Applications of transcranial Doppler in the ICU: a review

White, Hayden and Venkatesh, Balasubramanian (2006) Applications of transcranial Doppler in the ICU: a review. Intensive Care Medicine, 32 7: 981-994.


Author White, Hayden
Venkatesh, Balasubramanian
Title Applications of transcranial Doppler in the ICU: a review
Journal name Intensive Care Medicine   Check publisher's open access policy
ISSN 0342-4642
1432-1238
Publication date 2006
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1007/s00134-006-0173-y
Volume 32
Issue 7
Start page 981
End page 994
Total pages 14
Editor L. Brochard
Place of publication Heidelberg, Germany
Publisher Springer
Collection year 2006
Language eng
Subject C1
321009 Intensive Care
730118 Organs, diseases and abnormal conditions not elsewhere classified
Abstract Objective: Transcranial Doppler (TCD) ultrasonography is a technique that uses a hand-held Doppler transducer (placed on the surface of the cranial skin) to measure the velocity and pulsatility of blood flow within the intracranial and the extracranial arteries. This review critically evaluates the evidence for the use of TCD in the critical care population. Discussion: TCD has been frequently employed for the clinical evaluation of cerebral vasospasm following subarachnoid haemorrhage (SAH). To a lesser degree, TCD has also been used to evaluate cerebral autoregulatory capacity, monitor cerebral circulation during cardiopulmonary bypass and carotid endarterectomies and to diagnose brain death. Technological advances such as M mode, colour Doppler and three-dimensional power Doppler ultrasonography have extended the scope of TCD to include other non-critical care applications including assessment of cerebral emboli, functional TCD and the management of sickle cell disease. Conclusions: Despite publications suggesting concordance between TCD velocity measurements and cerebral blood flow there are few randomized controlled studies demonstrating an improved outcome with the use of TCD monitoring in neurocritical care. Newer developments in this technology include venous Doppler, functional Doppler and use of ultrasound contrast agents.
Keyword Critical Care Medicine
Transcranial Doppler
Subarachnoid Haemorrhage
Intracranial Pressure
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: Excellence in Research Australia (ERA) - Collection
2007 Higher Education Research Data Collection
School of Medicine Publications
 
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Created: Wed, 15 Aug 2007, 08:26:17 EST