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Tension pneumothorax complicating apnea testing during brain death evaluation
Joseph D Burns1, James A Russell
1Department of Neurology, Lahey Clinic Medical Center, Burlington, MA 01805, USA. joseph.burns@lahey.org
Summary
Tension pneumothorax is a rare complication during apnea tests. Direct airway perforation by oxygen cannulas can cause this serious condition, necessitating preventative measures.
Area of Science:
- Pulmonology
- Critical Care Medicine
- Anesthesiology
Background:
- The apnea test with apneic oxygenation is used to assess respiratory function.
- Complications like air trapping have been reported with this method.
Observation:
- A case of tension pneumothorax, pneumomediastinum, and pneumoperitoneum occurred during an apnea test.
- The complication was directly caused by the supplemental oxygen cannula perforating the airway.
Findings:
- This case highlights direct airway perforation as a cause of severe complications during apnea testing.
- Massive air trapping is a previously recognized, but distinct, mechanism.
Implications:
- Clinicians should be aware of the risk of direct airway injury from oxygen cannulas during apnea tests.
- Reviewing and refining techniques for supplemental oxygen delivery during apnea tests is crucial to prevent catastrophic airway complications.
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Pneumothorax-I
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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