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Updated: Feb 15, 2026

Long-Term Continuous Measurement of Renal Blood Flow in Conscious Rats
Published on: February 8, 2022
Blood Flow and Continuous EEG Changes during Symptomatic Plateau Waves
Natalie Kreitzer1, Maggie Huynh2, Brandon Foreman3
1Department of Emergency Medicine, University of Cincinnati, Cincinnati, OH 45267, USA. kreitzne@ucmail.uc.edu.
Abstract:
Benign meningiomas uncommonly lead to significant cerebral edema, with only a few cases previously reported in the medical literature. The present study describes the case of a 49-year-old female who had a meningioma resection. She subsequently developed malignant cerebral edema and had episodes that were initially concerning for seizure activity. However, transient blood flow changes concerning for intracranial pressure (ICP) crises, were demonstrated on electroencephalogram (EEG) as well as noninvasive cerebral blood flow monitoring. The present case highlights the importance of close monitoring in patients with post meningioma resection cerebral edema because of the possibility of ICP crises.
Insights
Meningioma resection can rarely cause severe brain swelling and intracranial pressure crises. Close monitoring is crucial for patients experiencing post-operative cerebral edema to detect these dangerous events.
Area of Science:
- Neurosurgery
- Neurology
- Pathophysiology
Background:
- Benign meningiomas rarely cause significant cerebral edema.
- Post-operative cerebral edema following meningioma resection is an uncommon complication.
Observation:
- A 49-year-old female developed malignant cerebral edema after meningioma resection.
- Initial symptoms were concerning for seizure activity.
- Transient blood flow changes indicated intracranial pressure (ICP) crises.
Findings:
- Electroencephalogram (EEG) and noninvasive cerebral blood flow monitoring revealed ICP crises.
- The patient's presentation highlighted a rare but serious complication of meningioma surgery.
Implications:
- Close patient monitoring is essential after meningioma resection, especially with cerebral edema.
- Early detection of ICP crises can prevent severe neurological outcomes.
- This case underscores the need for vigilance in managing post-operative cerebral edema.
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