• Cerebral hemodynamics reflect cognitive processes and underlying physiological processes, both of which are captured by functional near infrared spectroscopy (fNIRS). (frontiersin.org)
  • Temporal variations in the concentration of these species can therefore reveal the cerebral hemodynamics of functional brain activity. (frontiersin.org)
  • Hemodynamics and Anatomy of Elastase-Induced Rabbit Aneurysm Models: Similarity to Human Cerebral Aneurysms? (ajnr.org)
  • However, both groups exhibited similar cerebral hemodynamics during recovery. (datadryad.org)
  • Internet Medical Journal: Cerebral hemodynamics of the aging brain: risk of Alzheimer disease and benefit of aerobic exercise. (medjournal.com)
  • In this feasibility study, we evaluated the utility of functional near infrared spectroscopy (fNIRS) in measuring cerebral hemodynamics in the prefrontal cortex (PFC) in toddlers between 18 and 36 months of age. (nih.gov)
  • Our aim was to identify plasma ECM proteins associated to end-stage HF and secondary PH in relation to haemodynamics, before and after heart transplantation (HT). (lu.se)
  • Our aim was to identify plasma ECM proteins associated to end-stage HF and secondary PH in relation to haemodynamics, before and after heart transplantation (HT).METHODS AND RESULTS: Twenty ECM plasma proteins were analysed with proximity extension assay in 20 controls and 26 HF patients pre-HT and 1 year post-HT. (lu.se)
  • Do Sodium-Glucose Cotransporter-2 Inhibitors Affect Renal Hemodynamics by Different Mechanisms in Type 1 and Type 2 Diabetes? (cdc.gov)
  • We conducted several studies examining the role of relaxin in modulating systemic hemodynamics and vascular wall mechanical properties. (pitt.edu)
  • Treatment is improvement of systemic hemodynamics. (msdmanuals.com)
  • In patients with severe AS, small changes in aortic valve area can lead to large changes in hemodynamics. (uib.no)
  • In terms of hemodynamics, aortic valve area at discharge increased significantly with BVF vs without (1.6 vs 1.4 cm 2 ), starting from 0.8 cm 2 at baseline in both groups. (medscape.com)
  • Parag C. Patel, M.D., a cardiothoracic surgeon specializing in heart failure and heart transplantation at Mayo Clinic in Florida, presents in the Advanced Heart Failure Grand Rounds series on hemodynamics in the selection and management of mechanical circulatory support in cardiogenic shock. (mayoclinic.org)
  • These results indicating abnormal arterial haemodynamics after TOF repair highlight the importance of regular monitoring of the systemic arterial bed and potentially relevant cardiovascular events in long-term follow-up of TOF. (bmj.com)
  • We aimed to investigate such cardiovascular proteins and their relationship to haemodynamics before and 1 year after heart transplantation (HT), as well as their prognostic value in advanced HF with PH. (lu.se)
  • The last decade has witnessed exponential growth in the field of Neonatal Hemodynamics and functional echocardiography in neonatal intensive care units, driven in response to the need for improvement in understanding and management of the rapidly changing cardiovascular physiology in critically ill neonates. (neonatalhemodynamics.com)
  • Formats: Text / Collections: World War 1, 1914-1918 / Subjects: Physical Exertion and Hemodynamics / Authors: Mann, Hubert. (nih.gov)
  • Moreover, the success of coiling is intimately related to the biologic responses to hemodynamics inside the aneurysm. (ajnr.org)
  • To simulate the hemodynamics in coiled aneurysm geometries, researchers have modeled explicitly the coils, including straight 12 or helical cylinders, 13 big hollow spheres, 14 or small overlapping spheres along the axis of curved filaments. (ajnr.org)
  • 1 - 6 As a result, a large body of research has been directed at categorizing the hemodynamics inside human IAs and correlating aneurysm growth as well as rupture with specific hemodynamic markers such as abnormally high or low magnitudes of WSS and OSI. (ajnr.org)
  • The coupling between hemodynamics and aneurysm pathophysiology is complex and remains poorly understood. (ajnr.org)
  • Aneurysm growth occurs at region of low wall shear stress: patient-specific correlation of hemodynamics and growth in a longitudinal study. (insa-lyon.fr)
  • 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)
  • 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)
  • It is commonly accepted that hemodynamics play a role in the initiation and further development of arterial pathologies such as IAs. (ajnr.org)
  • Such changes in arterial wall structure may significantly alter arterial wall mechanical properties, and thus cause abnormal arterial haemodynamics. (bmj.com)
  • To test the hypothesis that after repair of TOF, there are abnormal arterial haemodynamics which are associated with aortic dilatation and which increased after load on the left ventricle. (bmj.com)
  • Systemic arterial haemodynamics were investigated by measuring aortic input impedance during cardiac catheterisation. (bmj.com)
  • Type 2 diabetes (T2D) is associated with dementia, and abnormal blood pressure (BP), aortic stiffness, and haemodynamics. (atlantis-press.com)
  • In patients with a bicuspid aortic valve (BAV), these degenerative changes occur at an earlier age as a consequence of the abnormal hemodynamics across the valve leaflets. (medscape.com)
  • Pulmonary haemodynamics after surfactant replacement in severe neonatal respiratory distress syndrome. (bmj.com)
  • To assess the central hemodynamics using calculation forms and invasive-noninvasive systems on the background of using inhaled minimal-streaming anesthesia at thyroidectomies in patients with thyrotoxicosis. (uran.ua)
  • Kapur NK, Sorajja P. Invasive hemodynamics. (medlineplus.gov)
  • Right heart catherization haemodynamics were assessed in the patients during the preoperative evaluation and at the 1 year follow-up post-HT. (lu.se)
  • METHODS: To examine the role of MRI-derived indexes of hepatic hemodynamics in the preoperative assessment of liver function, 39 consecutive liver transplantation candidates were studied in a prospective manner. (duke.edu)
  • Therefore, the Neonatal Hemodynamic Research Center (NHRC) was envisioned to establish an independent platform to increase the scientific and educational engagements between hemodynamics researchers, expert hemodynamic clinicians and upcoming faculty and trainees in academic programs globally. (neonatalhemodynamics.com)
  • The vision of NHRC is to create an international network of thought leaders in neonatal hemodynamics and foster high-quality collaborative education, research, and quality improvement work. (neonatalhemodynamics.com)
  • Local hemodynamics worsened with luminal protrusion of the stent and with stent malapposition, adverse high WSS and WSSG were identified around peak flow and throughout the cardiac cycle respectively. (researchgate.net)
  • The correct understanding of cardiac hemodynamics and its interaction with vascular function is of paramount importance for correct identification of severe AS and to plan effective strategies for its treatment. (uib.no)
  • The Cardiosurgery and Hemodynamics Service at the Salus Hospital enables the diagnosis and treatment of vascular, cardiac and peripheral diseases. (salus.al)
  • These data show that MRI-derived indexes of portal hemodynamics and hepatic mass (1) correlate well with biochemical indexes of hepatic dysfunction and (2) serve as anatomic and hemodynamic correlates to Child's functional classification. (duke.edu)
  • BP, aortic stiffness and altered haemodynamics contribute to early cognitive change and loss of white matter integrity in T2D. (atlantis-press.com)
  • Calculative indices by M.M. Savitsky formula don't reliably differ comparing with the objective instrumental method of hemodynamics control by DopplerEchoCG and can be used as initial indices for the comparison with instrumental and calculative ones. (uran.ua)
  • It is unclear if hemodynamics in HF patients with DM differ from those of non-diabetic patients and how this might influence outcome. (ku.dk)
  • This study aims to discover the impact of DM on hemodynamics in HF patients. (ku.dk)
  • Right heart catheterization was used to measure the haemodynamics of the HF patients pre-operatively and at 1 year follow-up after HT. (lu.se)
  • CONCLUSIONS: The normalization pattern in HF patients of plasma prolargin and MMP-2 post-HT towards controls' levels and their associations with improved haemodynamics indicate that prolargin and MMP-2 may reflect, in part, the aberrant ECM remodelling involved in the pathophysiology of HF and associated PH. (lu.se)
  • Purpose: To investigate the feasibility and reproducibility of a technique that uses a catheter-like mathematical model (virtual catheter) to assess volumetric intra-aortic hemodynamics from 4D flow MRI in patients with BAV. (northwestern.edu)
  • Conclusion: The proposed four-dimensional (4D) virtual catheter technique enabled reproducible automated evaluation of volumetric intra-aortic hemodynamics alterations from 4D flow MRI in patients with bicuspid aortic valve. (northwestern.edu)
  • Changes in ocular hemodynamics in patients recovered from COVID-19]. (bvsalud.org)
  • Compte tenu du nombre croissant d'infections et de décès par le virus de la grippe pandémique (H1N1) 2009 confirmés en laboratoire dans la Région OMS de la Méditerranée orientale, le Bureau régional a convoqué une réunion consultative d'experts impliqués dans la prise en charge clinique de patients infectés par ce virus. (who.int)
  • The purpose of this work is to assess the influence of coil configuration and packing density on intra-aneurysmal hemodynamics. (ajnr.org)
  • 9 Certainly, CFD is an effective and well-accepted technique to investigate intravascular hemodynamics in silico. (ajnr.org)
  • A Possible Role of Amyloidogenic Blood Clotting in the Evolving Haemodynamics of Female Migraine-With-Aura: Results From a Pilot Study. (iasp-pain.org)
  • Hemodynamics or haemodynamics are the dynamics of blood flow. (wikipedia.org)
  • Hemodynamics explains the physical laws that govern the flow of blood in the blood vessels. (wikipedia.org)
  • Because blood vessels are not rigid tubes, classic hydrodynamics and fluids mechanics based on the use of classical viscometers are not capable of explaining haemodynamics. (wikipedia.org)
  • The study of the blood flow is called hemodynamics, and the study of the properties of the blood flow is called hemorheology. (wikipedia.org)
  • Therefore, Euler's pioneering and seminal work in the area of blood flow justifies he be called the father of hemodynamics. (scirp.org)
  • 1. The effects of l -arginine on systemic and renal haemodynamics were investigated in conscious dogs. (portlandpress.com)
  • 16 - 19 Most of these studies have taken into account the influence of packing density on the hemodynamics. (ajnr.org)
  • Animal models provide a mechanism for fundamental studies of the coupling between hemodynamics and pathophysiology in diseases such as saccular aneurysms. (ajnr.org)
  • Statistical tests were performed to evaluate the relative effect of coil configuration on local hemodynamics. (ajnr.org)
  • Measurements included neuropsychological battery, brain MRI, and Mobil-o-Graph-derived (IEM, Germany) aortic BP and haemodynamics. (atlantis-press.com)