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TOPICAL COLLECTIONS

Innovative Methods and Strategies to Induce, Study, and Treat Trauma or Polytrauma in Animal Models

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Guest Editor

Bilgimol Chumappumkal Joseph

Bilgimol Chumappumkal Joseph

The University of California, San Diego

Dr. Joseph has been a Postdoctoral Fellow at von Drygalski’s lab in the Department of Medicine at The University of California, San Diego since 2017. She obtained her PhD in Biotechnology from VIT University, India in 2013. During her graduate work, she completed a mutation study for improving the stability and activity of recombinant factor VIII, the first time that such a system was developed in India. This recombinanant factor VIII system went on to be patented. She moved to New Zealand in 2015 and joined Dr. Evelyn Sattlegger’s lab at Massey University, where she worked on cancer    In 2017 she joined began her postdoc at University of California, San Diego (UCSD) where she works on understanding the molecular mechanisms of traumatic bleeding and coagulopathy. She also tests anti-fibrinolytic agents and recombinant factor products that help prevent the development of acute traumatic coagulopathy. She is also engaged in developing mouse models to study the mechanisms of trauma.

Collection Overview

Trauma is the leading cause of death and disability in young adults. Rapid exsanguination accompanied by shock majorly contributes to mortality after traumatic injury. Even though there are improved protocols including fluid resuscitation and transfusion strategies, the mortality rate due to trauma remains high. Acute traumatic coagulopathy (ATC) is a major complication of traumatic bleeding, and occurs within the first few hours of trauma. About 30% of patients tend to develop ATC, contributing to uncontrolled bleeding with high mortality rates. The lethal triad of trauma – ATC in association with coagulopathy, hypothermia, and acidosis, contributes to this vicious cycle. Advances in management of ATC remain limited due to optimization of goal-directed blood component transfusion strategies and tranexamic acid (TXA). Early treatment with TXA has resulted in reduction of bleeding and mortality rate; however, it requires further improvement. Currently, there are insufficient models and treatment modalities to study and explore ATC. Thus, the scientific community will greatly benefit from this method collection, where there is a single platform for all the methodologies and treatment modalities of traumatic injury. 

The goals of this method collection are: (1) to provide state-of the-art protocols and procedures for the induction of trauma or polytrauma in various animal models, (2) to introduce novel approaches in treatment modalities, such as usage of anti-fibrinolytic agents or the of recombinant factor products, and (3) to understand the molecular mechanisms of trauma induced coagulopathy.

Articles

A Murine Liver Laceration Model Simplifying Quantification of Trauma-Induced Hemorrhage Coagulopathy, Inflammation, and Survival

A Murine Liver Laceration Model Simplifying Quantification of Trauma-Induced Hemorrhage Coagulopathy, Inflammation, and Survival

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2026

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Abstracts

Induction of a bilateral blunt chest trauma in mice

Claudia Neunaber1,

Katrin Bundkirchen*1

1Medizinische Hochschule Hannover, Unfallchirurgie