Air Embolism Management in Clinical Settings
Summary
Air embolism represents the inadvertent introduction of gas bubbles into the vascular system, with potential to obstruct blood flow and precipitate life-threatening complications. Effective management encompasses rapid recognition, immediate supportive measures and definitive therapies. Initial steps include placing the patient in the left lateral decubitus and Trendelenburg positions to trap air in the right atrium and prevent cerebral migration. High-flow oxygen and haemodynamic support mitigate tissue hypoxia and maintain perfusion. In cases of arterial gas embolism or severe venous events, hyperbaric oxygen therapy is the treatment of choice, accelerating bubble resolution and reducing ischaemic injury. Central venous catheter management protocols, meticulous line handling and saline flush techniques are essential preventive measures. Imaging modalities such as computed tomography enable confirmation of air distribution, guiding aspiration and further intervention. Recent advances have emphasised a better understanding of endothelial responses to gas bubbles, optimised timing of hyperbaric therapy and refinements in procedural techniques to reduce iatrogenic risk. Global dissemination of standardised protocols has improved outcomes, while ongoing research seeks novel pharmacological adjuncts to attenuate thromboinflammatory sequelae.
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Air Embolism Management in Clinical Settings publication trend
The graph below shows the total number of articles in air embolism management in clinical settings across all publications each year (not limited to Nature Index journals).
Technical terms
Air embolism: The presence of gas bubbles within the vascular system that can block blood flow and cause ischaemia.
Hyperbaric oxygen therapy (HBOT): Treatment involving inhalation of 100% oxygen at pressures greater than atmospheric, promoting gas bubble resorption and tissue oxygenation.
Thromboinflammation: The interplay between coagulation activation and inflammatory responses at the endothelial interface following vascular injury.
Venous air embolism: Air bubbles entering the venous circulation, potentially causing pulmonary obstruction or paradoxical arterial embolisation.
Saline test injection: Rapid injection of saline used to clear air from intravenous lines and confirm proper catheter placement, thereby reducing air entry.
References
- Early hyperbaric oxygen therapy is associated with favorable outcome in patients with iatrogenic cerebral arterial gas embolism: systematic review and individual patient data meta-analysis of observational studies. Critical Care (2023).
- Iatrogenic air embolism: pathoanatomy, thromboinflammation, endotheliopathy, and therapies. Frontiers in Immunology (2023).
- Reduction of venous air embolism in coronary computed tomography angiography using a modified method of saline test injection. BMC Medical Imaging (2023).
- Air Embolism: Practical Tips for Prevention and Treatment. Journal of Clinical Medicine (2016).
- Air Embolism: Diagnosis, Clinical Management and Outcomes. Diagnostics (2017).
About these summaries
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