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Journal article
Experimental Biomechanics of Neonatal Brachial Plexus Avulsion Injuries Using a Piglet Model
Bioengineering, v 12(1), 91
20 Jan 2025
PMID: 39851365
Featured in Collection : Research Supported by Drexel Libraries' OA Programs
Abstract
Background: A brachial plexus avulsion occurs when the nerve root separates from the spinal cord during birthing trauma, such as shoulder dystocia or a difficult vaginal delivery. A complete paralysis of the affected levels occurs post-brachial plexus avulsion. Despite being reported in 10–20% of brachial plexus birthing injuries, it remains poorly diagnosed during the acute stages of injury, leading to poor intervention approaches. The poor diagnosis of brachial plexus avulsion injury can be attributed to the currently unavailable biomechanics of brachial plexus avulsion. While the biomechanical properties of neonatal brachial plexus are available, the forces required to avulse a neonatal brachial plexus remain unknown. Methods: This study aims to provide detailed biomechanics of the required forces and corresponding strains for neonatal brachial plexus avulsion. Biomechanical tensile testing was performed on an isolated, clinically relevant piglet spinal cord and brachial plexus complex, and the required avulsion forces and strains were measured. Results: The reported failure forces and corresponding strains were 3.9 ± 1.6 N at a 27.9 ± 6.5% strain, respectively. Conclusion: The obtained data are required to understand the avulsion injury biomechanics and provide the necessary experimental data for computational model development that serves as an ideal surrogate for understanding complicated birthing injuries in newborns.
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Details
- Title
- Experimental Biomechanics of Neonatal Brachial Plexus Avulsion Injuries Using a Piglet Model
- Creators
- Sriram Balasubramanian (Corresponding Author) - Drexel University, School of Biomedical Engineering, Science, and Health SystemsAnita Singh - Temple UniversityKalyani Ghuge - Temple UniversityYashvy Patni
- Publication Details
- Bioengineering, v 12(1), 91
- Publisher
- MDPI
- Number of pages
- 9
- Grant note
- NICHD, NIH: R15HD093024, R01HD104910A NSF: 1752513
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems
- Web of Science ID
- WOS:001404580400001
- Scopus ID
- 2-s2.0-85215994339
- Other Identifier
- 991022019119904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Biotechnology & Applied Microbiology
- Engineering, Biomedical