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Related Concept Videos

Burn Injuries01:22

Burn Injuries

Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammation: Introduction01:28

Inflammation: Introduction

Inflammation is a fundamental, protective biological response of vascularized tissues to cellular injury, infection, or harmful stimuli. Its primary function is to eliminate the initial cause of injury, clear necrotic cells and damaged tissue, and initiate the necessary repair processes.Cardinal SignsAcute inflammation presents with classic signs. Redness results from vasodilation and increased blood flow. Heat is due to increased metabolism and circulation. Swelling results from the...
Acute Inflammation I: Inflammatory Response01:26

Acute Inflammation I: Inflammatory Response

Acute inflammation is a rapid, short-lived physiological response to tissue injury or infection, designed to eliminate harmful agents and initiate repair. This tightly regulated process typically lasts from minutes to several days and is triggered by factors such as microbial invasion, physical trauma, or chemical injury.Recognition and Mediator ReleaseThe inflammatory response begins when resident immune cells—such as mast cells, macrophages, and dendritic cells—detect damage-associated...
Inflammation01:38

Inflammation

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A Swine Burn Model for Investigating the Healing Process in Multiple Depth Burn Wounds
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[Burn: An inflammatory process].

F Ravat1, J Payre, P Peslages

  • 1Centre des brûlés, centre hospitalier Saint-Joseph et Saint-Luc, 20, quai Claude-Bernard, 69007 Lyon, France. francois@ravat.fr.st

Pathologie-Biologie
|February 2, 2010
PubMed
Summary
This summary is machine-generated.

Thermal injury triggers a two-phase inflammatory response, impacting immunity and cardiovascular health. Current understanding of this complex process offers limited diagnostic and therapeutic advancements.

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Area of Science:

  • Immunology
  • Pathophysiology
  • Burn Medicine

Background:

  • Thermal injuries initiate a biphasic inflammatory response, progressing from pro-inflammation to anti-inflammation.
  • This response involves complex cellular interactions, notably macrophages, and molecular mediators like cytokines.
  • Significant physiological consequences include compromised cardiovascular homeostasis and increased endothelial permeability, negatively affecting patient prognosis.

Purpose of the Study:

  • To elucidate the intricate inflammatory mechanisms following thermal injury.
  • To understand the role of cellular and molecular factors in the inflammatory cascade.
  • To explore the impact of inflammation on cardiovascular function and patient outcomes.

Main Methods:

  • Review of existing literature on thermal injury and inflammatory responses.
  • Analysis of cellular and molecular pathways involved in post-burn inflammation.
  • Examination of physiopathological consequences on cardiovascular homeostasis and endothelial permeability.

Main Results:

  • Identified a two-phase inflammatory response: initial pro-inflammatory state leading to systemic inflammatory response syndrome, followed by an anti-inflammatory phase with impaired cellular immunity.
  • Highlighted the central role of macrophages and the interaction of cytokines in mediating the inflammatory cascade.
  • Demonstrated significant adverse effects on cardiovascular homeostasis and endothelial permeability, correlating with poorer prognosis.

Conclusions:

  • The inflammatory response to thermal injury is a complex, multi-faceted process with severe clinical implications.
  • Despite advances in understanding, current diagnostic and therapeutic strategies remain disappointing.
  • Further research is needed to translate mechanistic insights into effective clinical interventions.