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Related Concept Videos

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation (NIPPV)
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.
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Enhance airway patency
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Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
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Pneumonia IV: Management01:28

Pneumonia IV: Management

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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Updated: Jun 12, 2026

Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia
04:32

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

Published on: June 28, 2018

Intermittent subglottic secretion drainage and ventilator-associated pneumonia: a multicenter trial.

Jean-Claude Lacherade1, Bernard De Jonghe, Pierre Guezennec

  • 1Medicosurgical Intensive Care Unit, Poissy Saint-Germain Hospital, Poissy, France. jclacherade@chi-poissy-st-germain.fr

American Journal of Respiratory and Critical Care Medicine
|June 5, 2010
PubMed
Summary

Subglottic secretion drainage (SSD) significantly reduces ventilator-associated pneumonia (VAP) incidence in intubated patients. This intervention lowers the risk of VAP, including late-onset cases, offering a promising strategy for VAP prevention.

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Area of Science:

  • Critical Care Medicine
  • Infectious Disease Prevention
  • Respiratory Therapy

Background:

  • Ventilator-associated pneumonia (VAP) is a significant cause of patient morbidity and mortality.
  • The effectiveness of subglottic secretion drainage (SSD) in preventing VAP is debated.

Purpose of the Study:

  • To evaluate the efficacy of subglottic secretion drainage (SSD) in reducing the incidence of microbiologically confirmed ventilator-associated pneumonia (VAP).

Main Methods:

  • A randomized controlled trial involving 333 adult patients requiring mechanical ventilation for ≥48 hours.
  • Patients were assigned to intermittent SSD or a control group.
  • VAP diagnosis was based on quantitative culture of distal pulmonary samples.

Main Results:

  • Microbiologically confirmed VAP occurred in 14.8% of patients with SSD versus 25.6% in the control group (P=0.02), a 42.2% relative risk reduction.
  • SSD significantly reduced both early-onset VAP (1.2% vs 6.1%, P=0.02) and late-onset VAP (18.6% vs 33.0%, P=0.01).
  • No significant differences were found in mechanical ventilation duration or hospital mortality.

Conclusions:

  • Subglottic secretion drainage is an effective method for significantly reducing VAP incidence in mechanically ventilated patients.
  • SSD demonstrates particular benefit in preventing late-onset VAP.
  • The findings support the use of SSD as a VAP prevention strategy.