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Related Concept Videos

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure01:16

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

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Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue,...
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Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

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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,...
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Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

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Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
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Administering Oxygen by Mask01:30

Administering Oxygen by Mask

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Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
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Oxygen Delivering System III: Tracheostomy and T-piece01:23

Oxygen Delivering System III: Tracheostomy and T-piece

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Oxygen delivery is critical in clinical care, especially for patients with respiratory disorders or those undergoing surgical procedures. Various systems, such as tracheostomy and the T-piece, deliver oxygen to the lungs, ensuring adequate arterial oxygenation.
Tracheostomy
A tracheostomy is a surgically created opening (stoma) in the anterior part of the trachea. It is used to establish a patient airway, bypass an upper airway obstruction, simplify the removal of secretions, permit long-term...
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Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

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The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
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Related Experiment Video

Updated: Mar 3, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
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Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation

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Home oxygen therapy: evidence versus reality.

F S Magnet1, J H Storre1,2, W Windisch1

  • 1a Department of Pneumology, Faculty of Health/School of Medicine, Cologne Merheim Hospital , Kliniken der Stadt Köln gGmbH, Witten/Herdecke University , Köln , Germany.

Expert Review of Respiratory Medicine
|April 30, 2017
PubMed
Summary

Long-term oxygen therapy (LTOT) improves survival in COPD patients, but its benefits for non-COPD patients are unclear. Recent studies show some COPD patients may not benefit from LTOT, questioning older guidelines.

Keywords:
COPDILDLong-term oxygen therapy (LTOT)ambulatory oxygen therapy (AOT)guidelinesnocturnal oxygen therapy (NOT)

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Area of Science:

  • Respiratory Medicine
  • Pulmonary Physiology
  • Critical Care

Background:

  • Long-term oxygen therapy (LTOT) is a standard treatment for hypoxemic patients.
  • Evidence for LTOT benefits primarily stems from 1980s trials in COPD patients, showing survival advantages with ≥15 hours/day use.
  • Benefits of LTOT in non-COPD patients remain under-researched, with recommendations often extrapolated from COPD studies.

Purpose of the Study:

  • To review the current evidence and guidelines for long-term oxygen therapy (LTOT).
  • To assess the continued validity of classic LTOT indications in light of modern treatment and recent trial data.
  • To highlight the lack of updated evidence for LTOT in severe hypoxemic patients.

Main Methods:

  • Literature research conducted using PubMed.
  • Search terms included: LTOT, ambulatory oxygen therapy, short burst oxygen therapy, nocturnal oxygen therapy.
  • Focus on home oxygen therapy and its application.

Main Results:

  • LTOT demonstrated a survival benefit in COPD patients approximately 30 years ago.
  • A recent large trial indicated that COPD patients not meeting classic criteria, with moderate desaturation, do not benefit from oxygen therapy.
  • Technical advancements in LTOT devices have improved usability.

Conclusions:

  • The long-term survival benefit of LTOT for COPD patients, established decades ago, requires re-evaluation under current treatment paradigms.
  • Classic LTOT indications persist in guidelines due to a lack of updated evidence, particularly for severe hypoxemic patients.
  • The efficacy of LTOT in non-COPD populations remains largely undetermined.