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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

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...
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,...
Hypoxia01:23

Hypoxia

Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
Administering Oxygen by Mask01:30

Administering Oxygen by Mask

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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Related Experiment Video

Updated: May 23, 2026

Fabrication and Operation of an Oxygen Insert for Adherent Cellular Cultures
11:56

Fabrication and Operation of an Oxygen Insert for Adherent Cellular Cultures

Published on: January 6, 2010

Hyperbaric oxygen therapy for chronic wounds.

Peter Kranke1, Michael H Bennett, Marrissa Martyn-St James

  • 1Department of Anaesthesia and Critical Care, University of Würzburg, Würzburg, Germany.peter.kranke@t-online.de.

The Cochrane Database of Systematic Reviews
|April 20, 2012
PubMed
Summary
This summary is machine-generated.

Hyperbaric oxygen therapy (HBOT) showed short-term healing benefits for diabetic foot ulcers but not long-term. More high-quality trials are needed to confirm HBOT

More Related Videos

A Simplified Technique for Producing an Ischemic Wound Model
12:00

A Simplified Technique for Producing an Ischemic Wound Model

Published on: May 2, 2012

Related Experiment Videos

Last Updated: May 23, 2026

Fabrication and Operation of an Oxygen Insert for Adherent Cellular Cultures
11:56

Fabrication and Operation of an Oxygen Insert for Adherent Cellular Cultures

Published on: January 6, 2010

A Simplified Technique for Producing an Ischemic Wound Model
12:00

A Simplified Technique for Producing an Ischemic Wound Model

Published on: May 2, 2012

Area of Science:

  • Medical research
  • Wound healing
  • Hyperbaric medicine

Background:

  • Chronic wounds significantly impact quality of life.
  • Poor blood supply and inadequate oxygenation impede wound healing.
  • Hyperbaric oxygen therapy (HBOT) is explored to enhance wound oxygenation and healing.

Purpose of the Study:

  • To evaluate the efficacy and safety of adjunctive HBOT for chronic lower limb ulcers.
  • To synthesize evidence from randomized controlled trials on HBOT for chronic wound treatment.

Main Methods:

  • Systematic review of randomized controlled trials (RCTs).
  • Searched multiple databases including Cochrane, MEDLINE, EMBASE, and CINAHL.
  • Independent data extraction and risk of bias assessment by three reviewers.

Main Results:

  • Nine RCTs (471 participants) were included; 8 focused on diabetic foot ulcers.
  • HBOT increased short-term (6-week) diabetic foot ulcer healing rates (RR 5.20) but not long-term.
  • No significant difference in major amputation rates; limited data on venous ulcers showed short-term benefit.

Conclusions:

  • HBOT offers short-term improvement for diabetic foot ulcers, but long-term benefits are uncertain.
  • Trial design and reporting flaws limit confidence in current findings.
  • Further adequately powered and unbiased RCTs are necessary to establish HBOT's role in chronic wound care.