From shadows to light: navigating the rare complication of cerebral air embolism from a case report
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By
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Ying Zhu
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Guanghao Liao
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Liu Yang
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Han Duan
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Qi Zhu
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Huang Fang
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May 20, 2026
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Clinical Scorecard: Illuminating a Rare Complication: A Case Study on Iatrogenic Cerebral Air Embolism Following Lung Biopsy
At a Glance
| Category | Detail |
| Condition | |
| Key Mechanisms | |
| Target Population | Patients undergoing CT-guided percutaneous lung biopsy, particularly older adults with comorbidities. |
| Care Setting | |
Key Highlights
- Cerebral air embolism is a rare but severe complication of lung biopsy.
- Symptoms include sudden disturbance of consciousness and focal neurological deficits.
- Hyperbaric oxygen therapy shows significant neuroprotective effects.
- Early diagnosis and management are critical for improving outcomes, including timely imaging.
- The condition can lead to acute cerebral infarctions.
Guideline-Based Recommendations
Diagnosis
- Use non-contrast cranial CT to identify air bubbles.
- Perform diffusion-weighted MRI to assess for acute cerebral infarctions.
- Imaging should be conducted within hours of symptom onset.
Management
- Initiate 100% oxygen therapy and consider hyperbaric oxygen therapy.
- Manage seizures with appropriate antiseizure medications.
Monitoring & Follow-up
- Regular neurological assessments and imaging to monitor infarct progression.
Risks
- Potential for severe neurological deficits and poor prognosis.
Patient & Prescribing Data
Combination therapy for seizures and careful management of oxygen therapy are essential, particularly in patients with comorbidities.
Clinical Best Practices
- Maintain a high index of suspicion for cerebral air embolism in patients post-lung biopsy.
- Ensure timely imaging and intervention to mitigate neurological damage, including specific imaging modalities.
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