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Updated: Jun 17, 2026

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Functional Transcranial Doppler Ultrasound for Monitoring Cerebral Blood Flow
Published on: March 15, 2021
Transcranial Doppler series part IV: case studies
Heather A Nicoletto1, Marilyn H Burkman
1Neurodiagnostic Laboratory, Duke University Hospital, Durham, North Carolina, USA.
Summary
Transcranial Doppler (TCD) is a challenging ultrasound technique. Understanding cerebral hemodynamics is crucial for interpreting TCD studies, aiding in diagnosing conditions like vasospasm and sickle cell vasculopathy.
Area of Science:
- Neurosonology
- Cerebrovascular Ultrasound
- Hemodynamic Assessment
Background:
- Transcranial Doppler (TCD) is technically demanding.
- Proficiency in cerebral hemodynamics is essential for accurate TCD interpretation.
Observation:
- Common TCD applications include evaluating vasospasm post-subarachnoid hemorrhage and sickle cell vasculopathy.
- TCD also detects vessel stenosis, occlusion, collateral flow, arteriovenous malformations, and confirms cerebral circulatory arrest.
Findings:
- Case studies illustrate key hemodynamic parameters for TCD interpretation.
- The study emphasizes the practical application of hemodynamic principles in TCD.
Implications:
- Improved understanding of TCD hemodynamics can enhance diagnostic accuracy.
- This knowledge is vital for neurologists and sonographers managing cerebrovascular diseases.
- Accurate TCD interpretation facilitates timely and appropriate patient management.
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