Cerebral Vascular Disorder Clinical Trial
Official title:
Transcranial Doppler Ultrasound and Arterial Diseases: Description of Ultrasound Patterns in a Critically Ill Population Without Neurological Disorders.
Transcranial Doppler ultrasound is bedside tool use to assess cerebral blood perfusion in critically ill patients. We sought to conduct a prospective, single centre study aiming to determine whether chronic vascular diseases may be a confounder in transcranial Doppler ultrasound assessment in critically ill patients.
Intracranial hypertension is associated with altered transcranial doppler parameters measured
in the middle cerebral artery such as decreasing diastolic velocity and increasing
pulsatility index with higher intracranial pressure (ICP). Chronic vascular diseases in
modifying arterial resistance may interfere with transcranial Doppler ultrasound assessment
mimicking intracranial hypertension profile.
The aim of this prospective, single centre study enrolling critically ill patients without
any acute neurological disease is to to determine the pattern of transcranial Doppler
ultrasound variables amongst patients with and without chronic vascular diseases.
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