ReactivityCirculationCerebral blood flow and cerebrovaCardiovascularDiseaseNear infrared speIntracranial AneurysmsNeurosurgeryCourse of cerebrovascularTranscranial DopplerDiseasesVascularHypoxiaPathophysiologyArterialPatientsDisturbancesBrainCognitiveClinicalFlow VelocityAlterationsLifespanAerobicAssessmentPatternsBloodHighTimeModelsSystem
Reactivity6
- Lifelong exposure to high altitude leads to various adaptations affecting haemodynamics, cardiovascular control and cerebrovascular reactivity. (sfu.ca)
- Age-related impairments in cerebral blood flow and cerebrovascular reactivity to carbon dioxide (CVRCO2) are established risk factors for stroke that respond favorably to aerobic training. (southwales.ac.uk)
- We hypothesized that cerebral haemodynamics and carbon dioxide reactivity would be impaired in patients with sepsis syndrome and pathological electroencephalogram patterns. (biomedcentral.com)
- Impaired cerebrovascular reactivity may predict delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage. (uib.no)
- Time course of cerebrovascular reactivity in patients treated for unruptured intracranial aneurysms: A one-year transcranial Doppler and acetazolamide follow-up study. (uib.no)
- Cerebrovascular reactivity after treatment of unruptured intracranial aneurysms - a transcranial Doppler sonography and acetazolamide study. (uib.no)
Circulation3
- Acute cerebrovascular diseases are a group of common clinical diseases characterized by abnormal cerebrovascular circulation. (ijpsonline.com)
- In addition, betahistine hydrochloride also has a diuretic effect, which can promote blood circulation, increase organ blood perfusion, reduce myocardial oxygen consumption, improve patient blood pressure levels and ultimately improve symptoms of cardiovascular and cerebrovascular ischemia and hypoxia. (ijpsonline.com)
- In most of the former studies concerning cerebral haemodynamics during sepsis syndrome, only a few aspects of cerebral circulation had been investigated. (biomedcentral.com)
Cerebral blood flow and cerebrova1
- His clinical and research interests and expertise relate to Neuroanesthesia, with a focus on interventions that affect cerebral blood flow and cerebrovascular hemodynamics. (openaccesspub.org)
Cardiovascular2
- Ongoing work in my laboratory and in conjunction with the Environmental Physiology Unit (EPU) at Simon Fraser University involves characterising the various patterns of cardiovascular and cerebrovascular adaptation that occur in response to permanent residence at high altitude. (sfu.ca)
- This capability has led to its adoption as a first-line imaging tool in the assessment of cardiovascular and cerebrovascular disease, even in the acute stage. (diagnosticimaging.com)
Disease15
- Does cerebrovascular disease affect the coupling between neuronal activity and local haemodynamics? (google.co.uk)
- While revascularization can improve CVR and reduce this risk in adult patients with vasculopathy such as those with Moyamoya disease, its impact on hemodynamics in pediatric patients remains to be elucidated. (stanford.edu)
- Therefore extracranial-intracranial (EC-IC) bypass was developed to reduce the risk of ischemic stroke in patients with impaired cerebral hemodynamics due to occlusive cerebrovascular disease. (scirp.org)
- The indications for EC-IC bypass surgery were haemodynamic compromise due to atherosclerotic occlusive cerebrovascular disease which was demonstrated by the MRI perfusion imaging. (scirp.org)
- Internet Medical Journal: Cerebral hemodynamics of the aging brain: risk of Alzheimer disease and benefit of aerobic exercise. (medjournal.com)
- Alzheimer disease (AD) and cerebrovascular disease often coexist with advanced age. (medjournal.com)
- In contrast, a cognitively impaired patient with vascular risks factors but no history of cerebrovascular disease is most likely to have Alzheimer disease. (medscape.com)
- Treat patients with risk factors for cerebrovascular disease. (medscape.com)
- Therefore, this article mainly reviews the treatment of acute cerebrovascular disease with betahistine hydrochloride combined with atorvastatin, providing scientific reference for clinical treatment of acute cerebrovascular disease. (ijpsonline.com)
- Cerebrovascular disease is characterized by high incidence rate, high recurrence rate, high disability rate and high mortality[ 1 ]. (ijpsonline.com)
- The incidence of acute severe cerebrovascular disease is also increasing year by year with the increasing incidence of cerebrovascular diseases, which is the focus of attention in the medical community. (ijpsonline.com)
- In this article, we review the progress in the treatment of acute cerebrovascular disease patients using betahistine hydrochloride combined with atorvastatin. (ijpsonline.com)
- As a result, the pathogenesis of any cerebrovascular disease (e.g., cerebral aneurysms) is a complex process. (surgicalneurologyint.com)
- This is an opportunity for an experienced data scientist to conduct original research aimed at discovering associations between the compromised brain haemodynamics observed in small vessel disease (SVD) and retinal vascular phenotypes derived from optical coherence tomography angiography (OCTA) images, as a key member on a project funded by the British Heart Foundation and Alan Turing Institute. (sinapse.ac.uk)
- Hemodynamics and changes after STA-MCA anastomosis in moyamoya disease and atherosclerotic cerebrovascular disease measured by micro-Doppler ultrasonography. (neurohirurgija.com)
Near infrared spe3
- Cerebral hemodynamics reflect cognitive processes and underlying physiological processes, both of which are captured by functional near infrared spectroscopy (fNIRS). (frontiersin.org)
- Non invasive monitoring of cerebral hemodynamics using near infrared spectroscopy. (spiedigitallibrary.org)
- Using near infrared spectroscopy to evaluate hemodynamic alteration, bilateral temporal hemodynamics considerably increased after the three-month jogging therapy. (clinical-practice-and-epidemiology-in-mental-health.com)
Intracranial Aneurysms2
- Hemodynamics of Giant Intracranial Aneurysms. (wikipedia.org)
- Rupture prediction of intracranial aneurysms: a nationwide matched case-control study of hemodynamics at the time of diagnosis. (uib.no)
Neurosurgery1
- His interest is in cerebrovascular and endovascular neurosurgery and he has published research on hemodynamics of aneurysm formation as well as various endovascular therapies. (unc.edu)
Course of cerebrovascular1
- however, it appears that it is even more important to maintain the same insonation angle and probe position when assessing the vessels repeatedly for blood flow alterations that might occur in the course of cerebrovascular surgery. (neurohirurgija.com)
Transcranial Doppler1
- Middle cerebral artery blood velocity (MCAv, transcranial Doppler ultrasound), mean arterial pressure (MAP, finger photoplethysmography), and end-tidal partial pressure of carbon dioxide (PETCO2, capnography) were recorded during normocapnia and 3 mins of iso-oxic hypercapnea (5% CO2).Cerebrovascular resistance/conductance indices (CVRi/CVCi) were calculated asMAP/MCAv and MCAv/MAP, respectively, and CVRCO2 as the percentage increase inMCAv from baseline per millimeter of mercury (mm Hg) increase in PETCO2. (southwales.ac.uk)
Diseases9
- He develops cutting-edge and clinically viable imaging technologies to improve the diagnosis and treatment of cerebrovascular diseases across the lifespan. (stanford.edu)
- Decreased CVR is associated with a higher stroke risk in patients with cerebrovascular diseases. (stanford.edu)
- Although CBF in adults has been widely studied and linked with cerebrovascular and neurodegenerative diseases, CBF data in healthy children are sparse due to the challenges in pediatric neuroimaging. (stanford.edu)
- In addition to central injury in acute cerebrovascular diseases, which can lead to poor prognosis in patients, fluctuations in the properties and functions of local and circulating immune mediators can also trigger the body to enter an immune imbalance state, leading to poor prognosis in some patients after receiving systematic symptomatic support treatment. (ijpsonline.com)
- Cerebrovascular diseases have become the second leading cause of death in the world. (ijpsonline.com)
- With the aging population and significant improvement of living standards in China, the incidence of cerebrovascular diseases has increased at an average annual rate of 8.3 %, ranking first among the causes of death among Chinese residents and being the main cause of illness and death in patients with the nervous system[ 2 ]. (ijpsonline.com)
- Middle aged and elderly people are the people with high incidence of acute cerebrovascular diseases. (ijpsonline.com)
- Cerebral infarction is an ischemic stroke, accounting for 70 % of all acute cerebrovascular diseases in incidence rate[ 5 , 6 ]. (ijpsonline.com)
- Clinical treatment of cerebrovascular diseases usually involves controlling the condition through thrombolysis, anticoagulation and repair of damaged nerves, but there is still a lack of specific drugs and related treatment plans. (ijpsonline.com)
Vascular1
- A secondary hypothesis was to determine if there was any relationship between vascular hemodynamics and either the severity or frequency of migraine attacks. (city.ac.uk)
Hypoxia1
- V.E. Claydon, G. Gulli, M. Slessarev, O. Appenzeller, G. Zenebe, A. Gebremedhin, R. Hainsworth (2007) Cerebrovascular responses to hypoxia and hypocapnia in Ethiopian high altitude dwellers. (sfu.ca)
Pathophysiology1
- Spinal Arteriovenous Malformations: Pathophysiology and Hemodynamics. (wikipedia.org)
Arterial1
Patients2
- It is yet not clear whether cerebral haemodynamics are altered in these sepsis patients at all, and to what extent. (biomedcentral.com)
- There is no information provided about changes in hemodynamics in these patients while they were receiving the infusion/bolus. (medscape.com)
Disturbances1
- Disturbances in cerebral hemodynamics with an early phase of cerebral hypoperfusion followed by hyperemia and secondary elevations in ICP may be one possible mechanism. (rimed.com)
Brain2
- Temporal variations in the concentration of these species can therefore reveal the cerebral hemodynamics of functional brain activity. (frontiersin.org)
- Objective : The use of indocyanine green videoangiography (ICG-VA) to assess blood flow in the brain during cerebrovascular surgery has been increasing. (koreamed.org)
Cognitive1
- Hence, hypercapnia represents a robust model to test whether flavanol-mediated increases in endothelial function (as assessed by gold-standard FMD) mediate benefits in cerebrovascular and cognitive function. (nature.com)
Clinical1
- Bederson joined Mount Sinai in 1992 as the Director of the Clinical Program for Cerebrovascular Disorders and served as Vice-Chairman after 2001. (wikipedia.org)
Flow Velocity1
- was associated with 80% likelihood of early death.78 In a prospective study of 36 children with moderate to severe TBI, diastolic flow velocity 1.31 (indicative of high cerebrovascular resistance) at the time of admission was also associated with poor prognosis. (rimed.com)
Alterations2
- The aim of the study was to determine if transient hemodynamic alterations during each migraine attack translates into cerebrovascular alterations, during migraineurs interictal period. (city.ac.uk)
- Conclusion: This study found nil cerebrovascular alterations which could be measured in migraineurs compared to normal healthy controls, during their interictal period. (city.ac.uk)
Lifespan3
- The present study examined to what extent cerebra hemodynamics are improved when training is sustained throughout the adult lifespan. (southwales.ac.uk)
- These findings highlight the importance of maintaining aerobic fitness throughout the lifespan given its capacity to improve cerebral hemodynamics in later-life. (southwales.ac.uk)
- The present study examined to what extent cerebra hemodynamics are improved when training is sustained throughout the adult lifespan.MethodsEighty-one healthy males were prospectively assigned to 1 of 4 groups based on their age(young, ≤30 years versus old, ≥60 years) and lifetime physical activity levels(trained, ≥150 minutes recreational aerobic activity/week versus sedentary, no activity). (southwales.ac.uk)
Aerobic1
- These finding imply that, irrespective of their low aerobic fitness, obesity does not impair myocardial performance and cerebrovascular function during graded submaximal work, however, recovery from a short duration of work was influenced by their fitness level. (datadryad.org)
Assessment1
- This technical note aims to emphasize the possibility and necessity of insonation angle correction and preservation for the blood flow assessment in cerebrovascular surgery. (neurohirurgija.com)
Patterns1
- High-resolution numerical simulations are carried out to systematically investigate the effect of the incoming flow waveform on the hemodynamics and wall shear stress patterns of an anatomic sidewall intracranial aneurysm model. (asme.org)
Blood1
- Cerebrovascular reserve (CVR) reflects the capacity of cerebral blood flow (CBF) to change following a vasodilation challenge. (stanford.edu)
High1
- A high-ranking member of many cerebrovascular societies, Bederson is chair of the AANS/CNS Cerebrovascular section. (wikipedia.org)
Time1
- We finally argue that the ratio between the characteristic time scale of transport by the mean flow across the neck and the time scale of vortex ring formation can be used to predict for a given sidewall aneurysm model the critical value of the waveform PI for which the hemodynamics will transition from the cavity mode to the vortex ring mode. (asme.org)
Models1
- A Simple and Rational Approach to Outflow Conditions in Cerebrovascular CFD Models. (simula.no)
System1
- The cerebrovascular system is a complex biological system. (surgicalneurologyint.com)