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Updated: Jul 25, 2025
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Published on: May 27, 2022
Development and Application of a Novel Pressure System for Evaluating Trauma Severities Using a Physiological
Raphael Santos do Nascimento1, Jefferson Luiz Brum Marques1, Adair Roberto Soares Santos2
1Programa de Pós-graduação em Engenharia Elétrica, Centro Tecnológico, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil; Instituto de Engenharia Biomédica, Departamento de Engenharia Elétrica e Eletrônica, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil.
Researchers developed a novel, precise method to measure pressure pulses in fluid percussion injury (FPI) models for traumatic brain injury (TBI). This system accurately differentiates between mild and moderate TBI severity, offering a more cost-effective alternative.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Surgical Techniques
Background:
- The fluid percussion injury (FPI) model is a standard surgical method for inducing traumatic brain injury (TBI) in research.
- Accurate measurement of peak impact pressure is crucial for FPI model reproducibility.
- High costs associated with the classic FPI device have prompted the development of more economical alternatives.
Purpose of the Study:
- To develop a novel, cost-effective method for evaluating pressure pulses in FPI models.
- To enhance the precision of injury severity determination during FPI induction.
- To validate the system's ability to differentiate between varying degrees of TBI.
Main Methods:
- A modified FPI device was engineered, focusing on electronic components, algorithms, and hardware.
- Adult male Wistar rats were subjected to two distinct impact forces.
- The novel system measured pressure pulses in atmospheres to correlate with injury severity and physiological changes.
Main Results:
- The developed system successfully differentiated between mild and moderate FPI severities.
- Physiological alterations, including apnea and unconsciousness, were more pronounced in moderate FPI.
- Electrocardiographic (ECG) signals showed significant changes post-TBI, with parameters like heart rate and frequency indices altered more in moderate FPI, reflecting clinical TBI impacts.
Conclusions:
- The novel method precisely determines different injury degrees in the FPI model.
- This system offers a more accurate and potentially cost-effective approach to TBI research.
- Findings support the utility of this method for studying TBI-induced physiological responses.
