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Related Concept Videos

Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

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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...
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Ventilatory Modes01:14

Ventilatory Modes

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Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
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Full support modes include controlled mechanical ventilation, continuous mandatory...
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Mechanical Ventilation I: Indication and Settings01:29

Mechanical Ventilation I: Indication and Settings

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Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
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Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

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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...
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Pressure Relationships in Thoracic Cavity01:24

Pressure Relationships in Thoracic Cavity

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Breathing, otherwise known as pulmonary ventilation, is the process of air movement into and out of the lungs. The main mechanisms propelling pulmonary ventilation are atmospheric pressure (Patm), intra-pulmonary (Ppul ) or intra-alveolar pressure (Palv) within the alveoli, and intrapleural pressure (Pip) within the pleural cavity.
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs...
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Pulmonary Ventilation: Inhalation01:24

Pulmonary Ventilation: Inhalation

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Pulmonary ventilation is a vital process that ensures the exchange of oxygen and carbon dioxide in the lungs. It refers to the movement of air into and out of the lungs, enabling the body to obtain oxygen and remove waste carbon dioxide. In this article, we will explore the intricacies of pulmonary ventilation, including its underlying principles, mechanisms, and the interplay of pressures within the respiratory system.
Boyle's law becomes particularly pertinent when examining respiratory...
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Updated: Dec 27, 2025

Normothermic Negative Pressure Ventilation Ex Situ Lung Perfusion: Evaluation of Lung Function and Metabolism
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Driving pressure guided ventilation.

Hyun Joo Ahn1, MiHye Park1, Jie Ae Kim1

  • 1Department of Anesthesiology and Pain Medicine, Samsung Medical Center Sungkyunkwan University School of Medicine, Seoul, Korea.

Korean Journal of Anesthesiology
|February 27, 2020
PubMed
Summary

Protective ventilation uses small tidal volumes and PEEP. Driving pressure may be a better measure for lung protection, especially in thoracic surgery patients.

Keywords:
Driving pressurePositive end-expiratory pressurePostoperative complicationsProtective ventilation

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Area of Science:

  • Critical Care Medicine
  • Anesthesiology
  • Pulmonary Medicine

Background:

  • Protective ventilation, characterized by small tidal volumes, limited inspiratory pressure, and positive end-expiratory pressure (PEEP), is a common strategy.
  • Recent studies question the direct impact of tidal volume, inspiratory pressure, and PEEP on patient outcomes.
  • These parameters may only be relevant when they affect driving pressure.

Purpose of the Study:

  • To introduce the concept of driving pressure.
  • To explore driving pressure-guided ventilation as a novel strategy.
  • To assess its potential application in thoracic surgery to reduce postoperative pulmonary complications.

Main Methods:

  • Review of existing literature on protective ventilation and driving pressure.
  • Analysis of retrospective studies examining ventilatory parameters and patient outcomes.
  • Conceptual exploration of driving pressure-guided ventilation.

Main Results:

  • Driving pressure is proposed as a potentially more relevant metric than individual components of protective ventilation.
  • The influence of driving pressure on patient outcomes is highlighted.
  • The potential for driving pressure-guided ventilation in specific surgical contexts is suggested.

Conclusions:

  • Driving pressure may offer a more refined approach to lung protection during mechanical ventilation.
  • Ventilatory strategies guided by driving pressure warrant further investigation, particularly in high-risk surgical populations like thoracic surgery.
  • Optimizing lung protection is crucial for improving outcomes in patients undergoing thoracic procedures.