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Dissertations / Theses on the topic 'Circulatory function'

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1

Petrou, Marios Sotiris. "Pharmacological enhancement of skeletal muscle function for circulatory assist." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312845.

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2

Sortica, da Costa Cristine. "Monitoring of cerebral oxygenation, cerebrovascular reactivity and circulatory function in preterm infants." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/283240.

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Monitoring of cerebral oxygenation, cerebrovascular reactivity and circulatory function in preterm infants Brain injury in the preterm infant is associated with death and lifelong disability. Cerebral hypoxia and fluctuations in cerebral blood flow in the first two days of life have been implicated in the pathophysiology of haemorrhagic and ischaemic brain injury. Monitoring of haemodynamic changes during the early transitional circulation from in-utero to ex-utero life are currently based on standard measurements of systemic oxygenation and mean arterial blood pressure, with no reliable asses
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3

Chen, Jinn Jiau Spenser 1980. "Analytical solution to a simplified circulatory model using piecewise linear elastance function." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/87439.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.<br>Includes bibliographical references (p. 105-106).<br>by Jinn Jiau Spenser Chen.<br>S.M.
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4

Yocum, Matthew David. "Arteriogenic Revascularization Does Not Induce Vascular Function Impairment." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/87.

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Functional hyperemia and arteriolar vasodilation are impaired with chronic ischemia. We sought to examine the impact of chronic ischemia on collateral artery function. For this we used two hindlimb ischemia models to dissect the impact of different repair processes on collateral function. Ligation of the femoral artery increases shear stress in the muscular branch and results in outward remodeling and arteriogenesis. In contrast, resection of the femoral artery proximal to the muscular branch induces blood flow divergence and neutral remodeling along with expectedly greater hypoxia and inflamm
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5

McHenry, Kristen L. "Pulmonary Function Testing: Know Your Numbers." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etsu-works/2541.

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6

Nour, Sayed. "Nouvelle théorie hémodynamique « flux et rythme » : concept et applications précliniques en utilisant des nouveaux dispositifs d’assistance circulatoire directeur." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA114862/document.

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Le coeur et les vaisseaux sanguins sont directement issus de l'endothélium et dépendent de sa fonction. Le coeur ne représente pas la seule force motrice de notre système circulatoire, la plupart des stratégies thérapeutiques actuelles des maladies cardiovasculaires sont encore focalisées sur le coeur, négligeant l'ensemble du système circulatoire et le système endothélial. Par exemple, le développement de Dispositifs d'Assistance Cardiaque (DAC) est influencé par le coeur, conçu pour suivre,obéir et doit être synchronisé avec un organe malade.De nombreux « signaux » de nature différente sont
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7

Mattsson, C. Mikael. "Physiology of Adventure Racing : with emphasis on circulatory response and cardiac fatigue." Doctoral thesis, Gymnastik- och idrottshögskolan, GIH, Björn Ekbloms och Mats Börjessons forskningsgrupp, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-1754.

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The overall aims of this thesis were to elucidate the circulatory responses to ultra-endurance exercise (Adventure Racing), and furthermore, to contribute to the clarification of the so called “exercise-induced cardiac fatigue” in relation to said exercise. An Adventure race (AR) varies in duration from six hours to over six days, in which the participants have to navigate through a number of check-points over a pre-set course, using a combination of three or more endurance/outdoor sports, e.g., cycling, running, and kayaking. This thesis is based on the results from four different protocols;
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8

Aissaoui, Nadia. "Analyse du rôle des fonctions ventriculaires longitudinales dans les défaillances cardio-circulatoires graves." Thesis, Paris Est, 2013. http://www.theses.fr/2013PEST0100.

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Les analyses des fonctions ventriculaires gauche (VG) et droite (VD) et des pressions de remplissage sont des éléments importants dans le contexte des défaillances cardio-circulatoires graves car elles ont des conséquences diagnostiques et pronostiques avec un impact sur les prises de décisions thérapeutiques. Toutefois, l'évaluation de la fonction myocardique en cas de choc reste difficile pour des raisons physiopathologiques et technologiques. Les paramètres de fonction ventriculaire longitudinale (FVL) pourraient avoir un intérêt dans ce domaine car ils permettent une évaluation directe d'u
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9

Coetzee, Andreas Retief. "Global and regional myocardial and circulatory function during anaesthesia in the normal heart and in the presence of threatening or overt myocardial ischemia." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85584.

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Thesis (DSc)--Stellenbosch University, 2013.<br>AFRIKAANSE OPSOMMING: Hierdie DSc is fundeer op ‘n aantal aspekte rondom ‘n sentrale tema naamlik die algemene en streeksfunksie van die normale hart of die hart blootgestel aan die risiko van miokardiale isgemie. Die werk is oor ‘n bestek van 25 jaar gedoen en sluit in eksperimentele werk in groot en kleindiere sowel as data verkry in pasiënte. Hoofstuk 1 handel met globale en streeksfunksie in die normale hart met die klem op die meer moderne benadering tot die koppeling van die hart met die sirkulasie en effek van middels op die twee kompone
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10

Zhou, Yirong. "Left Ventricular Dynamics and Pulsatile Hemodynamics during Resuscitation of the Fibrillating Heart Using Direct Mechanical Ventricular Actuation." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1547503362869157.

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11

Priesemann, Max. "Einfluß der Blutviskosität am kardiopulmonalen Bypass und des Kreislaufstillstandes auf die Nierenfunktion bei Neugeborenen, Säuglingen und Kleinkindern mit angeborenen Herzfehlern." Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2001. http://dx.doi.org/10.18452/14651.

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Hintergrund: Das akute Nierenversagen ist eine häufige Komplikation nach einer Herzoperation bei Neugeborenen, Säuglingen und Kleinkindern. Die Bedeutung der postoperativen Hämodynamik für eine Nierenschädigung ist gut bekannt, jedoch ist der Einfluß des kardiopulmonalen Bypasses und des tiefen hypothermen Kreislaufstillstandes weniger klar. Überdies gibt es Veränderungen der Blutviskosität während und nach der Herzoperation am kardiopulmonalen Bypass, welche die Nierenfunktion beeinflussen können. Aus diesem Grunde wurde der Einfluß der Blutviskosität am kardiopulmonalen Bypass und des tiefen
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12

Lugano, Roberta 1983. "Low density lipoproteins, vascular smooth muscle cell function and vascular remodeling." Doctoral thesis, Universitat Pompeu Fabra, 2013. http://hdl.handle.net/10803/283471.

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High levels of circulating low-density lipoproteins (LDL) are one of the major cardiovascular risk factors. Hypercholesterolemia induces endothelial dysfunction and chronic intimal inflammatory cell accumulation, hallmarks of the initiation of atherosclerosis. Additionally, growing human atherosclerotic plaques show proliferation and migration of vascular smooth muscle cells (VSMC) towards the intima producing remodeling of the vascular wall. However, those plaques that are most prone to rupture show a progressive loss of VSMC becoming soft and vulnerable and these lipid-rich high risk plaques
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13

Ayme, Karine. "Modifications de la fonction cardio-circulatoire induites par l'exercice immergé." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM5045/document.

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L'objectif général de notre travail de thèse a été d'évaluer le rapport bénéfice/risque cardiovasculaire de l'exercice immergé. L'exercice immergé est contraignant pour le système cardiovasculaire. Il est potentiellement responsable d'une majoration de la perméabilité et/ou du gradient de pression de la barrière alvéolo-capillaire. Cet effet passe par le biais d'un accroissement des charges cardiaque et respiratoire, une sécrétion de peptides natriurétiques et une hémodilution. L'exposition au froid, la consommation d'anti-inflammatoires non stéroïdiens et la réalisation d'un exercice de forte
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14

Lourenço, António José da Cunha. "Motivações para a aderência ao exercício físico regular em populações especiais." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2002. http://dited.bn.pt:80/29602.

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15

Lourenço, António José da Cunha. "Motivações para a aderência ao exercício físico regular em populações especiais." Master's thesis, Universidade do Porto. Reitoria, 2002. http://hdl.handle.net/10216/9864.

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16

Guerra, Sandra Cristina Correia. "Índices de actividade física habitual e factores de risco das doenças cardiovasculares numa população escolar pediátrica da área do Grande Porto." Phd thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2002. http://dited.bn.pt:80/29603.

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17

Sánchez, Guiu Mª Isabel. "Caracterización funcional y molecular de trombopatías congénitas= Functional and molecular characterization of inherited platelet disorders." Doctoral thesis, Universidad de Murcia, 2014. http://hdl.handle.net/10803/284814.

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Introducción Los trastornos plaquetarios congénitos son un grupo heterogéneo de enfermedades raras que se caracterizan por alterar la producción/función plaquetaria, dando lugar a diátesis hemorrágica. A pesar de que estas enfermedades son muy conocidas, la identificación temprana y la caracterización de los pacientes sigue siendo difícil debido a la heterogeneidad clínica y de laboratorio; la falta de especificidad y la complejidad de los ensayos de la función plaquetaria; el gran número de genes causales; y la ausencia de correlación genotipo-fenotipo. Los proyectos multicéntricos sobre esto
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18

Santos, Albano Paulo Jorge Fernandes Rodrigues dos. "Estudo longitudinal do desenvolvimento da aptidão física e da composição corporal de rapazes e raparigas entre os 10 e os 12 anos-estudo do desenvolvimento da aptidão cardio-respiratória, força abdominal, força superior, flexibilidade e composição corporal." Master's thesis, Instituições portuguesas -- UTL-Universidade Técnica de Lisboa -- -Faculdade de Motricidade Humana, 2002. http://dited.bn.pt:80/29578.

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19

Lucena, Ademar. "Programa exercício e saúde: interferência nas variáveis de aptidão física relacionadas com a saúde-estudo descritivo em mulheres idosas do bairro de Santo Amaro na cidade do Recife, Brasil." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2001. http://dited.bn.pt:80/29526.

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20

Magalhães, Pedro Miguel Queirós Pimenta de. "Alterações hematológicas agudas induzidas por diferentes protocolos de exercício físico exaustivo e inabitual." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2000. http://dited.bn.pt:80/29245.

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21

Giner, Donaire Jordi. "Estàndards i qualitat en la determinació de la funció respiratòria (l’espirometria) a l’atenció primària." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/328706.

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L’espirometria és la prova diagnòstica inicial per a pacients amb símptomes respiratoris. La seva realització s’ha mostrat, tot i en mans expertes, difícil i hi ha un percentatge de pacients que no aconsegueixen complir els criteris de qualitat de les recomanacions vigents (ATS/ERS-2005). Diferents estudis demostren, en l’assistència primària, que la seva qualitat dista molt de ser la desitjada, el que pot produir diagnòstics i tractaments incorrectes. La hipòtesi d’aquesta tesi és que amb els sistemes informàtics de suport a la seva realització es pot aconseguir i mantenir un major nivell d
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22

Andrea, Riba Rut. "Caracterització clínica, analítica i per imatge de la insuficiència cardíaca amb fracció d'ejecció preservada en pacients ambulatoris." Doctoral thesis, Universitat de Barcelona, 2014. http://hdl.handle.net/10803/283259.

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La insuficiència cardíaca (IC) es una malaltia amb elevada prevalença, morbilitat i mortalitat. IC no és sinònim de disfunció sistòlica. La fracció d’ejecció pot estar preservada si és >50% (ICFEP) o reduïda si és ≤50% (ICFER). La ICFEP representa la meitat dels casos d’IC. Tot i així, donada la seva dificultat per fer-ne el diagnòstic i el desconeixement de la seva fisiopatologia es troba infradiagnosticada, principalment quan es manifesta de manera no aguda en l’entorn ambulatori. La ICFEP afecta a pacients d’edat avançada i el seu símptoma principal és la dispnea pel que no resulta estra
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23

Megias, Rangil Isabel Clara. "Obesidad mórbida y arteriosclerosis subclínica." Doctoral thesis, Universitat Rovira i Virgili, 2014. http://hdl.handle.net/10803/292250.

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La disfunció endotelial, el gruix íntima-mitja (GIM) i la rigidesa arterial es consideren avui dia marcadors d’arteriosclerosis precoç. La obesitat i l’excés de pes s’han associat a disfunció endotelial, major gruix íntima-mitja i pitjor rigidesa arterial, però no existeixen dades concretes sobre l’efecte de la obesitat mòrbida en aquests paràmetres. Els nostres objectius van ser estudiar marcadors d’arteriosclerosis subclínica com el GIMc, la funció endotelial i la rigidesa arterial en una població de pacients amb sobrepès, obesitat i obesitat mòrbida i avaluar els determinants d’aquests en
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24

Pelteku, Altin E. "Development of an electromagnetic glottal waveform sensor for applications in high acoustic noise environments." Link to electronic thesis, 2004. http://www.wpi.edu/Pubs/ETD/Available/etd-0114104-142855/.

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Thesis (M.S.)--Worcester Polytechnic Institute.<br>Keywords: basis functions; perfectly matched layers; PML; neck model; parallel plate resonator; finite element; circulator; glottal waveform; multi-transmission line; dielectric properties of human tissues; radiation currents; weighted residuals; non-acoustic sensor. Includes bibliographical references (p. 104-107).
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25

Lee, Hong-Li, and 李浤岦. "Effect of Heat Shock on The Circulatory Function in Anaphylactic Shock." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/57625221667676664038.

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26

Dai, Tzu-Hsuan, and 戴子軒. "Construction and Development of Liver Circulatory System for the Study of Liver Function Enhancement." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86595579419039122473.

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碩士<br>國立清華大學<br>動力機械工程學系<br>99<br>In the past decade, liver disease has been one of the top ten death causes. Medical science researchers have focused on the development and testing of required drug. The effective functioning and safety of a new developed drug must be ensured via numerous experiments before reaching the market. Therefore, the developments of drug experiment platform become the focal point of biomedical research in recent years. Conventional biomedical studies are carried out either in vivo or in vitro. In vivo research utilizing intact organisms can provide high resemblanc
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27

LIN, KAI-NAN, and 林凱南. "Effect of inner ear circulatory disturbance on the cochlear structure and function in the guinea pig." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/90622600447631773298.

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28

Hu, Chang-Lin, and 胡長霖. "Study of Functional Circulatory Parameters Using Laser Doppler Flowmeter." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/37998692632073584262.

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碩士<br>國立臺灣大學<br>電機工程學研究所<br>92<br>Since 1973, the development of laser Doppler flowmetry has been widely used to measure the motion of particles. Among various applications, its biomedical application is especially noticeable. Characterizing for its noninvasive measurement, perfect resolution of velocity, and high spatial resolution, laser Doppler flowmetry has become an essential tool for clinical microcirculation researches. We can’t directly judge whether circulatory function is dysfunctional through microcirculatory flow because the differences between the microcirculatory structures
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Cai, Lian-Gui, and 蔡蓮貴. "Studies on the effect of endotracheal intubation with regard to circulatory responses and sympathetic pituitary-adrenocortical functions." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/68072710373507042863.

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