Predictors and outcomes of shunt-dependent hydrocephalus in patients with aneurysmal sub-arachnoid hemorrhage | BMC Surgery |...Predictors and outcomes of shunt-dependent hydrocephalus in patients with aneurysmal sub-arachnoid hemorrhage | BMC Surgery |...

... of focal neurologic signs or deterioration in conscious state and evidence of vasospasm or presence of stenotic flow velocity ... Some studies show that the amount of blood in the sub-arachnoid space has special significance [5, 7] while the current study ... Re-bleeding was defined as sudden deterioration of the clinical state accompanied by new or increased blood on brain CT scan [9 ... Some authors suggest that the presence of blood clots and high CSF viscosity can lead to an obstructive form of hydrocephalus ...
more infohttps://bmcsurg.biomedcentral.com/articles/10.1186/1471-2482-12-12

Search Results for blood flow velocity | jnsSearch Results for "blood flow velocity" | jns

V max = maximum blood flow velocity, V mean = mean of velocities across vessel lumen. See Fig. 3 for an angiogram of these two ... Blood flow velocity was studied in each common carotid artery. When the inspiratory gas was changed from 100% O 2 to 5% CO 2 in ... If one assumes an internal diameter of 4 mm, the calculated mean blood flow velocity within the vessel is 50 cm/sec. This ... as a function of mean blood flow velocity. Nature 227 : 926 - 930 , 1970 Begent N, Born GVR: Growth rate in vivo of platelet ...
more infohttps://thejns.org/search?q=%22blood%20flow%20velocity%22

Hemorrhage, Phenobarbital, and Fluctuating Cerebral Blood Flow Velocity in the Neonate | Articles | PediatricsHemorrhage, Phenobarbital, and Fluctuating Cerebral Blood Flow Velocity in the Neonate | Articles | Pediatrics

Hemorrhage, Phenobarbital, and Fluctuating Cerebral Blood Flow Velocity in the Neonate. Karl C. K. Kuban, Helen Skouteli, Allen ... Hemorrhage, Phenobarbital, and Fluctuating Cerebral Blood Flow Velocity in the Neonate. Karl C. K. Kuban, Helen Skouteli, Allen ... Hemorrhage, Phenobarbital, and Fluctuating Cerebral Blood Flow Velocity in the Neonate Message Subject (Your Name) has sent you ...
more infohttp://pediatrics.aappublications.org/content/82/4/548..info

Altered cerebral blood flow velocity features in fibromyalgia patients in resting-state conditionsAltered cerebral blood flow velocity features in fibromyalgia patients in resting-state conditions

The aim of this study is to characterize in resting-state conditions the cerebral blood flow velocity (CBFV) signals of ... Blood flow Is the Subject Area "Blood flow" applicable to this article? Yes. No. ...
more infohttp://journals.plos.org/plosone/article?id=10.1371/journal.pone.0180253

Laboratory and Genetic Biomarkers Associated with Cerebral Blood Flow Velocity in Hemoglobin SC DiseaseLaboratory and Genetic Biomarkers Associated with Cerebral Blood Flow Velocity in Hemoglobin SC Disease

... Rayra Pereira Santiago ... sickle erythrocytes decrease cerebral blood flow in rats after nitric oxide synthase inhibition," Blood, vol. 89, no. 12, pp. ... R. L. Nagel, M. E. Fabry, and M. H. Steinberg, "The paradox of hemoglobin SC disease," Blood Reviews, vol. 17, no. 3, pp. 167- ... C. Vieira, C. N. Oliveira, L. A. Figueiredo et al., "Transcranial Doppler in hemoglobin SC disease," Pediatric Blood & Cancer, ...
more infohttps://www.hindawi.com/journals/dm/2017/6359871/ref/

Cerebral Blood Flow Velocity and Periventricular White Matter Hyperintensities in Type 2 Diabetes | Diabetes CareCerebral Blood Flow Velocity and Periventricular White Matter Hyperintensities in Type 2 Diabetes | Diabetes Care

... and blood-brain barrier permeability, thus affecting regional metabolism and blood flow regulation (4). Xenon blood flow (5) ... The aim of this study was to assess the effects of type 2 diabetes on blood flow velocities (BFVs) in the middle cerebral ... Cerebral Blood Flow Velocity and Periventricular White Matter Hyperintensities in Type 2 Diabetes. ... Cerebral Blood Flow Velocity and Periventricular White Matter Hyperintensities in Type 2 Diabetes ...
more infohttp://care.diabetesjournals.org/content/29/7/1529

Recent advances in blood flow vector velocity imaging - DTU OrbitRecent advances in blood flow vector velocity imaging - DTU Orbit

Recent advances in blood flow vector velocity imaging. Publication: Research - peer-review › Article in proceedings - Annual ... Several vector velocity image sequences of complex flow were acquired, which demonstrates the benefits of fast vector flow ... Aortic Valve Stenosis Increases Helical Flow and Flow Complexity: A Study of Intra-operative Cardiac Vector Flow Imaging. ... Accuracy and Precision of Plane Wave Vector Flow Imaging for Laminar and Complex Flow In Vivo. Publication: Research - peer- ...
more infohttp://orbit.dtu.dk/en/publications/recent-advances-in-blood-flow-vector-velocity-imaging

Brachial artery hyperemic blood flow velocities are related to carotid atherosclerosisBrachial artery hyperemic blood flow velocities are related to carotid atherosclerosis

1. Hyperemic Brachial Artery Blood Flow Velocity. Open this publication in new window or tab ,,Hyperemic Brachial Artery Blood ... Systolic blood flow velocity was positively related to cardiovascular risk whereas the diastolic velocity was inversely ... Brachial artery hyperemic blood flow velocities are related to carotid atherosclerosis. Järhult, Susann J. Uppsala University, ... Doppler recordings of blood flow velocity during hyperemia were analysed in the brachial artery. In the carotid artery, intima- ...
more infohttp://uu.diva-portal.org/smash/record.jsf?pid=diva2:317246

Carotid Velocities Determine Cerebral Blood Flow Deficits in Elderly Men with Carotid Stenosis |50%Carotid Velocities Determine Cerebral Blood Flow Deficits in Elderly Men with Carotid Stenosis |50%

Carotid Velocities Determine Cerebral Blood Flow Deficits in Elderly Men with Carotid Stenosis ,50%. Arkadiusz Siennicki-Lantz, ... C. H. Bai, J. R. Chen, H. C. Chiu, and W. H. Pan, "Lower blood flow velocity, higher resistance index, and larger diameter of ... Table 2: Correlation coefficients between peak systolic velocity in right/left ICA and cerebral blood flow estimated in several ... Table 3: Partial correlation coefficients between peak systolic velocity in right/left ICA and cerebral blood flow, controlled ...
more infohttps://www.hindawi.com/journals/ijvm/2012/579531/

Dynamic Regulation of Middle Cerebral Artery Blood Flow Velocity in Aging and Hypertension | StrokeDynamic Regulation of Middle Cerebral Artery Blood Flow Velocity in Aging and Hypertension | Stroke

Diehl RR, Linden D, Lucke D, Berlit P. Phase relationship between cerebral blood flow velocity and blood pressure: a clinical ... The change in flow velocity relative to the change in pressure was determined by dividing individual changes in flow velocity ... Dynamic Regulation of Middle Cerebral Artery Blood Flow Velocity in Aging and Hypertension. Lewis A. Lipsitz, Seiji Mukai, ... Continuous BP (top panels) and MCA blood flow velocity (bottom panels) waveforms during 15 seconds of sitting and 25 seconds of ...
more infohttp://stroke.ahajournals.org/content/31/8/1897

Neonatal cerebral blood flow velocity responses to changes in posture. | Archives of Disease in ChildhoodNeonatal cerebral blood flow velocity responses to changes in posture. | Archives of Disease in Childhood

A study was carried out using Doppler ultrasound measurements of cerebral blood flow velocities (CBFV) as an indicator of ... Maintaining a constant cerebral blood flow during a change in cerebral perfusion pressure is known as autoregulation. The ... An informative response in CBFV was considered to be either (a) a uniphasic, immediate, passive alteration in velocity ...
more infohttp://adc.bmj.com/content/69/3_Spec_No/304

The utility of using the bispectral index-Vista for detecting cross-clamping decline in cerebral blood flow velocity.  - PubMed...The utility of using the bispectral index-Vista for detecting cross-clamping decline in cerebral blood flow velocity. - PubMed...

The utility of using the bispectral index-Vista for detecting cross-clamping decline in cerebral blood flow velocity.. Dahaba ... a shunt consisted of a decline in transcranial Doppler ultrasonography-measured middle cerebral artery blood flow velocity ( ...
more infohttps://www.ncbi.nlm.nih.gov/pubmed/20679941

Blood flow velocity in the uterine and ovarian arteries during the normal menstrual cycleBlood flow velocity in the uterine and ovarian arteries during the normal menstrual cycle

... Sladkevicius, Povilas LU ; Valentin ... Doppler ultrasound, blood flow velocity, menstrual cycle. in Ultrasound in Obstetrics & Gynecology. volume. 3. issue. 3. pages ... blood flow velocity,menstrual cycle}, language = {eng}, number = {3}, pages = {199--208}, publisher = {John Wiley & Sons}, ... series = {Ultrasound in Obstetrics & Gynecology}, title = {Blood flow velocity in the uterine and ovarian arteries during the ...
more infohttps://lup.lub.lu.se/search/publication/1107482

Regadenoson, a selective A2A adenosine receptor agonist, causes dose-dependent increases in coronary blood flow velocity in...Regadenoson, a selective A2A adenosine receptor agonist, causes dose-dependent increases in coronary blood flow velocity in...

... a selective A2A adenosine receptor agonist and vasodilator used to increase the heterogeneity of distribution of coronary blood ... flow during myocardial perfusion imaging. This study characterized the dose dependence of regad ... central aortic blood pressure, and adverse effects were recorded. Regadenoson increased peak blood flow velocity by up to 3.4- ... Blood Flow Velocity / drug effects*. Coronary Circulation / drug effects*. Dose-Response Relationship, Drug. Female. Humans. ...
more infohttp://www.biomedsearch.com/nih/Regadenoson-selective-A2A-adenosine-receptor/17679059.html

Relation between blood flow velocities in the ophthalmic artery and in nailfold capillaries | British Journal of OphthalmologyRelation between blood flow velocities in the ophthalmic artery and in nailfold capillaries | British Journal of Ophthalmology

The results suggest a relation between nailfold capillary blood cell velocity and blood flow velocity in the ophthalmic artery ... The relatively constant blood flow during the diastole might predict more closely blood cell velocity in the capillary bed. ... However, RI is not a measure of velocity. PSV represents a unique event in arterial blood flow, and, possibly, capillary blood ... 4 The velocities measured in each visible vessel were averaged. Blood flow velocity in the ophthalmic arteries was assessed by ...
more infohttp://bjo.bmj.com/content/83/4/501.7

Phasic blood flow velocity pattern in epimyocardial microvessels in the beating canine left ventricle. | Circulation ResearchPhasic blood flow velocity pattern in epimyocardial microvessels in the beating canine left ventricle. | Circulation Research

Phasic blood flow velocity pattern in epimyocardial microvessels in the beating canine left ventricle.. K Ashikawa, H Kanatsuka ... Phasic blood flow velocity pattern in epimyocardial microvessels in the beating canine left ventricle. ... Phasic blood flow velocity pattern in epimyocardial microvessels in the beating canine left ventricle. ... Phasic blood flow velocity pattern in epimyocardial microvessels in the beating canine left ventricle. ...
more infohttp://circres.ahajournals.org/content/59/6/704

Quantification of pulmonary and systemic blood flow by magnetic resonance velocity mapping in the assessment of atrial-level...Quantification of pulmonary and systemic blood flow by magnetic resonance velocity mapping in the assessment of atrial-level...

... velocity mapping to calculate pulmonary-to-systemic flow ratio (Qp : Qs) in patients with a suspected... ... Quantification of pulmonary and systemic blood flow by magnetic resonance velocity mapping in the assessment of atrial-level ... MR velocity mapping offers an accurate method to measure aortic and pulmonary artery volume flow that can be useful in the ... atrial septal defect intracardiac shunt blood flow magnetic resonance imaging This is a preview of subscription content, log in ...
more infohttps://link.springer.com/article/10.1007%2FBF01806217

Changes in cerebral artery blood flow velocity after intermittent cerebrospinal fluid drainage. | Archives of Disease in...Changes in cerebral artery blood flow velocity after intermittent cerebrospinal fluid drainage. | Archives of Disease in...

Doppler ultrasound was used to measure blood flow velocity in the anterior cerebral artery of six premature infants with ... There was a significant increase in mean blood flow velocity after the drainage procedures (+5.6 cm/s, 95% confidence interval ... Changes in cerebral artery blood flow velocity after intermittent cerebrospinal fluid drainage. ... Changes in cerebral artery blood flow velocity after intermittent cerebrospinal fluid drainage. ...
more infohttp://adc.bmj.com/content/69/1_Spec_No/74

Contribution of von Willebrand Factor to Thrombus Formation on Neointima of Rabbit Stenotic Iliac Artery Under High Blood-Flow...Contribution of von Willebrand Factor to Thrombus Formation on Neointima of Rabbit Stenotic Iliac Artery Under High Blood-Flow...

... of von Willebrand Factor to Thrombus Formation on Neointima of Rabbit Stenotic Iliac Artery Under High Blood-Flow Velocity. ... of von Willebrand Factor to Thrombus Formation on Neointima of Rabbit Stenotic Iliac Artery Under High Blood-Flow Velocity ... of von Willebrand Factor to Thrombus Formation on Neointima of Rabbit Stenotic Iliac Artery Under High Blood-Flow Velocity ... of von Willebrand Factor to Thrombus Formation on Neointima of Rabbit Stenotic Iliac Artery Under High Blood-Flow Velocity ...
more infohttp://atvb.ahajournals.org/content/early/2003/05/15/01.ATV.0000077206.35631.B2

Functional assessment of coronary artery stenosis by Doppler derived absolute and relative coronary blood flow velocity reserve...Functional assessment of coronary artery stenosis by Doppler derived absolute and relative coronary blood flow velocity reserve...

Intracoronary blood flow velocity reserve analysis is a sensitive technique for the detection of changes in blood flow. However ... CORONARY FLOW VELOCITY ANALYSIS. Coronary blood flow velocity measurements were performed with a Doppler angioplasty guide wire ... Blood flow velocities, using average peak velocity, were recorded at baseline and during hyperaemia. Hyperaemia was induced by ... Experimental data have shown that coronary flow velocity reserve (CFVR), the ratio of maximal to resting blood flow, is a ...
more infohttps://heart.bmj.com/content/82/4/509

Teaching Video NeuroImages: High blood flow velocity in the parent artery prior to basilar tip aneurysm rupture | NeurologyTeaching Video NeuroImages: High blood flow velocity in the parent artery prior to basilar tip aneurysm rupture | Neurology

4D-flow MRI can provide comprehensive hemodynamics with accurate blood flow and velocity.2 MMD-derived concentrated inflow jet ... demonstrates blood flow direction (arrow). Velocity diagram (E, F) demonstrates maximum velocity variation throughout cardiac ... Teaching Video NeuroImages: High blood flow velocity in the parent artery prior to basilar tip aneurysm rupture. Fei Peng, ... Teaching Video NeuroImages: High blood flow velocity in the parent artery prior to basilar tip aneurysm rupture ...
more infohttps://n.neurology.org/content/93/23/1018

Comparison of phasic blood flow velocity characteristics of arterial and venous coronary artery bypass conduits. - Semantic...Comparison of phasic blood flow velocity characteristics of arterial and venous coronary artery bypass conduits. - Semantic...

To quantitate coronary bypass conduit flow velocity, we examined the phasic blood flow velocity patterns by intravascular ... CONCLUSIONS Patterns of resting phasic blood flow, as well as mean velocity and total velocity integral, differ significantly ... METHODS AND RESULTS Spectral phasic blood flow velocity was measured using an intravascular Doppler-tipped angioplasty ... Mean flow velocities, total velocity integral, and calculated maximal shear rates were significantly higher in all segments of ...
more infohttps://www.semanticscholar.org/paper/Comparison-of-phasic-blood-flow-velocity-of-and-Bach-Kern/3add9f95309e8254fb0ce9ec949aa536b1347417

Flow diversion treatment: intra-aneurismal blood flow velocity and WSS reduction are parameters to predict aneurysm thrombosis ...Flow diversion treatment: intra-aneurismal blood flow velocity and WSS reduction are parameters to predict aneurysm thrombosis ...

Relative flow velocity and WSS reduction in and of itself may result in aneurysm thrombosis in the majority of cases. Flow ... Mean intra-aneurysmal flow velocities and WSS were significantly reduced in all aneurysms. Changes in flow patterns were ... True geometric models of the flow diverter were created and placed over the neck of the aneurysms by using a virtual stent- ... One aneurysm rupturing 5 days after treatment showed also no change in flow pattern, and no change in the maximal inflow ...
more infohttps://infoscience.epfl.ch/record/184287

Effect of magnesium, high altitude and acute mountain sickness on blood flow velocity in the middle cerebral artery | Clinical...Effect of magnesium, high altitude and acute mountain sickness on blood flow velocity in the middle cerebral artery | Clinical...

Blood flow velocity in the middle cerebral artery (MCAv) may be used as a proxy measure of cerebral blood flow. Using ... Effect of magnesium, high altitude and acute mountain sickness on blood flow velocity in the middle cerebral artery. ... Effect of magnesium, high altitude and acute mountain sickness on blood flow velocity in the middle cerebral artery ... Effect of magnesium, high altitude and acute mountain sickness on blood flow velocity in the middle cerebral artery ...
more infohttp://www.clinsci.org/content/106/3/279