal disruptions. Since postoperative screw loosening with consequent implant failure is frequently observed, this study aims to evaluate if and to what extent augmentation can increase the pull-out force of symphyseal screws to improve the constructs stability. METHODS: Twelve human cadaveric anterior pelvic rings were separated at the symphyseal joint for bilateral testing, consequently achieving comparable sites. First, one non-augmented screw was drilled into the superior pubic ramus, whereas the contralateral side was primarily augmented. The screws were then withdrawn with a constant speed of 10 mm/min and the fixation strengths determined by the force (N) displacement (mm) curve. Finally, the primary non-augmented site was secondary augmented, representing revision surgery after initial implant failure, and the corresponding fixation strength was measured again. RESULTS: Augmentation compared to non-augmented screws displayed significantly higher pull-out forces with an increase in pull-out force by 377% for primary and 353% for secondary augmentation (p < 0.01). There was no significant difference in the pull-out force comparing primary and secondary augmentation (p = 0.74). CONCLUSIONS: Primary and secondary augmentation significantly increases the stability of symphyseal screws and, therefore, potentially decreases rates of implant failure. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s00068-022-01963-6. Springer Berlin Heidelberg 2022-04-01 2022 /pmc/articles/PMC9532288/ /pubmed/35364692 http://dx.doi.org/10.1007/s00068-022-01963-6 Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
spellingShingle | Original Article Cavalcanti Kußmaul, Adrian Schwaabe, Fanny Becker, Christopher Alexander Kleber, Christian Linhart, Christoph Thorwächter, Christoph Rubenbauer, Bianka Böcker, Wolfgang Greiner, Axel Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study |
title | Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study |
title_full | Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study |
title_fullStr | Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study |
title_full_unstemmed | Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study |
title_short | Does augmentation increase the pull-out force of symphyseal screws? A biomechanical cadaver study |
title_sort | does augmentation increase the pull-out force of symphyseal screws? a biomechanical cadaver study |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9532288/ https://www.ncbi.nlm.nih.gov/pubmed/35364692 http://dx.doi.org/10.1007/s00068-022-01963-6 |
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