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Pneumothorax ex vacuo

J H Woodring1, M D Baker, P Stark

  • 1Department of Diagnostic Radiology, University of Kentucky Medical Center, Lexington 40536-0084, USA.

Chest
|October 1, 1996
PubMed
Summary
This summary is machine-generated.

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Pneumothorax ex vacuo is a rare complication of lobar collapse. This condition involves gas entering the pleural space due to bronchial obstruction, resolving when the obstruction is cleared.

Area of Science:

  • Pulmonology
  • Thoracic Medicine
  • Critical Care

Background:

  • Lobar collapse can lead to rare complications.
  • Acute bronchial obstruction is a primary cause.

Observation:

  • Pneumothorax ex vacuo involves gas entering the pleural space around a collapsed lobe.
  • This occurs due to increased negative intrapleural pressure.
  • The pleural seal remains intact with adjacent lobes.

Findings:

  • Bronchial obstruction from mucous plugs, foreign bodies, or endotracheal tubes causes lobar collapse.
  • Gas is drawn into the pleural space, creating a pneumothorax.
  • The condition resolves spontaneously upon relief of bronchial obstruction and lobar reexpansion.

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Implications:

  • Accurate diagnosis is crucial for appropriate management.
  • Treatment should focus on relieving bronchial obstruction, not chest tube insertion.
  • Understanding this complication aids in patient care and outcomes.