- Cerebral fat emboli monitoring using transcranial Doppler ultrasound and confirmation of a successful treatment response: a case report
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Morgan Jude, Ryan Martin, Ivy Nguyen, Christine Cocanour, Heather Nicoletto, Keyanna Raihani, Alicia Alley, Jeffrey R. Vitt
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Received October 25, 2024 Accepted January 5, 2025 Published online March 25, 2025
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DOI: https://doi.org/10.20408/jti.2024.0075
[Epub ahead of print]
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 Abstract
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- Fat emboli syndrome is a rare and potentially fatal condition that most commonly manifests after traumatic long-bone fractures. Cerebral fat emboli are one of the most feared complications leading to permanent neurologic injury, though methods for optimal monitoring in high-risk patients are lacking. We present a case of a 16-year-old female patient who presented to the emergency department following a motor vehicle collision with multiple injuries, including a comminuted femoral shaft and pelvic ring fracture, as well as an acute basilar artery occlusion due to fat embolism. Continuous transcranial Doppler ultrasound (TCD) of the bilateral middle cerebral arteries was utilized for emboli detection and evaluation of right-to-left shunt. The patient was found to have a high burden of microemboli on TCD in combination with a right-to-left shunt conferring increased risk of additional neurologic injury. Following surgical fixation of her orthopedic injuries, repeated TCD assessment demonstrated no further evidence of microemboli thus demonstrating efficacious response to definitive treatment. This report highlights the utility of TCD for early monitoring and detection of cerebral emboli in patients at risk for fat emboli syndrome as well as evaluating response to intervention.
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Summary
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