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Related Experiment Videos

Acute postobstructive pulmonary edema

T N Guffin1, G Har-el, A Sanders

  • 1State University of New York Health Science Center at Brooklyn.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|February 1, 1995
PubMed
Summary
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Acute postobstructive pulmonary edema can occur after airway obstruction. This condition arises from pressure changes that increase pulmonary blood flow, leading to fluid buildup in the lungs.

Area of Science:

  • Pulmonary Medicine
  • Critical Care Medicine

Background:

  • Acute postobstructive pulmonary edema is a potential complication following airway obstruction.
  • Physiological changes, including decreased intrathoracic and intraalveolar pressures, contribute to its development.

Purpose of the Study:

  • To describe the mechanisms underlying acute postobstructive pulmonary edema.
  • To differentiate between types of acute postobstructive pulmonary edema based on obstruction timing.

Main Methods:

  • Review of physiological principles related to airway obstruction and pulmonary edema.
  • Classification of acute postobstructive pulmonary edema into two proposed types.

Main Results:

  • Decreased intrathoracic and intraalveolar pressures lead to increased pulmonary vascular blood flow.

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  • This increased flow favors the development of pulmonary edema.

    • Conclusions:

    • Acute postobstructive pulmonary edema can develop after acute airway obstruction (Type 1).
    • It can also occur following the relief of chronic airway obstruction (Type 2).