Related Experiment Video
Updated: May 9, 2026
A New Hybrid Quantitative Evaluation Model for Axillary Junctional Hemorrhage in Swine
Published on: December 6, 2024
Combined hemorrhage/trauma models in pigs-current state and future perspectives
Frank Hildebrand1, Hagen Andruszkow, Markus Huber-Lang
1*Department of Orthopedic Trauma, and Harald Tscherne Research Laboratory for Orthopedic Trauma, University of Aachen, Aachen; †Department of Orthopedic Trauma, Hand-, Plastic- and Reconstructive Surgery, University of Ulm, Ulm; and ‡Department of Experimental Trauma Surgery, Klinikum rechts der Isar, Technical University Munich, Munich, Germany.
Existing pig models for multiple injuries often overlook the critical late phase of recovery. Developing long-term trauma models is essential for creating effective treatments to improve outcomes for severely injured patients.
Area of Science:
- Trauma research
- Surgical critical care
- Translational medicine
Background:
- Multiple injuries commonly involve the chest, abdomen, and extremities.
- Current pig models primarily investigate acute posttraumatic pathophysiology and hemorrhage within the first hours.
- Hemorrhagic shock and mass transfusion are significant contributors to organ failure and mortality in the later clinical course.
Purpose of the Study:
- To review existing porcine models of combined traumatic injuries.
- To highlight the limitations of current models in addressing the late posttraumatic phase.
- To emphasize the necessity of long-term observation periods in trauma research.
Main Methods:
- Review of existing literature on porcine models for combined traumatic injuries.
- Analysis of the time course and focus of current experimental models.
- Identification of research gaps concerning the late posttraumatic phase.
Main Results:
- Most porcine trauma models focus on the acute phase (first hours) post-injury.
- There is a lack of research on the pathomechanisms and therapeutic interventions during the later stages of recovery.
- Current models do not adequately reflect the clinical need for long-term intensive care and treatment strategies.
Conclusions:
- Existing porcine models are insufficient for studying the full spectrum of posttraumatic complications, particularly in the late phase.
- Long-term studies using combined trauma models are crucial for developing effective therapeutics for multiply injured patients.
- Developing and validating long-term models will enhance the clinical relevance of translational trauma research and improve patient outcomes.
