Patients with infections are a leading cause of presentations to the Emergency Department (ED), with severe sepsis and infection causing an estimated 20,000 deaths each day across the world. Treatment is aimed at eradicating the infection and supporting the patient while recovery can take place. Frequently patients develop low blood pressure as a result of immune response that can ultimately result in further organ injury (termed septic shock). Intravenous fluids are recommended by international guidelines as the first line therapy in the ED to treat low blood pressure of sepsis with the hope of preventing organ injury and death. Despite 50 years of use in sepsis, the rationale for fluids remains based in theory rather than clear evidence it is effective in saving lives. Disconcertingly, there is now increasing evidence that fluids in sepsis are ineffective and may actually worsen patient survival. Despite this fluids continue to be recommended and used liberally in the ED resulting in conflict between our historical practice and the best evidence.
We have developed an animal model of septic shock and resuscitation in order to test the effectiveness of fluid resuscitation. This will allow us to both understand the true effect but also investigate the underlying physiological mechanisms of any harms.READ MORE
The World Health Organization reports that trauma will be the major contributor to the 49.7 million annual deaths globally from non–communicable disease in 2020. Trauma and sepsis are the two leading causes of death worldwide. This project aims to examine the effects of trauma and severe infection on oxygen supply to various tissues and organs.
We will study what infection does to metabolism and the degree of inflammation in these tissues. The effects of resuscitation on these tissue parameters while using stored and fresh blood will also be studied.
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