Thematische Bibliographien / Hemodynamické parametry

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Auswahl der wissenschaftlichen Literatur zum Thema „Hemodynamické parametry“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Zeitschriftenartikel zum Thema "Hemodynamické parametry"

Rzheutskaya, Ryta E. "Characteristics of Hemodynamic Disorders in Patients with Severe Traumatic Brain Injury." Critical Care Research and Practice 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/606179.

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Purpose. To define specific features of central hemodynamic parameter changes in patients with isolated severe traumatic brain injury (STBI) and in patients with clinically established brain death and to determine the required course of treatment for their correction.Data and Research Methods. A close study of central hemodynamic parameters was undertaken. The study involved 13 patients with isolated STBI (group STBI) and 15 patients with isolated STBI and clinically established brain death (group STBI-BD). The parameters of central hemodynamics were researched applying transpulmonary thermodi

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Franceschi, Claude. "Definition of the venous hemodynamics parameters and concepts." Veins and Lymphatics 2, no. 4 (2013): 1. http://dx.doi.org/10.4081/hemodynamics.2013.1.

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Tap, Lisanne, Kim Borsboom, Andrea Corsonello, Fabrizia Lattanzio, and Francesco Mattace-Raso. "Deterioration of Kidney Function Is Affected by Central Arterial Stiffness in Late Life." Journal of Clinical Medicine 13, no. 5 (2024): 1334. http://dx.doi.org/10.3390/jcm13051334.

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Cardiovascular diseases affect kidney function. The aim of this study was to investigate the possible associations between hemodynamic parameters and change in kidney function in individuals aged 75 years and older. Data on hemodynamics and blood and urine samples were collected at baseline and during one-year visits. Hemodynamics were split into two groups based on median values. Changes in the estimated glomerular filtration rate (eGFR) were investigated between low and high groups for each hemodynamic parameter using analysis of variance. Changes in the albumin–creatinine ratio (ACR) were e

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Kovalenko, Olha Ye, Maryna Ye Rubanista, Olena V. Lytvyn, and Nataliia M. Ovodiuk. "HEMODYNAMIC FEATURES IN THE PATIENTS AFTER STROKE SUFFERED FROM CHRONIC PAIN." Wiadomości Lekarskie 76, no. 10 (2023): 2182–88. http://dx.doi.org/10.36740/wlek202310108.

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The aim: To study the hemodynamic parameters in patients with post-stroke pain syndromes. Materials and methods: We examined the hemodynamic parametrs of 74 patients who were treated at the Departments of General Neurology, Vascular Neurology and Pain Center in the Clinical Hospital «Feofania» State Administrative Department. Main group (44 patients) had stroke in anamnesis and chronic pain (headache, back pain, joint pain). The control group (30 patients) suffered from pain but had no stroke in anamnesis. Relationships between hemodynamic parameters and quantitative characteristics of chronic

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Ogilvie, Leslie M., Brittany A. Edgett, Jason S. Huber, et al. "Hemodynamic assessment of diastolic function for experimental models." American Journal of Physiology-Heart and Circulatory Physiology 318, no. 5 (2020): H1139—H1158. http://dx.doi.org/10.1152/ajpheart.00705.2019.

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Traditionally, the evaluation of cardiac function has focused on systolic function; however, there is a growing appreciation for the contribution of diastolic function to overall cardiac health. Given the emerging interest in evaluating diastolic function in all models of heart failure, there is a need for sensitivity, accuracy, and precision in the hemodynamic assessment of diastolic function. Hemodynamics measure cardiac pressures in vivo, offering a direct assessment of diastolic function. In this review, we summarize the underlying principles of diastolic function, dividing diastole into t

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Dong, X., Y. Shi, Y. Xia, et al. "POS1368 DIVERSITY OF HEMODYNAMIC TYPES IN CONNECTIVE TISSUE DISEASE ASSOCIATED PULMONARY HYPERTENSION: MORE THAN A SUBGROUP OF PULMONARY ARTERIAL HYPERTENSION." Annals of the Rheumatic Diseases 81, Suppl 1 (2022): 1023.2–1023. http://dx.doi.org/10.1136/annrheumdis-2022-eular.4576.

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BackgroundConnective tissue disease (CTD) associated pulmonary hypertension (PH) is classified as a subgroup of WHO group 1 PH, also called pulmonary arterial hypertension (PAH). However, not all CTD-PH fit the hemodynamic definition of PAH. This study investigates the diversity of hemodynamical types of CTD-PH, their different clinical characteristics and outcomes.ObjectivesThis study investigates the diversity of hemodynamical types of CTD-PH, their different clinical characteristics and outcomes.MethodsWe performed a retrospective cohort study. CTD-PH patients underwent right heart catheter

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Jian, Zini, Xianpei Wang, Meng Tian, et al. "Review of the Research Progress of Human Brain Oxygen Extraction Fraction by Magnetic Resonance Imaging." Oxidative Medicine and Cellular Longevity 2022 (October 18, 2022): 1–13. http://dx.doi.org/10.1155/2022/4554271.

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In recent years, the incidence of cerebrovascular diseases (CVD) is increasing, which seriously endangers human health. The study on hemodynamics of cerebrovascular disease can help us to understand, prevent, and treat the disease. As one of the important parameters of human cerebral hemodynamics and tissue metabolism, OEF (oxygen extraction fraction) is of great value in central nervous system diseases. The use of BOLD (blood oxygen level dependent) effect offers the possibility to study cerebral hemodynamic and metabolic characteristics by MRI (magnetic resonance imaging) measurements. There

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ARYNOV, A. A., N. Z. SHAPATOVA, and I. М. SMAGINA. "Diagnostics and treatment of hemodynamic disorders in cancer patients: current trends and own experience." Oncologia i radiologia Kazakhstana 55, no. 1 (2020): 28–29. http://dx.doi.org/10.52532/2663-4864-2020-1-55-28-29.

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Relevance: Hemodynamic disorders occupy a central position among pathological syndromes in patients receiving intensive care. Still, their diagnostics and treatment are sometimes delayed, and hemodynamic parameters and types of blood circulation are misinterpreted. This adds to the severity of such disorders and increases mortality. The purpose of the study was to analyze the diagnostics and treatment of hemodynamic disorders in cancer patients. Results: The applied methods of clinical diagnostics and non-invasive monitoring of hemodynamic parameters correlated well wit

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Kadam, Atharva, and Atharva Joshi. "A Review of Hemodynamic Parameters in Cerebral Aneurysm." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 10 (2024): 1–7. http://dx.doi.org/10.55041/ijsrem37969.

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Abstract—A cerebral aneurysm is a localized dilation that weakens the wall of a blood vessel in the brain. This condition comes in the form of abnormal widening, ballooning or in the form of a bleb. Gaining an understanding of the initiation, growth, and rupture of cerebral aneurysm has played a critical role in finding treatments that prevent the possibility of mortality and morbidity. Cerebral aneurysm develops as a result of the thinning of artery wall, and it is often difficult to diagnose prior to its rupture that leads to several fatal diseases, including brain damage, hemorrhagic stroke

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Uedono, Hideki, Akihiro Tsuda, Eiji Ishimura, et al. "U-shaped relationship between serum uric acid levels and intrarenal hemodynamic parameters in healthy subjects." American Journal of Physiology-Renal Physiology 312, no. 6 (2017): F992—F997. http://dx.doi.org/10.1152/ajprenal.00645.2016.

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Hyperuricemia has been reported to affect renal hemodynamics. In a recent study, both low and high levels of serum uric acid (SUA) were found to be associated with loss of kidney function. The goal of this study was to evaluate the relationship between SUA levels and intrarenal hemodynamic parameters in healthy subjects, using plasma clearance of para-aminohippurate (CPAH) and inulin (Cin). Renal and glomerular hemodynamics were evaluated by simultaneous measurements of CPAH and Cin in 48 healthy subjects (54.6 ± 13.4 yr). Intrarenal hemodynamic parameters, including efferent and afferent (Ra)

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Dissertationen zum Thema "Hemodynamické parametry"

Hemzalová, Zuzana. "Evoluční algoritmy pro ultrazvukovou perfúzní analýzu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442504.

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This thesis deals with the principles of ultrasonic perfusion analysis and methods for determining perfusion parameters. It examines Evolutionary algorithms and their ability to optimize the approximation of dilution curves from ultrasond tissue scannig. It compares the optimization performance of three evolutionary algorithms. Continuous genetic algorithm GA, algorithm SOMA and PSO. Methods are evaluated on simulated and clinical data.

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Urquhart, Gayle. "Timing of hemodynamic pressure measurements and thermodilutional cardiac outputs on derived hemodynamic parameters." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ40155.pdf.

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Downing, Joey Micah. "Flow through a compliant stenotic artery : a parametric evaluation." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/17865.

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Havlíček, Martin. "Zkoumání konektivity mozkových sítí pomocí hemodynamického modelování." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-233576.

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Zobrazení funkční magnetickou rezonancí (fMRI) využívající "blood-oxygen-level-dependent" efekt jako indikátor lokální aktivity je velmi užitečnou technikou k identifikaci oblastí mozku, které jsou aktivní během percepce, kognice, akce, ale také během klidového stavu. V poslední době také roste zájem o studium konektivity mezi těmito oblastmi, zejména v klidovém stavu. Tato práce předkládá nový a originální přístup k problému nepřímého vztahu mezi měřenou hemodynamickou odezvou a její příčinou, tj. neuronálním signálem. Zmíněný nepřímý vztah komplikuje odhad efektivní konektivity (kauzálního o

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Shi, Jun. "Constructing FHNNs to detect CVDs through hemodynamic parameters derived from sphygmogram." Thesis, University of Macau, 2011. http://umaclib3.umac.mo/record=b2493321.

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Faik, Isam. "3D characterization of the hemodynamic parameters in a stented coronary artery." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82485.

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Stenting is becoming the major interventional cardiology procedure worldwide. However restenosis remains a major limitation to the effectiveness of stents. Alterations to the local hemodynamics in the stented segment of the artery is a potential factor in the development of in-stent restenosis. The characterization of wall shear stress and of blood flow patterns in a stented artery is therefore necessary for a good understanding of the phenomenon. We have used a time-dependent 3D numerical model of a stented coronary artery to study the characteristics of the blood flow and the shear st

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Rajabi, Jaghargh Ehsan. "Effects of hemodynamic stresses on the remodeling parameters in arteriovenous fistula." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1427962400.

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Heyman, Patrick. "Hemodynamic parameters of patients with treated hypertension and coronary artery disease." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0000701.

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Azadan, Niaz. "Den diagnostiska säkerheten i arbetsprov på kvinnor med angina pectoris : Slutversion." Thesis, Hälsohögskolan, Jönköping University, HHJ, Avd. för naturvetenskap och biomedicin, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-49238.

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Angina pectoris är bröstsmärta orsakat av myokardischemi, till följd av kranskärlsjukdom med eller utan stenoser eller icke kranskärlsjukdom. Arbetsprov är den vanligaste undersökningen för angina pectoris. Diffusa symtom och angina pectoris varianter utan stenoser med låg sensitivitet för elektrokardiografi (EKG) sänker den diagnostiska säkerheten i arbetsprov på kvinnor. Litteraturstudiens syfte var att utreda om hemodynamiska parametrar och riskbedömning med Pre-test sannolikhet (PTP) samt Dukes Löpbands Index (DTS, Dukes Treadmill Score) kan öka den diagnostiska säkerheten i arbetsprov på

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Plch, Miroslav. "Stanovení parametrů křivky krevního tlaku." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219532.

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The thesis includes a general introduction to monitoring and measurement of blood pressure of horses, the design of algorithms for pressure curve detection and the calculation of respiratory variabilities in mechanical ventilation under anaesthesia. The first two chapters focus on anatomy, on characteristics of blood flow and on vascular system. Then it deals with the measurement of blood pressure, monitoring of a horse under anaesthesia and it describes particular thermodynamic parameters. In the following part of the thesis, the methods of pressure curve detection are described. The last par

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Bücher zum Thema "Hemodynamické parametry"

San, Yang Sing, ed. From cardiac catheterization data to hemodynamic parameters. 3rd ed. Davis, 1988.

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Seth, Runjan. Inotropic and lusitropic response to gbs-adrenergic stimulation, hemodynamics, and metabolic parameters in early experimental heart failure. National Library of Canada = Bibliothèque nationale du Canada, 1993.

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Torrance, Shona Margaret. The effect of varying levels of acute hypoxia on neonatal acid-base homeostasis, hemodynamic parameters, myocardial metabolism and tolerance to global ischemia. National Library of Canada = Bibliothèque nationale du Canada, 1992.

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Goldberg, Harry, Sing San Yang, Lamberto G. Bentivoglio, and Vladir Maranhao. From Cardiac Catheterization to Hymodynamic Parameters. 3rd ed. Oxford University Press, USA, 1988.

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Ladner, Travis R., Nishant Ganesh Kumar, Lucy He, and J. Mocco. Neuroprotection for Vascular and Endovascular Neurosurgery. Edited by David L. Reich, Stephan Mayer, and Suzan Uysal. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190280253.003.0019.

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The complexity of neurovascular disease presents a challenge to the surgical and anesthesia teams managing patients with such conditions. With open or endovascular techniques, abrupt changes in hemodynamic status and intracranial pressure are an ever-present concern throughout the perioperative period. Monitoring of neurological status, hemodynamic parameters, and intracranial pressure are important adjuncts. Targeted physiologic and pharmacological interventions are critical to ensuring safe completion of complex procedures and the prevention secondary injury. This chapter reviews common comp

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Dvorak, Roman. The effect of a calcium channel blocker on exercise induced muscle damage and hemodynamic parameters in young, healthy adults. 1996.

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Chappell, Michael, Bradley MacIntosh, and Thomas Okell. Kinetic Modeling. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198793816.003.0004.

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The quantification of perfusion from arterial spin labeling (ASL) perfusion MRI data relies upon the principles of tracer kinetics. This chapter first outlines the simplest form of a tracer kinetic model that can be applied to ASL data, before exploring variations on this model that can be applied to extract other hemodynamic information such as arterial transit time. Finally, the chapter examines how tracer kinetic models are used with data to estimate perfusion parameters, including the use of model fitting and Bayesian inference.

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Yarlagadda, Vamsi V., and Ravi R. Thiagarajan. Cardiac Disease in Pediatric Intensive Care. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199918027.003.0007.

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This chapter on cardiac disease in pediatric intensive care provides essential information on cardiovascular physiology, how to assess cardiovascular and hemodynamic status, and principles of treatment of congenital and acquired cardiac disease in children. The review of physiology includes definitions of preload, afterload, oxygen content, cardiac output, vascular resistance, blood pressure, and cardiopulmonary interactions. Formulas to calculate key parameters are provided. The authors also summarize the presentation and care of most common cyanotic and acyanotic congenital heart defects, in

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Maquet, Pierre, and Julien Fanielle. Neuroimaging in normal sleep and sleep disorders. Edited by Sudhansu Chokroverty, Luigi Ferini-Strambi, and Christopher Kennard. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199682003.003.0011.

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Functional neuroimaging techniques include methods that probe various aspects of brain function and help derive models of brain organization in health and disease. These techniques can be grouped in two categories. Some are mainly based on electromagnetic signals (electroencephalography, magnetoencephalography), recording brain activity using a large number of sensors with exquisite temporal resolution (usually of the order of a kilohertz) but allowing only indirect characterization of three-dimensional brain activity by resorting to mathematical models. The second type includes different tech

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Chappell, Michael, Bradley MacIntosh, and Thomas Okell. Introduction to Perfusion Quantification using Arterial Spin Labelling. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198793816.001.0001.

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Arterial spin labeling (ASL) magnetic resonance imaging (MRI) is unique in being a completely non-invasive method for imaging perfusion in the brain. Relying upon a blood-borne tracer that is created by the MRI scanner itself, ASL is becoming a popular tool to study cerebral perfusion, as well as how this perfusion changes in response to neuronal activity or in disease. This primer provides an introduction to perfusion quantification using ASL MRI, focusing both on the methods needed to extract perfusion-weighted images and on how to quantify perfusion and other hemodynamic parameters. Startin

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Buchteile zum Thema "Hemodynamické parametry"

Gabriel, Edmo Atique, and Tomas Salerno. "Determining Hemodynamic Parameters." In Principles of Pulmonary Protection in Heart Surgery. Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-308-4_29.

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Singh, Ajeet, and Shrikanth Srinivasan. "Understanding Heart-Lung Interactions: Concepts of Fluid Responsiveness." In Rational Use of Intravenous Fluids in Critically Ill Patients. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42205-8_5.

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AbstractThis chapter focuses on the impact of fluid administration and ventilation on hemodynamics in critically ill patients. The chapter emphasizes the importance of determining fluid responsiveness before administering fluids to avoid volume overload, which can lead to increased morbidity and mortality. The parameters for predicting fluid responsiveness are based on cyclic variations in respiration on cardiac filling and require an understanding of heart-lung interactions. The chapter discusses the basics of respiratory and cardio-circulatory physiology, including the two components of the

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Payen, D. "Physiological Determinants of Hemodynamic Parameters." In Update in Intensive Care and Emergency Medicine. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84167-5_3.

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Kuzkov, Vsevolod V. "Volumetric Parameters: A Physiological Background." In Advanced Hemodynamic Monitoring: Basics and New Horizons. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71752-0_12.

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Maurits, Natasha. "Cerebrovascular Disease, Ultrasound, and Hemodynamical Flow Parameters." In From Neurology to Methodology and Back. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-1132-1_10.

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Ishida, Fujimaro, Masanori Tsuji, Satoru Tanioka, Katsuhiro Tanaka, Shinichi Yoshimura, and Hidenori Suzuki. "Computational Fluid Dynamics for Cerebral Aneurysms in Clinical Settings." In Acta Neurochirurgica Supplement. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63453-7_4.

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AbstractHemodynamics is thought to play an important role in the pathogenesis of cerebral aneurysms and recent development of computer technology makes it possible to simulate blood flow using high-resolution 3D images within several hours. A lot of studies of computational fluid dynamics (CFD) for cerebral aneurysms were reported; therefore, application of CFD for cerebral aneurysms in clinical settings is reviewed in this article.CFD for cerebral aneurysms using a patient-specific geometry model was first reported in 2003 and it has been revealing that hemodynamics brings a certain contribut

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Tamimi, Omar. "Hemodynamic Parameters and Calculations in Cardiac Catheterization." In Manual of Pediatric Cardiac Care. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-19-8357-3_28.

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Miranda, Eduardo de Paula, and Felipe Carneiro. "Interpretation and Clinical Implications of Penile Hemodynamic Parameters." In Penile Color Duplex-Doppler Ultrasound in Erectile Dysfunction Diagnosis and Management. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-55649-4_12.

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Mihalef, Viorel, Lucian Itu, Tommaso Mansi, and Puneet Sharma. "Lumped Parameter Whole Body Circulation Modelling." In Patient-specific Hemodynamic Computations: Application to Personalized Diagnosis of Cardiovascular Pathologies. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56853-9_5.

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Nakagawara, Jyoji. "Novel Hemodynamic Parameters for Cerebral Ischemia in Patients with Occlusive Cerebrovascular Disease Using Dual ASL Perfusion Imaging." In Acta Neurochirurgica Supplement. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-89844-0_17.

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Abstract Perfusion MRI via arterial spin labeling (ASL) could not precisely estimate cerebral ischemia severity in patients with occlusive cerebrovascular disease (CVD), because the delayed arrival of arterial blood spins (AB spins) in the affected vascular territories could not be corrected v single post-labeling delay (PLD) setting. In this study, new hemodynamic parameters for cerebral ischemia using dual ASL perfusion imaging under double PLD setting will be proposed. In 67 patients with moyamoya disease (MMD) and 22 patients with large artery atherosclerosis (LAA), hemodynamic parameters

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Konferenzberichte zum Thema "Hemodynamické parametry"

Fedorov, Viktor F., Ivan V. Radysh, Elena G. Geyko, Maxim S. Mailyan, and Kirill A. Balashov. "Gender Differences in Hemodynamic Parameters." In 2025 27th International Conference on Digital Signal Processing and its Applications (DSPA). IEEE, 2025. https://doi.org/10.1109/dspa64310.2025.10977940.

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Kim, Carsi, Andrea Gómez-Carillo, and Ulas Sunar. "Low-frequency oscillations of hemodynamic parameters as a diagnostic measure for traumatic brain injury." In Clinical and Translational Neurophotonics 2025, edited by Jana M. Kainerstorfer, Erin M. Buckley, and Vivek J. Srinivasan. SPIE, 2025. https://doi.org/10.1117/12.3043659.

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Xiang, Jianping, Sabareesh K. Natarajan, Markus Tremmel, et al. "Hemodynamic Metrics Correlate With Intracranial Aneurysm Rupture Status Better Than Morphologic Metrics." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19664.

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Given the considerable risk of treating unruptured intracranial aneurysms (IAs), as well as the known severe morbidity of aneurysm rupture, elucidating those aneurysms that require prophylactic treatment can be a quandary. Traditionally, decision-making to treat an unruptured aneurysm was largely based on the Size of the aneurysm, but recent studies have failed to show significant correlation of Size with IA rupture, and a large number of ruptured aneurysms are small in Size.[1] Consequently, shape-based morphologic metrics have been explored in current investigations, and complex shapes have

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Almeida, Vania G., Luis F. Requicha Ferreira, and Carlos Correia. "Hemodynamic parameters assessment." In 2012 IEEE 2nd Portuguese Meeting in Bioengineering (ENBENG). IEEE, 2012. http://dx.doi.org/10.1109/enbeng.2012.6331379.

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Prince, Chekema, Mingyao Gu, and Sean D. Peterson. "Flow in the Vascular System Post Stent Implantation: Examining the Near-Stent Flow Physics." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80045.

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As a simplified stent model, fully-developed flow of an incompressible, Newtonian fluid through a curved tube with axially aligned wall protuberances is investigated to define the impact of stent implantation on hemodynamic behavior in curved vessels. According to previous research local hemodynamics tends to trigger biochemical pathways that result in the inception and progression of in-stent restenosis (ISR) and ultimately lead to stent failure. In this manuscript, we focus on hemodynamic changes due to stent strut protrusion into the vessel lumen as a facilitator of ISR. We investigate a ra

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Havlík, Jan, Vratislav Fabián, David Macků, Lenka Lhotská, Jan Dvořák, and Lucie Kučerová. "Measurement of hemodynamic parameters." In the 4th International Symposium. ACM Press, 2011. http://dx.doi.org/10.1145/2093698.2093740.

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Ahmed, Meraj, Nirmal Gupta, and Kamal K. Kar. "Design Optimization of a Mono-Leaflet Mechanical Heart Valve to Improve Hemodynamics Using MOGA." In 2025 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2025. https://doi.org/10.1115/dmd2025-1006.

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Abstract The prosthetic mechanical heart valve (MHV) implants cause reduction in the Effective Orifice Area (EOA) leading to increased resistance to the flow of blood. Therefore, the altered hemodynamics causes activation of platelets which leads to thrombosis and thromboembolism. Hence, in the present research, the design of a three-dimensional model of monoleaflet MHV has been optimized to improve its hemodynamic performance. The non-Newtonian viscosity of blood has been simulated using the generalized cross model. A mathematical model for platelet activation state (PAS) has been used to est

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Xiang, Jianping, Nicole Varble, Adnan Siddiqui, Luca Antiga, and Hui Meng. "AView: A Clinical Tool for Hemodynamic and Morphological Analysis of Intracranial Aneurysms." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14770.

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Neurointerventionists are routinely faced with the dilemma whether or not to treat unruptured intracranial aneurysms. Hemodynamic and morphological characteristics have become important considerations for aneurysm rupture-risk assessment [1]. Clinicians require an integrated tool that analyzes these parameters to help make treatment decisions in clinical workflow, however such a tool does not exist. To this end, Toshiba Stroke and Vascular Research Center (TSVRC) at University at Buffalo and Orobix Srl (Italy) have developed a prototype of a computational workflow system. Termed AView, it is a

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Морякина, Светлана Васильевна, Милана Саид-Арбиевна Ойбуева, and Рамиса Саид-Магомедовна Махматханова. "CHARACTERISTIC FEATURES OF PHYSICAL DEVELOPMENT AND STATE OF CENTRAL HEMODYNAMICS IN STUDENTS WITH DIFFERENT LEVELS OF SPORTS TRAINING." In Фундаментальные и прикладные исследования. Актуальные проблемы и достижения: сборник избранных статей Всероссийской (национальной) научной конференции (Санкт-Петербург, Май 2022). Crossref, 2022. http://dx.doi.org/10.37539/fipi328.2022.43.22.004.

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Научная статья посвящена изучению физического развития студентов мужского пола с разным уровнем спортивной подготовки, с целью установления типа гемодинамики и характерных изменений в этой связи со стороны антропометрических и сердечно-сосудистых показателей. Все студенты, участвующие в эксперименте, обладали нормальным нормостеническим телосложением. По видам спорта необходимо отметить подгруппу «единоборцы», которая отличалась по антропометрическим показателям. Со стороны гемодинамических показателей нами было отмечено, что такие параметры гемодинамики, как СО и МОК имеют близкие значения у

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Gundert, Timothy J., Paul Hayden, Raymond Q. Migrino, and John F. LaDisa. "Visualization of CFD Results in a Virtual Reality Environment." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-205067.

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Imaging modalities such as computed tomography, 3D ultrasound and magnetic resonance imaging (MRI) facilitate detailed viewing of vascular geometries [1], but lack the ability to directly measure important hemodynamic parameters associated with the onset and progression of cardiovascular disease (i.e. pressure, wall shear stress) [2]. Computational fluid dynamics (CFD) is a noninvasive tool to quantify these indices in vessels reconstructed from imaging data. Although image-based CFD can be used to relate altered hemodynamics to vascular disease, a disjunction exists between information gather

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Berichte der Organisationen zum Thema "Hemodynamické parametry"

Likhvantsev, Valery, Levan Berikashvili, Ivan Kuznetsov, Mikhail Yadgarov, Pavel Ryzhkov, and Alexey Yakovlev. Diagnostic Accuracy of Hemodynamic Parameters During the Passive Leg Raising Test for Assessing Fluid Responsiveness in Adult Patients: A Systematic Review and Meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2024. http://dx.doi.org/10.37766/inplasy2024.6.0038.

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Wideman, Jr., Robert F., Nicholas B. Anthony, Avigdor Cahaner, Alan Shlosberg, Michel Bellaiche, and William B. Roush. Integrated Approach to Evaluating Inherited Predictors of Resistance to Pulmonary Hypertension Syndrome (Ascites) in Fast Growing Broiler Chickens. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7575287.bard.

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Background PHS (pulmonary hypertension syndrome, ascites syndrome) is a serious cause of loss in the broiler industry, and is a prime example of an undesirable side effect of successful genetic development that may be deleteriously manifested by factors in the environment of growing broilers. Basically, continuous and pinpointed selection for rapid growth in broilers has led to higher oxygen demand and consequently to more frequent manifestation of an inherent potential cardiopulmonary incapability to sufficiently oxygenate the arterial blood. The multifaceted causes and modifiers of PHS make

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