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A Reproducible Intensive Care Unit-Oriented Endotoxin Model in Rats

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Published on: February 20, 2021

[Pathophysiology of septic shock].

Luis Chiscano-Camón¹, Erika Plata-Menchaca², Juan Carlos Ruiz-Rodríguez¹

¹Servicio de Medicina Intensiva, Hospital Universitario Vall d'Hebron, Barcelona, España; Grupo de Investigación Sepsis Organ Dysfunction and Resuscitation (SODIR), Vall d'Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d'Hebron, Barcelona, España; Departament de Medicina. Universitat Autònoma de Barcelona. Barcelona. España.

Medicina Intensiva

|February 10, 2024

Summary

Sepsis and septic shock involve organ dysfunction due to inadequate immune responses to infection. Endotoxin and coagulation activation are key in this inflammatory process, targeting the endothelium.

Keywords:

Citocina Cytokine Endotelio Endothelium Endotoxin Endotoxina Inflammatory response Microcirculación Microcirculation Respuesta inflamatoria Sepsis Septic shock Shock séptico

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Published on: December 9, 2022

Area of Science:

Pathophysiology of infectious diseases
Immunology and inflammation
Vascular biology

Context:

Sepsis and septic shock are life-threatening conditions characterized by organ dysfunction.
The progression involves distinct clinical stages driven by inflammatory mediators.
Gram-negative bacterial infections highlight the role of endotoxin in initiating sepsis.

Purpose:

To elucidate the complex mechanisms underlying sepsis progression.
To emphasize the critical roles of endotoxin and coagulation in sepsis pathogenesis.
To highlight the endothelium as a primary target in sepsis.

Summary:

Sepsis arises from an insufficient host response to infection, leading to organ dysfunction.
Endotoxin from gram-negative bacteria significantly triggers the inflammatory cascade.
Coagulation pathway activation is an immune response, with the endothelium being a key site of damage.

Impact:

Understanding these pathways is crucial for developing targeted sepsis therapies.
Identifying key mediators like endotoxin and coagulation factors can improve diagnostic and treatment strategies.
Focusing on endothelial protection may mitigate organ dysfunction in sepsis patients.