Steady‐state haemoglobin (Hb) desaturation is a common finding in sickle cell anaemia (Hb
SS) that could predispose to stroke by limiting oxygen delivery to the brain. To determine its …

OBJECTIVE. High blood flow velocity in the middle cerebral artery or distal internal carotid
artery, as measured by nonduplex transcranial Doppler sonography, predicts stroke in …

BACKGROUND: The objective of this study is to examine the utility of acetazolamide TCD
ultrasound in the evaluation of MCA collateral blood flow reserve in patients with carotid …

Object. In many cases communicating hydrocephalus is the result of impairments in
cerebrospinal fluid absorption in the arachnoid villi at the cranial convexity. Reported …

Screening for vasospasm by multiple transcranial Doppler ultrasound examinations is a well-
established protocol in patients with subarachnoid hemorrhage. Ultrasound examinations …

Transcranial Doppler ultrasonography is essential in the management of children with sickle
cell anemia and is a valuable adjunct to the evaluation of a variety of intracranial …

Interventional neuroradiology is relatively safe in most of its applications. However, there is
some risk of producing new neurological deficits. These may result from the unintentional …

BACKGROUND: Sickle Cell Anaemia (SCA) or homozygosity for the sickle haemoglobin
gene (HbSS) is the most common genetic condition in the UK. A high prevalence of Sleep …

Children with sickle cell disease (SCD) have a significant risk of developing ischemic stroke,
with 11% of them suffering cerebrovascular injury by age 20. These strokes can lead to …

Caffeine is present in a variety of beverages and food and is widely consumed. Caffeine
causes a reduction in cerebral blood flow (CBF) in healthy individuals. A similar reduction in …