Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 301 for “"Hemodynamic"”.
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Advanced hemodynamic monitoring in children
Contains fulltext : 117512.pdf (Publisher’s version ) (Open Access)
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Acute hemodynamic responses to yoga exercise
… of the present study was to determine the acute hemodynamic responses to twenty-three select yoga postures in advanced and novice yoga practitioners. Additionally, we sought to determine if trunk flexibility is related to arterial stiffness. Using a cross-sectional study design, 37 apparently …
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Hemodynamic monitoring via impulse response estimation
Thesis (Ph. D.)--Michigan State University. Electrical Engineering, 2010
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Investigating Hemodynamic Responses to Electrical Neurostimulation
… resistance. The mechanisms by which these hemodynamic changes occur is still under investigation. The primary aim of this thesis is to elucidate these mechanisms through a thorough synthesis of the existing literature on this subject. Neurostimulation, specifically TENS, is thought to …
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A tool for hemodynamic data analysis
… is the inability to identify impending or recent hemodynamic events that might lead to injury of the newborn's brain. If events that indicate a propensity to experience brain injury can be identified, then such events can be monitored clinically, and steps can be taken to prevent them from …
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Advanced hemodynamic monitoring in critically ill children.
Contains fulltext : 82615.pdf (Publisher’s version ) (Open Access)
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Biophysical modeling of hemodynamic-based neuroimaging techniques
Two different hemodynamic-based neuroimaging techniques were studied in this work. Near-Infrared Spectroscopy (NIRS) is a promising technique to measure cerebral hemodynamics in a clinical setting due to its potential for continuous monitoring. However, the presence of strong systemic interference …
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Mathematical Model for Hemodynamic and Intracranial Windkessel Mechanism
… and fluid mechanics principles to predict the hemodynamics throughout major arterial system and intracranial space. For intracranial system, the dynamical interaction among major intracranial contents and intracranial pressure (ICP) is simulated. Also, the constraints of Monro-Kellie doctrine …
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Transcatheter Mitral Valve Replacement: Structural and Hemodynamic Analysis
… mitral valve (TMV) long-term durability and hemodynamic performance is not known. TMV durability and hemodynamics must match with that of surgical bioprostheses for potential commercialization of TMVR. Experimental and computational approaches were used to find the leaflets’ three-dimensional …
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Investigating mechanisms of hemodynamic control in the brain
… changes in blood flow, collectively known as the hemodynamic response, that are detected by modern neuroimaging techniques such as functional magnetic resonance imaging (fMRI). Intact neurovascular coupling is imperative to neural health as de-coupling of neural activity from blood flow …
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Multiple detector wireless FNIRS sensor to detect hemodynamic activity
<p>An established, non-invasive and flexible technique, "functional Near Infra-Red Spectroscopy" (fNIRS), has opened new opportunities for the study of brain functionality. This powerful method uses the optical properties of a tissue at multiple near infra-red wavelengths to dynamically determine …
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A Morphological and Hemodynamic Analysis of Skeletal Muscle Vasculature
… methods would yield reasonable computation of hemodynamic parameters. Horton's Law of Stream Numbers and the diameter-defined Strahler method were applied to assess the vasculature as a whole, and the results were comparable to previous work. The dimensional and branching characteristics of the …
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Multi-channel blind system identification for central hemodynamic monitoring
Multi-channel Blind System Identification (MBSI) is a technique for estimating both an unknown input and unknown channel dynamics from simultaneous output measurements at different channels through which the input signal propagates. It is a powerful tool particularly for the identification and …
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Hemodynamic outcomes of weaning intraaortic balloon counterpulsation in heart failure
… is a complex "trial and error" process and the hemodynamic outcomes of weaning are unknown (Kantrowitz, Cardona & Freed, 1993; Bolooki, 1998). The purpose of this study was to determine the hemodynamic effects of two patterns of weaning IABC in an animal model of heart failure. A repeated …
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A system identification approach to characterizing intermediate term hemodynamic variability
Thesis (Ph. D.)--Harvard--Massachusetts Institute of Technology Division of Health Sciences and Technology, 1998.
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Hemodynamic Assessment of Y-Incision Aortic Root Enlargement Using Computational Simulations
… study used the Yang procedure to investigate the hemodynamics in the aortic root and bioprosthetic valve regions after aortic root enlargement. Results indicate the velocity magnitude at the sinus regions of a patient who underwent the Yang procedure was slower, indicating risks of flow stasis and …
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