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Rozprawy doktorskie na temat „Veins”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 25 lipca 2025

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1

Kurz, Xavier. "Varicose veins : epidemiology and outcomes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0034/NQ64594.pdf.

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2

Mader, Heidy Marita. "Water veins in polycrystalline ice." Thesis, University of Bristol, 1992. http://hdl.handle.net/1983/e6d58308-f291-4069-9196-b3661a395dc1.

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3

Ghigna, Maria. "Anomalies structurelles et fonctionnelles de l'arbre vasculaire pulmonaire au cours de l'HTAP : de la morphologie à l'analyse moléculaire." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS323/document.

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La physiopathologie des hypertensions pulmonaires (HP) reste encore imparfaitement comprise. Plusieurs mécanismes interviennent dans le développement et la progression du remodelage vasculaire pulmonaire. Les perturbations de communications intercellulaires et l’activation de certaines voies de signalisation sont des phénomènes importants contribuant à l’accumulation excessive de cellules au sein de la paroi des petites artères pulmonaires.Par ailleurs, des facteurs génétiques et environnementaux peuvent prédisposer ou faciliter la progression de ce remodelage vasculaire.L’existence de modific
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4

Loureiro, Marcos Gomes [UNESP]. "Estudo da técnica de venografia dos dígotos de vacas." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/101095.

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Made available in DSpace on 2014-06-11T19:31:08Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-12-19Bitstream added on 2014-06-13T21:02:15Z : No. of bitstreams: 1 000740527.pdf: 2750453 bytes, checksum: 84b108cb780a8a07dcbb67e643bf2540 (MD5)<br>Em bovinos a venografia retrógrada podal é pouco descrita, quando comparada com a espécie equina. O objetivo deste estudo foi descrever a técnica de venografia retrógrada podal em vacas, comparando os acessos da veia digital dorsal comum III com a digital comum II ou IV, nos membros torácicos e pélvicos mediante a administração de dois diferen
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5

Cartwright, Virginia Lucille, and n/a. "Biomechanical properties of arteries and veins." University of Otago. Department of Physics, 2005. http://adt.otago.ac.nz./public/adt-NZDU20060908.145011.

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Saphenous veins are widely used as graft material in coronary artery bypass surgery. Biomechanical testing may help identify veins with the optimum chance of longevity. In this thesis, the author has constructed an experimental apparatus to measure circumferential and axial stress-strain data for such arteries and veins. Three different experimental techniques were used to obtain the dimensions of the vessels during pressure-diameter tests; the traditional method of photographic and direct measurement of the external dimensions along with the assumption of incompressibility to approximate inne
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6

D'Oyley, Heather M. "Vasodilators and venous tone." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/27871.

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The objective of these experiments was to investigate the effects of various membrane receptor-mediated and receptor-independent vasodilators on the resistance and capacitance vessels of conscious, unrestrained rats by measuring mean arterial pressure (MAP) and mean circulatory filling pressure (MCFP), an index of total body venous tone. ln the first set of experiments the dose-response effects of the directly-acting vasodilators nitroglycerin, sodium nitroprusside and hydralazine were determined in intact rats as well as in rats treated with the ganglionic blocker, hexamethonium. The effects
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7

Midha, Prem Anand. "Long-term patency of a polymer vein valve." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29721.

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Thesis (M. S.)--Bioengineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Ku, David; Committee Member: Gleason, Rudolph; Committee Member: Milner, Ross. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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8

Jackson, Richard Robert. "Geometries and mechanics of veins and dykes." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385102.

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9

Arnold, Amy. "Hypoxia-induced responses of porcine pulmonary veins." Thesis, Robert Gordon University, 2017. http://hdl.handle.net/10059/2440.

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The pulmonary vein (PV) constricts to hypoxia however little is known about the underlying mechanisms. Hypoxic PV constriction is proposed to recruit upstream capillary beds and optimise gas exchange in healthy humans and may play a role in high altitude pulmonary oedema. The PV is also intrinsic to disease states including pulmonary hypertension and pulmonary veno-occlusive disease. Blood vessel culture can be a powerful tool to enable assessment of the impact of environmental factors on vessel function and as a disease model. However culture conditions alone affect vessel contractility; the
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10

Beliard, Samuel. "Exercice, veines et maladie veineuse chronique : effets de l'exercice et des conditions de récupération." Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCE009/document.

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Résumé : Le rôle du réseau veineux est central dans la fonction cardiovasculaire, pourtant, au regard de la littérature scientifique, il apparaît comme le« parent pauvre » comparé au cœur ou au réseau artériel. Ce constat vaut aussi bien pour la compréhension de l'hémodynamique veineuse que pour l'analyse physiopathologique de la maladie veineuse chronique en général et plus particulièrement lorsque le lien est fait avec la situation d'exercice. Nos différentes investigations avaient pour buts d'une part de mieux comprendre les adaptations du système veineux lors de l'activité physique et lors
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11

Bertanha, Matheus. "Estudo clínico randomizado e duplo cego comparando dois métodos de escleroterapia para veias reticulares e telangiectasias em membros inferiores." Botucatu, 2016. http://hdl.handle.net/11449/138110.

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Orientador: Marcone Lima Sobreira<br>Resumo: A tese foi subdividida em quatro capítulos, todos redigidos no formato de artigos científicos. O primeiro capítulo, denominado “POLIDOCANOL VERSUS GLICOSE PARA O TRATAMENTO ESCLEROTERÁPICO DE TELANGIECTASIAS DOS MEMBROS INFERIORES: PROTOCOLOS PARA UM ESTUDO CLÍNICO, RANDOMIZADO E CONTROLADO - PG3T” foi cadastrado no site de registro de estudos clínicos dos Estados Unidos da América controlado pelo Food and Drug Administration (EUA, FDA) sob o registro número NCT02657252, com intenção de ampliar a relevância e veracidade do estudo, sendo redigido em
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12

Blomgren, Lena. "Varicose Veins : Aspects on Diagnosis and Surgical Treatment." Doctoral thesis, Uppsala University, Department of Surgical Sciences, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5855.

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<p>Treatment for varicose veins (VV) is insufficiently evidence based and recurrence rates are high. The aim of this thesis was to study the long-term results after VV surgery, risk factors for recurrences and the effect of preoperative duplex scanning on recurrence rate, quality of life (QoL) and costs.</p><p>In a follow-up study 89 patients with 100 legs operated on for VV 6–10 years earlier were re-examined with duplex, in 13 cases also with varicography. 57% had incompetent vessels in the groin visible with duplex, equally well defined by varicography. Residual branches could not be differ
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13

Banerjee, Bibek. "Endothelial cell and leucocyte activity in varicose veins." Thesis, University of Newcastle upon Tyne, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270767.

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14

Winterborn, Rebecca Jane. "The prevention of recurrence following surgery for varicose veins." Thesis, University of Bristol, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492626.

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The development of recurrent varicose veins following primary varicose vein surgery is a significant problem, not only for patients but also for the National Health Service. Varicose vein surgery is one of the commonest elective general surgical operations done in the United Kingdom with over 34,000 operations performed per year. Approximately 20 per cent of procedures are done for recurrent varicose veins. Published recurrence rates range from seven to 70 per cent. Despite these findings, little research has been done into methods of preventing recurrence.
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15

McAree, Barry Jonathan. "Optimisation of minimally invasive therapy for primary varicose veins." Thesis, University of Leeds, 2015. http://etheses.whiterose.ac.uk/11245/.

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Introduction: Primary varicose veins are common with a multitude of non-optimal treatments. Foam sclerotherapy has seen renewed interest but lacks efficacy versus more expensive modalities. The hypothesis of this thesis is that increasing the half-life of foams will improve efficacy as will mechanical adjuncts. Methods: The most efficacious proprietary sclerosants are examined in terms of their foam half-life and histopathological effects in-vitro. The best proprietary foam has its half-life increased and histopathological effects of the three most promising resultant foams similarly assessed.
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16

Lim, Chung Sim. "The hypoxia-inducible factor (HIF) pathway in varicose veins." Thesis, Imperial College London, 2010. http://hdl.handle.net/10044/1/6999.

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Primary varicose vein wall weakness and dilatation are thought to be caused by various biochemical and structural changes. Hypoxia and mechanical stress have been postulated to contribute to primary varicose vein wall changes. Hypoxia-inducible factors (HIF) are nuclear transcriptional factors that regulate the transcription of genes of oxygen homoeostasis. The HIF pathway is regulated by factors including oxygen tension and mechanical stress. The study aimed to assess the expression of HIF and its target genes in varicose and non-varicose veins, and examine their regulation by hypoxia, mechan
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17

Samaraweera, Amal Prasanna Rohan. "MRI white matter lesion central veins in multiple sclerosis." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/44840/.

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This thesis focuses on the use of the Magnetic Resonance Imaging (MRI) white matter lesion (WML) central vein as a biomarker for multiple sclerosis (MS). MS remains a clinical diagnosis, with reliance on MRI to support the diagnosis. Misinterpretation of the MRI can lead to misdiagnoses of diseases that mimic MS. With the increase in disease modifying treatments, accurate and timely diagnosis is needed now more than ever. Using T2* weighted imaging at 3 Tesla (T) MRI, I explored different aspects of WML central veins in patients with relapsing-remitting (RRMS), primary progressive MS (PPMS), a
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18

Guy, Adam John. "Two applications of microwave therapy : psoriasis and varicose veins." Thesis, University of Bath, 2004. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.413065.

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An introduction to the use of microwaves for medical applications is given, with a comparison between different modalities for heating tissue, such as radio-frequency and laser based techniques. The background to the design and construction of applicators using finite element packages is also explained and this knowledge is demonstrated in the design, construction and testing of novel systems to treat psoriasis and varicose veins. The psoriasis treatment system is hyperthermia based, whilst the varicose veins treatment employs ablation, thus giving an insight into two different means of induci
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19

Brar, Ranjeet. "The endovascular treatment of varicose veins : a prospective double-blind randomized controlled trial of radiofrequency versus laser ablation of great saphenous varicose veins." Thesis, St George's, University of London, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.676893.

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Chronic superficial venous insufficiency (CSVI) of the lower limb - commonly termed varicose veins (VV) - is a common and potentially debilitating condition, affecting between one third and two fifths of men and women in Britain. Traditional open dperative techniques are effective and have remained the definitive treatment modality, but modern endovascular techniques, introduced over the last decade, are increasingly perceived to confer the benefits of decreased operative time, invasiveness, patient discomfort and recovery time, making them attractive to clinicians and patients alike. Attempts
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20

Pinto, Luciano de Morais. "Estudo anatômico das veias hepáticas em cães sem raça definida (Canis familiaris - Linnaeus, 1758)." Universidade de São Paulo, 1999. http://www.teses.usp.br/teses/disponiveis/10/10132/tde-15082013-173934/.

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A forma externa do fígado é extremamente variada dentre os mamíferos. Esses tipos de arquitetura apresentam arranjos vasculares próprios, de acordo com o maior ou menor grau de fissuração deste órgão entre as espécies, assumindo particular importância no estabelecimento da segmentação porto-bilo-arterial. Esta importância, no entanto, deve-se principalmente ao fato das veias hepáticas não obedecerem o mesmo trajeto da circulação funcional, o que nos impele a estabelecer um novo padrão segmentar. Mediante observações de peças isoladas, fixadas in situ, como também de moldes plásticos do sistem
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21

Simon, Janice L. "Alteration of venous alpha-adrenoceptor responsiveness in superficial foot veins." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0006/MQ30719.pdf.

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22

Mekako, Anthony. "Optimising outcomes in the treatment of lower limb varicose veins." Thesis, University of Hull, 2012. http://hydra.hull.ac.uk/resources/hull:6871.

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Varicose veins are dilated and tortuous subcutaneous veins, which affect a significant proportion of adults. They cause physical and emotional symptoms, and affect quality of life in sufferers. The management of varicose veins has evolved since the early 20th century, when Babcock described what has now become the gold standard surgical treatment. Perhaps the most significant evolution is the development and popularisation of minimally invasive therapy, especially endovenous laser ablation (EVLA) in the last two decades. This thesis focuses on the optimisation of outcomes in the management of
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23

Dospinescu, Ciprian. "Cellular mechanisms of acute hypoxic pulmonary vasoconstriction in intrapulmonary veins." Thesis, Robert Gordon University, 2009. http://hdl.handle.net/10059/380.

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In the pulmonary circulation, alveolar hypoxia contributes to blood flow regulation. Hypoxic pulmonary vasoconstriction (HPV) involves both pulmonary arteries and veins, but little is known of the contractile mechanisms specific to the veins. The aim of these studies was to examine the hypoxic response in small porcine intrapulmonary veins in relation to the arterial response, and investigate the effects of hypoxia on ion conductances in single myocytes from intrapulmonary veins. In wire myography experiments, intrapulmonary veins contracted more than sizematched arteries in response to hypoxi
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24

Anwar, Muzaffar. "Characterisation of biological factors in the pathogenesis of varicose veins." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24693.

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Varicose veins affect one third of adults. Complications of varicose veins can have detrimental effects on the patient's quality of life. Morphological changes including intimal hyperplasia, smooth muscle cells hypertrophy or atrophy and irregularities of extracellular matrix contents have demarcated varicose from non-varicose veins. Some of the biological mechanisms behind these changes have been illustrated by the studies investigating the individual expressions of proteins (proteomic) and genes (transcriptomics). The evidence from these studies also suggests the role of abnormal cell metabo
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25

Rowland, Matthew Gareth. "The role of magmatic processes in the development of hypogene mineralisation at Quebrada Blanca, Northern Chile." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369192.

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26

Seale, Anna Nancy. "Pulmonary vein stenosis : a population-based study of total anomalous pulmonary venous connection and the impact of pulmonary vein stenosis and a study of congenital pulmonary vein stenosis : the United Kingdom, Ireland and Sweden collaborative study." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607643.

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Fromy, Bérengère Michèle. "Experimental and statistical analyses of the effects of a uniform positive pressure applied to the lower limb in humans on vascular haemodynamics." Thesis, University of South Wales, 1997. https://pure.southwales.ac.uk/en/studentthesis/experimental-and-statistical-analyses-of-the-effects-of-a-uniform-positive-pressure-applied-to-the-lower-limb-in-humans-on-vascular-haemodynamics(d3b8cbba-3318-4c3e-997d-5c3536e983ca).html.

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The determination of required pressure level to provide an optimum treatment is an important task for vascular clinicians. This thesis is a first investigation including both venous and arterial femoral velocities and distal microcirculation of the forefoot to evaluate the effects of varying uniform external compression applied to the whole lower limb in humans. The ultrasound technique has been used to evaluate the maximal venous and arterial velocities in femoral common vessels. The microcirculation and the cutaneous oxygenation of the forefoot were recorded by laser Doppler fluxmetry and tr
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28

MacLaren, Jill E. "A comparison of distraction strategies for venipuncture in young children." Morgantown, W. Va. : [West Virginia University Libraries], 2003. http://etd.wvu.edu/templates/showETD.cfm?recnum=3240.

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Thesis (M.A.)--West Virginia University, 2003.<br>Title from document title page. Document formatted into pages; contains v, 69 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 36-40).
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29

Beaudoin, Georges. "The silver-lead-zinc veins of the Kokanee Range, British Columbia." Thesis, University of Ottawa (Canada), 1991. http://hdl.handle.net/10393/7473.

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In the Kokanee Range, southeastern British Columbia, more than 370 Ag-Pb-Zn vein and replacement deposits are hosted by the Middle Jurassic Nelson batholith and surrounding Cambrian to Triassic metasedimentary rocks in the hangingwall of the Slocan Lake Fault, an Eocene, east-dipping, low angle normal fault. K-Ar and step heating $\sp{40}$Ar/$\sp{39}$Ar analyses on hydrothermal vein and alteration muscovite indicate that hydrothermal fluids were forming vein and replacement deposits 58-59 Ma ago. A 100 Ma time interval is therefore documented between batholith emplacement and spatially associa
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30

Sulaiman, Nadiah. "Decellularised veins as a scaffold for in situ vascular tissue engineering." Thesis, University of Bristol, 2019. http://hdl.handle.net/1983/71d16a49-8294-4cae-ae98-d16da0ee84c0.

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Development of new arterial-like vascular conduits for coronary and peripheral bypass grafting surgery is desirable to overcome the limitations of currently available biological and/or synthetic grafts; to reduce the incidence of early thrombosis, late intimal thickening and infection. One alternative is to use arterialised decellularised venous scaffolds. The aim of this PhD project was to assess the feasibility and suitability of human saphenous vein (hSV) decellularisation as a way to obtain effective biological cellular scaffold for vascular grafting. We identified the optimal sodium dodec
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31

Janacek, Sophie Helen. "Determining the role of photosynthesis around the veins of C₃ plants." Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.612383.

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32

Phillips, Mark N., and n/a. "Anatomy of microvenous valves of normal and venous ulcerated lower limbs." University of Otago. Dunedin School of Medicine, 2005. http://adt.otago.ac.nz./public/adt-NZDU20060523.142055.

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Venous disease is a very common disease that affects millions of people worldwide. While some of the factors that cause the development of varicose veins are well understood, the aetiology of venous ulceration is poorly understood. It has been demonstrated that venous valve failure in the large veins is an important factor leading to the development of varicose veins, however whether similar valves exist in the very small superficial veins of the human leg, and what role these valves may have in venous disease, is unknown. Therefore, the purpose of this study is to: 1. Identify whether venous
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33

Parkin, Lianne, and n/a. "Risk factors for venous thromboembolism." University of Otago. Dunedin School of Medicine, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080513.145314.

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Background: Many risk factors for venous thromboembolism have been identified, but two particular exposures - the use of combined oral contraceptives and long-distance air travel - have generated considerable concern in recent years. In contrast, a possible link between venous thromboembolism and a third exposure - the use of psychotropic drugs - was first raised in the 1950s, but has received surprisingly little attention. Information about all three exposures and the risk of fatal events is limited. These risks were examined in three inter-related national population-based studies. Methods
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34

Petkova, Svetla Bogomilova. "Investigation of portal vein bloodflow in cirrhotic portal hypertiension using computer-based and physical modelling methods." Australasian Digital Theses Program, 2008. http://hdl.handle.net/1959.3/37029.

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Thesis (PhD) - Swinburne University of Technology, 2008.<br>Submitted for the degree of Doctor of Philosophy, Swinburne University of Technology - 2008. Typescript. Includes bibliographical references (p.271-304).
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35

Millan, Cristina. "Syntectonic Fluid Flux in a Glaciated Rift Basin: Record from vein arrays in the AND-1B and AND-2A sedimentary rock cores, Victoria Land Basin, Antarctica." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366309725.

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36

Thiranagama, R. "Comparative anatomy of the forelimb veins in humans and non-human primates." Thesis, Online version, 1986. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.383521.

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37

Hynes, Sheila E. "Geochemistry of tertiary epithermal Ag-Pb-Zn veins in Taxco, Guerrero, Mexico." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0021/MQ46484.pdf.

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38

Brossollet, Louis-Joseph. "Effects of cryopreservation on the biaxial mechanical properties of canine saphenous veins." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/19241.

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39

Herasym, L. N. "Morphogenesis of the internal jugular veins in the perinatal period of ontogenesis." Thesis, БДМУ, 2017. http://dspace.bsmu.edu.ua:8080/xmlui/handle/123456789/16802.

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40

Shepherd, Amanda Claire. "The role of endovenous thermal ablation in the treatment of varicose veins." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/9035.

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Varicose veins are a common problem affecting approximately 30% of the Western population. The majority of patients present to secondary care complaining of a number of commonly experienced symptoms, however, some present with severe complications of venous disease including venous ulceration. For hundreds of years varicose veins have been treated with compression and surgery. In the last decade, technological advances have lead to the introduction of minimally invasive therapies for varicose veins, with the aim of providing rapid treatment with minimum discomfort to the patient at acceptable
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41

Das, Moloy. "Contributing factors and clinical relevance of early arrhythmia recurrence and electrical reconnection of the pulmonary veins following pulmonary vein isolation for atrial fibrillation." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/52456.

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Pulmonary vein isolation (PVI) is the cornerstone of ablation for paroxysmal atrial fibrillation (AF). However, success rates from AF ablation are not as high as would be hoped and this body of work focussed on improving outcomes from this procedure. Late PV reconnection following PVI is very common and is strongly associated with atrial tachyarrhythmia (AT) recurrence. The primary study of this work involved a randomised controlled trial comparing standard care with a strategy of early repeat electrophysiology study, irrespective of symptoms, to assess for and treat PV reconnection. Patients
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42

Tukamoto, Danielle Lilia Dantas. "Análise de arritmias cardíacas no pós operatório tardio de conexão anômala total de veias pulmonares." Faculdade de Medicina de São José do Rio Preto, 2015. http://hdl.handle.net/tede/257.

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Submitted by Natalia Vieira (natalia.vieira@famerp.br) on 2016-05-20T17:54:02Z No. of bitstreams: 1 danielleliliadantastukamoto_dissert.pdf: 6750015 bytes, checksum: a409b5df80783b77a0948c423b3fbcb5 (MD5)<br>Made available in DSpace on 2016-05-20T17:54:02Z (GMT). No. of bitstreams: 1 danielleliliadantastukamoto_dissert.pdf: 6750015 bytes, checksum: a409b5df80783b77a0948c423b3fbcb5 (MD5) Previous issue date: 2015-06-12<br>Introduction: The frequency of events of total anomalous pulmonary venous connection (TAPVC) varies in the different series from 5.9 to 7.1 / 100 000 live births, repres
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Waldman, Alla Medical Sciences Faculty of Medicine UNSW. "Role of transcription factor c-jun in acute inflammation and intimal thickening in bypassed vein grafts: insights using DNAzymes." Publisher:University of New South Wales. Medical Sciences, 2008. http://handle.unsw.edu.au/1959.4/43088.

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Atherosclerosis 'is a key pathological process underlying the development and progression of three major diseases of the vascular system- coronary artery disease, cerebro-vascular and peripheral vascular disease. Chronic vascular wall inflammation is considered as a principal cause in the initiation and progression of atherosclerosis. Intimal thickening that develops in arteries and veins as an adaptive response to an injury has many similarities with atherosclerosis, but at the same time represents a unique pathological entity. This Thesis explores the utility of applying a novel DNAzyme base
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Brown, John Gordon. "A study of deep venous thrombosis." Thesis, Queen's University Belfast, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303015.

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Spalding, Jennifer. "Geochronology and Geochemistry of Calcite-Filled Fractures, Southern Ontario: Insight Into Cretaceous Deformation." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37313.

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The St. Lawrence Platform is located along the northern shoreline of Lake Ontario, currently in an intra-cratonic setting exposing relatively flat-lying middle Ordovician sedimentary strata. The purpose of this study is to gain insight on recent brittle deformation events that have deformed the bedrock. Based on structural field observations, broadly trending E-W extensional joints are the youngest stress recorded in the bedrock. These joints are partially filled and sealed with calcite mineralization and were strategically sampled to gain insight on the source and timing of fluid flow. Trace
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Loureiro, Marcos Gomes. "Estudo da técnica de venografia dos dígotos de vacas /." Botucatu, 2013. http://hdl.handle.net/11449/101095.

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Orientador: Celso Antonio Rodrigues<br>Banca: Marcos Jun Watanabe<br>Banca: Delphim da Graça Macoris<br>Banca: Luis Cláudio Lopes Correia da Silva<br>Banca: Caio Biasi Mauro<br>Resumo: Em bovinos a venografia retrógrada podal é pouco descrita, quando comparada com a espécie equina. O objetivo deste estudo foi descrever a técnica de venografia retrógrada podal em vacas, comparando os acessos da veia digital dorsal comum III com a digital comum II ou IV, nos membros torácicos e pélvicos mediante a administração de dois diferentes volumes de contraste. Foram utilizados 53 membros torácicos e pélv
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Salgado-Medina, Luis, Diego Núñez-Ramírez, Humberto Pehovaz-Alvarez, Carlos Raymundo, and Javier M. Moguerza. "Model for dilution control applying empirical methods in narrow vein mine deposits in Peru." Springer Verlag, 2019. http://hdl.handle.net/10757/656290.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>Empirical methods play an important role in the field of geomechanics due to the recognized complexity of the nature of rock mass. This study aims to analyze the applicability of empirical design methods in vein-shaped hydrothermal mining deposits (narrow vein) using Bieniawski and Barton classification systems, Mathews stability graphs, Potvin and Mawdesley geomechanics classification systems, and mining pit dilution based on the equivalent li
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Robertson, Lindsay Anne. "Incidence of varicose veins, chronic venous insufficiency and venous reflux in the general population and associated risk factors : the Edinburgh Vein Study follow up." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8149.

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Chronic venous disease (CVD) is a common problem in the western world, causes considerable morbidity and has a substantial impact on the health care system in terms of cost of treatment. Most epidemiological research has focussed on the prevalence of varicose veins and ulceration. As such, evidence on the incidence and risk factors is limited. The aim of this study was to measure the incidence of C2 varicose veins, C3-C6 chronic venous insufficiency (CVI) and venous reflux ≥ 0.5 seconds duration in an adult population, and to investigate risk factors associated with the development of these co
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Ikponmwosa, Anna. "Development of a model for foam sclerotherapy in the treatment of varicose veins." Thesis, University of Leeds, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.590478.

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Introduction The development of minimally invasive techniques for the treatment of varicose veins is driven by the aim of achieving results equivalent or superior to surgery whilst minimising complications. Foam sclerotherapy is associated with inferior short-term occlusion rates in comparison to other treatments, suggesting irreversible vein wall injury has not occurred. Further knowledge of the mechanism of action of foam sclerotherapy may facilitate its modification in order to improve clinical efficacy. Methods This study assessed the cellular response to the application of sodium tetradec
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Henderson, Iain Henry Campbell. "Fluid pressure variations in quartz veins, Pyrenees, France : fluid inclusion and cathodoluminescence studies." Thesis, University of Leeds, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.483635.

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