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Updated: May 6, 2026

Microvascular Decompression: Salient Surgical Principles and Technical Nuances
Published on: July 5, 2011
Acute brain swelling due to intraoperative supratentorial subdural hematoma during microvascular decompression: a
Jia Shi1, Jiachao Cao1, Qiang Zhou1
1Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China.
Background:
Microvascular decompression (MVD) is the primary treatment for cranial neurovascular compression syndromes. The most critical complication is hemorrhage during or after surgery. Although intraoperative supratentorial subdural hematoma (SDH) is uncommon, its management remains complex and lacks standardization.
Case Presentation:
We report a case of acute brain swelling caused by an intraoperative supratentorial subdural hematoma during microvascular decompression (MVD) for trigeminal neuralgia. By effectively managing intracranial pressure and preventing secondary brain injury, the operation was successfully completed, resulting in a favorable postoperative recovery for the patient.
Conclusion:
This study examines the presentation and management of acute brain swelling caused by intraoperative supratentorial subdural hematoma (SDH). We aim to highlight the importance of being vigilant for this rare complication during microvascular decompression (MVD), as it can result in fatal brain swelling and encephalocele. Preventing and managing this severe complication remains challenging.
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