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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,...
Oxygen Delivering System III: Tracheostomy and T-piece01:23

Oxygen Delivering System III: Tracheostomy and T-piece

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

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

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, improving...
Endotracheal Tube Extubation01:24

Endotracheal Tube Extubation

Endotracheal tube extubation is a critical procedure in weaning patients from mechanical ventilation. It involves physically removing the oral or nasal endotracheal (ET) tube, marking the final step in liberating a patient from ventilatory support.
Procedure
Extubation removes the endotracheal tube (ETT) from the patient on mechanical ventilation. It requires a well-coordinated, multidisciplinary approach involving physicians, nurses, respiratory therapists, and other healthcare professionals.
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
Endotracheal Intubation I: Procedure01:15

Endotracheal Intubation I: Procedure

Endotracheal or ET intubation is a critical medical procedure used to secure a patient's airway, often in acute respiratory distress, apnea, upper airway obstruction, ineffective clearance of secretions, high risk for aspiration, or during general anesthesia.
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Updated: Jul 8, 2026

Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy
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[Long-term oxygen therapy].

Grégoire Gex1, Jean-Paul Janssens

  • 1Service de médecine interne générale, HUG, Genève. Gregoire.Gex@hcuge.ch

Revue Medicale Suisse
|December 28, 2007
PubMed
Summary
This summary is machine-generated.

Continuous long-term oxygen therapy significantly improves survival for hypoxemic chronic obstructive pulmonary disease patients. Prescription criteria include specific blood oxygen levels and certain clinical signs, with mobile oxygen for exercise hypoxemia.

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Published on: January 30, 2026

Area of Science:

  • Pulmonary Medicine
  • Respiratory Therapy

Background:

  • Chronic obstructive pulmonary disease (COPD) is a leading cause of respiratory morbidity and mortality.
  • Hypoxemia is a common complication in COPD, significantly impacting patient prognosis.
  • Long-term oxygen therapy (LTOT) is a cornerstone treatment for hypoxemic COPD patients.

Purpose of the Study:

  • To review the evidence supporting continuous long-term oxygen therapy in hypoxemic COPD patients.
  • To outline specific criteria for prescribing LTOT based on recent studies.
  • To discuss the benefits and indications for mobile oxygen therapy and address nocturnal hypoxemia management.

Main Methods:

  • Review of two key studies on continuous long-term oxygen therapy in COPD.
  • Analysis of prescription guidelines for hypoxemic COPD patients.
  • Discussion of different oxygen delivery methods for home use.

Main Results:

  • Continuous LTOT (> 15 h/d) significantly improves survival in hypoxemic COPD.
  • Prescription is indicated for stable patients with PaO2 < 7.3 kPa or PaO2 < 8 kPa plus edema, pulmonary hypertension, or elevated hematocrit.
  • Mobile oxygen therapy benefits patients with exercise-induced hypoxemia.

Conclusions:

  • Continuous LTOT is vital for survival in eligible hypoxemic COPD patients.
  • Specific PaO2 levels and clinical indicators guide LTOT prescription.
  • Mobile oxygen is beneficial for exercise hypoxemia; isolated nocturnal hypoxemia management is nuanced.