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Updated: May 14, 2026
09:41
Functional Transcranial Doppler Ultrasound for Monitoring Cerebral Blood Flow
Published on: March 15, 2021
Transcranial Doppler ultrasound: technique and application
Sushmita Purkayastha1, Farzaneh Sorond
1Institute for Aging Research, Hebrew SeniorLife, Boston, MA, USA.
Seminars in Neurology
|January 31, 2013
Summary
Transcranial Doppler (TCD) ultrasound offers noninvasive, real-time brain blood flow assessment. This technology aids in diagnosing cerebrovascular disorders and exploring new research applications for brain health.
Area of Science:
- Neurology
- Medical Imaging
- Vascular Ultrasound
Background:
- Transcranial Doppler (TCD) ultrasound is a rapid, noninvasive technique for real-time cerebrovascular assessment.
- It measures blood flow velocity in basal cerebral arteries, aiding in diagnosis and functional evaluation.
Purpose of the Study:
- To review the fundamental principles of TCD ultrasound.
- To summarize its established clinical utility in diagnosing cerebrovascular disorders.
- To provide an overview of current TCD research applications.
Main Methods:
- Review of existing literature on TCD principles and applications.
- Synthesis of clinical diagnostic uses.
- Exploration of research-based TCD investigations.
Main Results:
- TCD assesses relative flow changes, diagnoses stenosis, and detects emboli.
- It evaluates cerebral autoregulation, vasoreactivity, and neurovascular coupling.
- Established clinical uses include stroke, vasospasm, hemorrhage, and sickle cell disease diagnosis.
Conclusions:
- TCD ultrasound is a versatile tool for cerebrovascular assessment with broad clinical and research utility.
- Its applications in diagnosing and understanding brain conditions are continually expanding.
- This review highlights TCD's significance in neurology and vascular imaging.
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