Key result
TCD is a validated stroke prevention tool for detecting intracranial stenosis, right-to-left shunts, and microemboli.
Why the study?
Transcranial Doppler is useful in stroke prevention for diagnosis of intracranial stenosis, detection of right-to-left shunt, and detection of microemboli in carotid stenosis patients.
What are the clinical uses of Transcranial Doppler in stroke prevention?
What are the clinical uses of Transcranial Doppler in stroke prevention?
Transcranial Doppler is a valuable diagnostic tool in stroke prevention, particularly for detecting right-to-left shunts and identifying high-risk patients with asymptomatic carotid stenosis.
May support TCD for shunt detection and carotid risk stratification; leaves open prospective trials before practice change.
Transcranial Doppler (TCD) is useful in stroke prevention for at least three purposes: diagnosis of intracranial stenosis, detection of right-to-left shunt in patients with suspected paradoxical embolism, and detection of microemboli in patients with carotid stenosis. Other uses may include assessment of cerebral blood flow, which is not discussed in this review. TCD saline studies are more sensitive than transesophageal echocardiography, and more strongly predictive of risk of recurrent events. TCD embolus detection is the best-validated method for identifying among patients with asymptomatic carotid stenosis the few who could benefit from carotid endarterectomy or stenting.
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J. David Spence (2015) conducted a review in Stroke prevention. Transcranial Doppler (TCD) was evaluated. Transcranial Doppler is a sensitive and validated method for stroke prevention, specifically for diagnosing intracranial stenosis, right-to-left shunts, and microemboli in carotid stenosis.
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