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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.
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Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
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Pneumothorax-I01:26

Pneumothorax-I

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A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
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Pneumothorax II: Pathophysiology01:08

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Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance...
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Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
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Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

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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.
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Middle ear barotrauma in hyperbaric oxygen therapy.

Marvin Heyboer1, Susan M Wojcik, William D Grant

  • 1Department of Emergency Medicine, SUNY Upstate Medical University, Syracuse, NY, USA. heyboerm@upstate.edu

Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc
|January 7, 2015
PubMed
Summary

Middle ear barotrauma (MEB) occurred in 43.2% of hyperbaric oxygen (HBO2) therapy patients. Most cases were minor, supporting HBO2 as a safe treatment, with no significant difference in MEB incidence across different compression rates.

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Area of Science:

  • Hyperbaric Medicine
  • Otolaryngology
  • Patient Safety

Background:

  • Middle ear barotrauma (MEB) is a frequent complication associated with hyperbaric oxygen (HBO2) therapy.
  • Understanding MEB incidence and risk factors is crucial for patient safety during HBO2 treatments.

Purpose of the Study:

  • To determine the overall incidence of MEB in patients undergoing HBO2 therapy.
  • To evaluate if different rates of compression (ROC) impact MEB incidence.
  • To identify other potential risk factors for MEB development.

Main Methods:

  • Retrospective chart review of patients undergoing HBO2 therapy at a level 1 trauma center.
  • Analysis of 4,981 treatments across 236 patients.
  • Determination of overall MEB incidence and incidence at various ROCs.

Main Results:

  • The overall incidence of MEB was 43.2%.
  • No statistically significant difference in MEB incidence was observed across different ROCs.
  • Intubated patients showed a significantly higher incidence of MEB (p < 0.0001).
  • 84% of MEB cases were classified as minor (TEED scores 1 or 2).

Conclusions:

  • The study's MEB incidence aligns with previous reports.
  • The high proportion of minor MEB cases suggests HBO2 is a safe treatment modality with minimal risk.
  • Standardizing treatment protocols to a ROC of 2 psi/minute is supported.