• 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)
  • Hemodynamics and Anatomy of Elastase-Induced Rabbit Aneurysm Models: Similarity to Human Cerebral Aneurysms? (ajnr.org)
  • 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)
  • Biology and hemodynamics of cerebral aneurysms. (usz.ch)
  • 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)
  • In patients with severe AS, small changes in aortic valve area can lead to large changes in hemodynamics. (uib.no)
  • Some of the methods used to study the hemodynamics of aortic flow are patient scans, computational fluid dynamics models, and particle tracking velocimetry (PTV). (wikipedia.org)
  • 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)
  • 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)
  • Volumetric intra-aortic hemodynamics were computed from 4D flow MRI only within the virtual catheter, and the following volume-normalized systolic peaks were derived: kinetic energy (KE), viscous energy loss rate (VELR), and vorticity. (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)
  • Do Sodium-Glucose Cotransporter-2 Inhibitors Affect Renal Hemodynamics by Different Mechanisms in Type 1 and Type 2 Diabetes? (cdc.gov)
  • In cases where hemodynamic perturbations are expected (eg, those involving blood loss or volume shifts) or for high-risk patients who may not tolerate significant derangements in hemodynamics (eg, those with heart failure or intracranial pathology), invasive hemodynamic monitoring may be beneficial. (medscape.com)
  • Such changes in arterial wall structure may significantly alter arterial wall mechanical properties, and thus cause abnormal arterial haemodynamics. (bmj.com)
  • 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)
  • It is commonly accepted that hemodynamics play a role in the initiation and further development of arterial pathologies such as IAs. (ajnr.org)
  • Hemodynamics in pulmonary arterial hypertension (PAH): Do they explain long-term clinical outcomes with PAH-specific therapy? (edu.au)
  • 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)
  • Pulmonary haemodynamics after surfactant replacement in severe neonatal respiratory distress syndrome. (bmj.com)
  • 1. The effects of l -arginine on systemic and renal haemodynamics were investigated in conscious dogs. (portlandpress.com)
  • We tested the hypothesis that hemodynamics and oxygenation, reflecting the muscle metabolic characteristics, would recover more quickly than the muscle contractile properties. (cdc.gov)
  • 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)
  • 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 overarching mandate of the NHRC is to advance the field of neonatal cardiovascular ultrasound and improve lives through excellence in education, research, innovation, advocacy, and service to the profession and the public. (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)
  • Animal models provide a mechanism for fundamental studies of the coupling between hemodynamics and pathophysiology in diseases such as saccular aneurysms. (ajnr.org)
  • 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)
  • In the Cardiorenal Research Laboratory, Mayo Clinic researchers are developing unique biomarkers and testing novel peptide-based and gene-therapy-based strategies to better treat patients with heart failure and to prevent heart failure in patients at risk. (mayo.edu)
  • As new treatments for heart failure emerge, future research must address how diuretics fits into the armamentarium. (medscape.com)
  • The objective of the research presented in this paper is to study and simulate the discharge of the blood in the brachial artery. (witpress.com)
  • Research Support, U.S. Gov't, P.H.S. (nih.gov)
  • Researchers from the University of Pittsburgh and the National Institutes of Health (NIH) Vaccine Research Center have developed an improved way to test potential vaccines against bird flu. (news-medical.net)
  • In the realm of cardiac replacement therapy, Cardiovascular Research Center investigators have advanced the field through better understanding of the impact of ventricular assist devices and novel approaches to immunosuppression in patients undergoing cardiac transplantation. (mayo.edu)
  • Right heart catherization haemodynamics were assessed in the patients during the preoperative evaluation and at the 1 year follow-up post-HT. (lu.se)
  • Changes in ocular hemodynamics in patients recovered from COVID-19]. (bvsalud.org)
  • 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)
  • Natural Persons of Brazil, from March 16 to May siology of SARS-COV-2, this research aimed to 31, 2020, 15,870 people died from cardiovascular compare the care provided to infarcted patients diseases (CVD) at home. (bvsalud.org)
  • Portal hemodynamics, liver function tests, histologic findings, injury and survival rates were compared between groups A and B. (nih.gov)
  • Hemodynamics and transport modelling in the liver: microcirculation & whole system levels. (simula.no)
  • Still, problems from biomedical research are extremely complex and challenging from the modeling viewpoint. (jku.at)
  • In our institute, machine learning , data- and knowledge-based modelling techniques serve as important methodologies for solving mathematical problems in different application scenarios within funded research projects and industrial projects. (jku.at)
  • The Circulatory Failure Program in the Cardiovascular Research Center is highly active in both basic and clinical investigations aimed at improving the diagnosis and care of people with all forms of circulatory failure. (mayo.edu)
  • 9 Certainly, CFD is an effective and well-accepted technique to investigate intravascular hemodynamics in silico. (ajnr.org)
  • 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)
  • citation needed] When evaluating the significance of the hemodynamics of a patient their age and gender play a role. (wikipedia.org)
  • Further research is needed to determine any long-term medical significance. (nih.gov)
  • Research Institute of Eye Diseases, Moscow, Russia. (bvsalud.org)
  • Statistical tests were performed to evaluate the relative effect of coil configuration on local hemodynamics. (ajnr.org)
  • It is also the vision of NHRC to establish structured review processes for research ideas, grants and publications which will enhance the quality of support and mentorship for clinicians pursuing hemodynamic sciences. (neonatalhemodynamics.com)
  • 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)
  • Dr. Irène Vignon-Clementel, is a Senior Researcher at Inria Saclay Île-de-France Research Center. (simula.no)
  • The research team in the Circulatory Failure Program uses gold standard invasive hemodynamic methods to better understand disease mechanisms and treatments in the human catheterization laboratory. (mayo.edu)
  • Location: Simula Research Laboratory in the HPL lecture hall. (simula.no)
  • Individuals who are allergic to sulfonamide antibiotics may be allergic to sulfonamide diuretics, although recent research suggests that the cross-reactivity is low. (medscape.com)
  • 16 - 19 Most of these studies have taken into account the influence of packing density on the hemodynamics. (ajnr.org)
  • Research Platforms with Acq Knowledge software provide powerful data acquisition hardware and automated analysis routines for wired, wireless, logging, and MRI setups, for human or animal studies. (biopac.com)
  • Diuretics clearly improve hemodynamics and symptoms, although many studies have not been able to demonstrate a mortality benefit. (medscape.com)
  • In addition, the absence of scientific validation of measures of cardiovascular function in newborns and lack of standardized integration of echocardiography techniques in research design further hinders diagnostic precision and optimization of therapeutic interventions. (neonatalhemodynamics.com)
  • A Possible Role of Amyloidogenic Blood Clotting in the Evolving Haemodynamics of Female Migraine-With-Aura: Results From a Pilot Study. (iasp-pain.org)
  • The present study shows that NIRS provides insight into muscle hemodynamics and oxygenation for low-level sustained activity to fatigue. (cdc.gov)
  • A sensitivity analysis is also presented to better assess the link between parameters and possible patient hemodynamics measurements. (simula.no)
  • The hemodynamics of the aorta is an ongoing field of research in which the goal is to identify what flow patterns and subsequent forces occur within the thoracic aorta. (wikipedia.org)