Results 151 to 160 of about 8,255 (190)

Comparison of computational fluid dynamics with transcranial Doppler ultrasound in response to physiological stimuli. [PDF]

Biomech Model Mechanobiol
Caddy HT, Thomas HJ, Kelsey LJ, Smith KJ, Doyle BJ, Green DJ.   +5 more
europepmc   +1 more source

Monitoring of Neuroendocrine Changes in Acute Stage of Severe Craniocerebral Injury by Transcranial Doppler Ultrasound Image Features Based on Artificial Intelligence Algorithm.

Comput Math Methods Med, 2021
Wang T, Chen Y, Du H, Liu Y, Zhang L, Meng M.   +5 more
europepmc   +1 more source

Reply to "Letter to the Editor: Imaging Transcranial Doppler Ultrasound: is it giving us an accurate picture of cerebral hemodynamics?"

Am J Physiol Regul Integr Comp Physiol, 2020
Jarrett CL, Richardson RS.
europepmc   +1 more source

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Cluster Headache: Transcranial Doppler Ultrasound and rCBF Studies

Cephalalgia, 1990
Transcranial Doppler and rCBF examinations were carried out in 25 cluster headache patients. Spontaneous and glyceryl trinitrate (nitroglycerin) provoked attacks were accompanied by a bilateral decrease in middle cerebral artery blood flow velocities.
A Dahl, K Rootwelt, R Nyberg-Hansen
exaly   +3 more sources

Transcranial Doppler ultrasound

Neurology, 1990
Summary and critique. Advantages of method. TCD is a noninvasive test effective in monitoring blood velocities in large intracranial arteries. It uses small, potentially portable, relatively inexpensive equipment. The test can be repeated and therefore allows the detection of changes over time and after various physiologic studies or pharmacologie ...
L R, Caplan, L M, Brass, L D, DeWitt, R J, Adams, C, Gomez, S, Otis, L R, Weschler, G M, von Reutern   +7 more
openaire   +2 more sources

Transcranial Doppler Ultrasound and Magnetoencephalography in Migraine

Journal of Neuroimaging, 1993
Eighty subjects‐30 migraineurs during the attack, 30 patients in the interictal period, and 20 healthy volunteers‐were studied using two technologies for functional assessment: transcranial Doppler ultrasound and magnetoencephalography. Transcranial Doppler studies showed an increased mean flow velocity at rest (p < 0.05) in the middle cerebral ...
K, Rieke, C C, Gallen, L, Baker, D J, Dalessio, B J, Schwartz, A K, Torruella, S M, Otis   +6 more
openaire   +2 more sources

Evaluation of cerebrovascular spasm with transcranial Doppler ultrasound

Journal of Neurosurgery, 1984
✓ The use of an ultrasonic transcranial Doppler technique for noninvasive evalution of cerebral vasospasm is described. Middle cerebral arteries (MCA's), classified as spastic on angiography, demonstrated blood-flow velocity between 120 and 230 cm/sec.
R, Aaslid, P, Huber, H, Nornes
openaire   +2 more sources

Noninvasive transcranial Doppler ultrasound in intracranial angiomas

Neurology, 1986
Transcranial Doppler ultrasound is a noninvasive method to evaluate flow velocities in the basal cerebral arteries. It can provide hemodynamic data like velocity distributions, intracranial steal phenomena, and functional stenoses in angiomas as illustrated in four patients.
A, Schwartz, M, Hennerici
openaire   +2 more sources

Brain embolism monitoring with transcranial Doppler ultrasound

Current Treatment Options in Cardiovascular Medicine, 2003
Embolism is considered to be the main mechanism leading to brain infarction today; with the introduction of sophisticated neuroimaging tools, its impact is increasingly appreciated. Transcranial Doppler ultrasound allows noninvasive monitoring of in vivo embolism.
Viken L., Babikian, Christine A., Wijman
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Transcranial Doppler Ultrasound

2017
The purpose of perioperative and critical care transcranial Doppler (TCD) ultrasonographic monitoring is to assess cerebral perfusion change. This is accomplished through noninvasive continuous measurement of blood flow-velocity within the largest intracranial blood vessels.
openaire   +1 more source