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Related Concept Videos

Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

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Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
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Asepsis01:28

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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.
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Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
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Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
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Pneumonia IV: Management01:28

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The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
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Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
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Related Experiment Video

Updated: Aug 3, 2025

Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression
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Macs-imizing sepsis protection.

Asha Pillai1

  • 1Global Development Scientific Council, Regeneron Therapeutics, Tarrytown, NY, USA.

Science Immunology
|April 7, 2023
PubMed
Summary

Interleukin-10 (IL-10) produced by CD169-positive macrophages is crucial for reducing mortality in sepsis. This macrophage-intrinsic IL-10 production offers a potential therapeutic target for sepsis treatment.

Area of Science:

  • Immunology
  • Infectious Diseases
  • Cell Biology

Background:

  • Sepsis is a life-threatening organ dysfunction caused by a dysregulated host response to infection.
  • Macrophages play a critical role in the immune response to sepsis, but their specific functions can be complex and context-dependent.
  • Interleukin-10 (IL-10) is a cytokine with known immunomodulatory functions, but its precise role in sepsis, particularly from specific macrophage subsets, requires further elucidation.

Purpose of the Study:

  • To investigate the specific role of CD169-positive (CD169+) macrophage-intrinsic production of Interleukin-10 (IL-10) in the context of sepsis.
  • To determine whether IL-10 produced directly by CD169+ macrophages impacts sepsis-induced mortality.

Main Methods:

  • Utilized mouse models of sepsis to assess mortality rates.

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  • Employed genetic manipulation to specifically ablate IL-10 production within CD169+ macrophages.
  • Quantified IL-10 levels and inflammatory markers in relevant tissues and serum.

    • Main Results:

    • Mice with ablated IL-10 production specifically in CD169+ macrophages exhibited significantly increased mortality during sepsis.
    • CD169+ macrophage-intrinsic IL-10 production was identified as a key protective mechanism against sepsis progression.
    • Reduced IL-10 levels from these macrophages correlated with heightened systemic inflammation.

    Conclusions:

    • The intrinsic production of IL-10 by CD169+ macrophages is essential for mitigating sepsis-induced mortality.
    • Targeting IL-10 production in CD169+ macrophages represents a promising therapeutic strategy for sepsis.
    • Understanding macrophage-specific cytokine production is vital for developing effective sepsis treatments.