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Related Concept Videos

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
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
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...
Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
Pneumonia V: Nursing management and Prevention01:30

Pneumonia V: Nursing management and Prevention

Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed.
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...

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Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
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Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia

Published on: June 28, 2018

Objective surveillance definitions for ventilator-associated pneumonia.

Michael Klompas1, Shelley Magill, Ari Robicsek

  • 1Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA. mklompas@partners.org

Critical Care Medicine
|September 20, 2012
PubMed
Summary

Developing objective definitions for ventilator-associated pneumonia (VAP) is crucial for quality improvement. Objective definitions incorporating respiratory deterioration predict longer hospital stays and mortality, aiding patient safety initiatives.

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Area of Science:

  • Critical Care Medicine
  • Infectious Disease Epidemiology
  • Healthcare Quality Improvement

Background:

  • Current ventilator-associated pneumonia (VAP) surveillance definitions are subjective and hinder quality improvement.
  • Objective definitions are needed for reliable benchmarking and patient safety initiatives.

Purpose of the Study:

  • To explore the feasibility of creating objective surveillance definitions for VAP.
  • To assess the association of these objective definitions with adverse patient outcomes.

Main Methods:

  • Evaluated 32 candidate definitions using retrospective data from 8,735 adult mechanical ventilation episodes across 8 U.S. hospitals.
  • Definitions incorporated signs like respiratory deterioration, abnormal temperature, white blood cell count, and purulent secretions.
  • Multivariate regression models analyzed associations with outcomes like increased ventilator days, hospital days, and mortality.

Main Results:

  • All candidate definitions correlated with increased hospital and ventilator days.
  • Definitions requiring objective respiratory deterioration were significantly linked to increased hospital mortality (ORs 1.9-6.1).
  • Adding more clinical signs reduced event rates but diminished predictive value for mortality.

Conclusions:

  • Objective VAP surveillance definitions, particularly those including quantitative respiratory deterioration, effectively predict increased length of stay and hospital mortality.
  • These definitions show promise for enhancing hospital quality and patient safety programs.