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Related Concept Videos

Asepsis01:28

Asepsis

The condition of being free from disease-causing living pathogens is asepsis. Aseptic techniques include a set of standard practices to achieve asepsis. An example is the regular environmental cleaning of all parts of the healthcare facility and hand hygiene at home before preparing or eating food. Medical and surgical asepsis in healthcare practice protects patients from harmful pathogens, minimizes the risk of contamination of susceptible sites, and reduces the risk of infection transmission.
History of Microbiology01:28

History of Microbiology

Microbiology, a scientific field dedicated to the study of microorganisms, has undergone profound development since its inception in the 17th century. Its history is marked by key discoveries and technological advancements that have shaped our understanding of life at the microscopic level and transformed medicine, agriculture, and industry.Early Foundations of MicrobiologyThe early foundations of microbiology were built on groundbreaking observations and the development of pioneering...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
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Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...

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Updated: May 21, 2026

A Data-Driven Approach to Quantifying Immune States in Sepsis
07:42

A Data-Driven Approach to Quantifying Immune States in Sepsis

Published on: February 7, 2025

A historical perspective on sepsis.

Peter A Ward1, Markus Bosmann

  • 1Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109-5602, USA. pward@med.umich.edu

The American Journal of Pathology
|May 31, 2012
PubMed
Summary
This summary is machine-generated.

Sepsis affects 700,000 North Americans annually, with high mortality. This review explores sepsis mechanisms, complications, and treatment barriers, highlighting the need for improved strategies.

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Last Updated: May 21, 2026

A Data-Driven Approach to Quantifying Immune States in Sepsis
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Published on: February 7, 2025

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Area of Science:

  • Pathology
  • Immunology
  • Critical Care Medicine

Background:

  • Sepsis is a life-threatening condition with high mortality rates in North America.
  • Despite extensive research, understanding sepsis mechanisms and complications remains incomplete.
  • Existing treatment strategies face significant barriers, necessitating further investigation.

Purpose of the Study:

  • To review current understanding of sepsis mechanisms.
  • To identify barriers in sepsis treatment and management.
  • To explore strategies for avoiding and treating sepsis-related complications.

Main Methods:

  • Historical perspective and literature review.
  • Analysis of mechanistic insights from experimental rodent models.
  • Examination of human sepsis data and clinical observations.

Main Results:

  • Sepsis involves complex pathophysiological mechanisms.
  • Significant gaps exist in understanding sepsis-induced organ dysfunction.
  • Current treatment approaches are limited by incomplete mechanistic knowledge.

Conclusions:

  • Further research is crucial to elucidate sepsis pathogenesis.
  • Overcoming treatment barriers requires a deeper understanding of sepsis mechanisms.
  • Developing effective strategies to prevent and manage sepsis complications is a critical unmet need.