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Dissertations / Theses on the topic 'Valve tricuspide'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Antoniali, Fernando. "Determinação da proporção entre os segmentos do anel da valva tricuspide : estudo anatomico em corações de humanos." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/311156.

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Orientador: Domingo Marcolino Braile<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas<br>Made available in DSpace on 2018-08-07T03:55:43Z (GMT). No. of bitstreams: 1 Antoniali_Fernando_M.pdf: 4775200 bytes, checksum: 8361f227d501574e0c98c3965065c58b (MD5) Previous issue date: 2006<br>Resumo: Objetivo: Determinar a proporção existente entre os segmentos do anel da valva tricúspide normal em humanos. Método: Foram estudados 30 corações de cadáveres humanos não formolizados, com menos de 6h de período ¿post-mortem¿, sem lesões congênitas ou adquiridas

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2

Bonhomme, Stéphanie. "Insuffisance tricuspide, première manifestation d'une tumeur carnicoi͏̈de de l'ovaire : à propos d'un cas et revue de la littérature." Paris 13, 2004. http://www.theses.fr/2004PA130035.

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3

Roubertie, François. "Identification de substrats arythmogènes et des mécanismes de décompensation dans une population de tétralogie de Fallot à l’âge adulte et perspectives de prise en charge ultérieure." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0421/document.

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Le nombre d’adultes porteurs d’une tétralogie de Fallot opérée dans l’enfance est en constante augmentation. Initialement, ces patients étaient considérés comme guéris. A l’âge adulte, ils présentent en fait des complications d’ordre rythmique, responsables de morts subites, et des complications d’ordre mécanique : dilatation du ventricule droit (VD) liée à l’insuffisance pulmonaire chronique, séquellaire de la première chirurgie de réparation de la cardiopathie. Les mécanismes de l’arythmie ainsi qu’une éventuelle interaction entre la dysfonction VD et la survenue de ces arythmies ne restent

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4

Amini, Khoiy Keyvan. "Biomechanical Characterization and Simulation of the Tricuspid Valve." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1542651986497595.

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5

THOMAS, VINEET SUNNY. "A Multiscale Framework to Analyze Tricuspid Valve Biomechanics." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1542255754172363.

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6

Spinner, Erin M. "Tricuspid valve mechanics: understanding the effect of annular dilatation and papillary muscle displacement." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/45754.

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Tricuspid regurgitation (TR), back flow of blood from the right ventricle to the right atrium, has been reported in approximately 85% of the population, with 16% having mild or severe TR. Patients with untreated moderate to severe TR are likely to experience decreased exercise capacity and have increased morbidity and mortality, thus affecting the patient's quality of life. Current methods of repair offer limited rates of success, and many patients require further operations to correct returning levels of TR. Incomplete repair may be due to incomplete understanding of the functional anatomy a

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7

Warsi, Mohammed Ali. "Ebstein anomaly of the tricuspid valve in an adult cohort." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0003/MQ46203.pdf.

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8

Roczek, Emily [Verfasser]. "Influence of Right Ventricular Leads of Cardiac Devices on Tricuspid Valve Function and Occurrence of Tricuspid Regurgitation / Emily Roczek." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2021. http://d-nb.info/1228859469/34.

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9

Silva, José Pedro da. "Nova técnica cirúrgica para a correção da anomalia de Ebstein: resultados imediatos e em longo prazo." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/5/5156/tde-28012009-154640/.

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Introdução: As principais operações para correção da anomalia de Ebstein baseiam-se na reconstrução da valva atrioventricular direita (AVD) em formato monovalvular, tendo resultados comprometidos pela necessidade de substituição ou alta reincidência de insuficiência valvar. Uma nova técnica foi desenvolvida, diferenciado-se das anteriores, pela correção anatômica da valva AVD, resultando na coaptação plena das válvulas no fechamento valvar. O objetivo deste estudo é avaliar a aplicabilidade dessa técnica, estudando os seus efeitos na evolução clínica, função da valva, restauração do ventrículo

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10

FIGUEROA, AGUILAR GABRIELA. "“DISPLASIA VALVULAR TRICUSPIDEA EN PERRO RAZA BULLDOG INGLES” REPORTE DE CASO." Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2016. http://hdl.handle.net/20.500.11799/66356.

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The development of a clinical case of a canine breed Bulldog ingles, 3.5 months old male having difficulty breathing, impaired physical activity as well as an abdominal protuberance described. To a breath chest auscultation with an intensity of 6/6, arrhyth- mias and death rattles perceived. A radiographic study was conducted as an adjunct to physical examination, by which, generalized cardiomegaly, dorsal displacement of the trachea, lung radiopacity with alveolar pattern is observed, plus an echocardiogram in which ventricular septal defect was observed, volume overload, artery dilated pulmo

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11

Conklin, Colleen. "Disparities in Survival and Mortality among Infants with Congenital Aortic, Pulmonary, and Tricuspid Valve Defects by Maternal Race/Ethnicity and Infant Sex." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3046.

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Background: The etiology of congenital heart valve defects is not well understood; little is known about the risk factors that contribute to the survival and mortality outcomes of children with these defects. Methods: Using data from the Texas Birth Defects Registry (TBDR) we conducted a retrospective cohort study of 2070 singleton infants with congenital aortic, pulmonary, or tricuspid valve atresia or stenosis born in Texas between January 1, 1996 and December 31, 2007 to Hispanic, Non-Hispanic (NH) black, and NH white women. TBDR data were death-to-birth matched by the Texas Vital Statistic

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12

Fava, Marika. "Proteomics analysis of intracellular and extracellular proteome in aneurysmal patients with bicuspid and tricuspid aortic valve." Thesis, St George's, University of London, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706521.

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Background. Thoracic aortic aneurysm (TAA) is a degenerative disease of the aortic wall and is associated with an increased risk of aortic rupture. TAA is a more prevalent complication in patients with bicuspid aortic valve (BAV) compared to those with tricuspid aortic valve (TAV). Objectives. We aimed to investigate first, changes in intracellular proteins by comparing BAV and TAV patients with aneurysm, and second, regional changes in extracellular matrix (ECM) proteins by comparing the lesser (concavity) and the greater (convexity) aortic curvatures of BAV patients with and without aneurysm

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13

Lourenço, Magali Gaspar. "Análise da morfologia e da vascularização do aparelho valvar das valvas mitral e tricúspide do homem: analogia com o coração canino." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/5/5144/tde-25062009-095303/.

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Objetivou-se, neste trabalho, estudar a morfologia e vascularização do aparelho valvar das valvas mitral e tricúspide em corações humanos, comparando os resultados com aqueles obtidos em cães. A estereologia foi usada como ferramenta que permitiu avaliar os volumes entre as cúspides valvares, cordas tendíneas e mm. papilares, para o conhecimento das relações anatômicas desta estrutura. Foram analisados 15 corações humanos (10 homens e cinco mulheres, com idades variando de 9 a 77 anos) e 15 corações caninos (Canis familiaris - SRD 10 machos e cinco fêmeas, adultos). Os corações, sem alteraçõe

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14

Lyko, Christine [Verfasser], John [Akademischer Betreuer] Hess, and Georg [Akademischer Betreuer] Schmidt. "Visualization of flow in the ascending aorta: bicuspid aortic valves compared to tricuspid aortic valves / Christine Lyko. Gutachter: John Hess ; Georg Schmidt. Betreuer: John Hess." München : Universitätsbibliothek der TU München, 2014. http://d-nb.info/1049783212/34.

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15

Dalva, Moíse. "Estudo do remodelamento ventricular e dos anéis valvares na cardiomiopatia dilatada: avaliação anátomo-histopatológica." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/5/5156/tde-05042012-085911/.

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Introdução: A insuficiência cardíaca congestiva (ICC) ocasionada pela cardiomiopatia dilatada idiopática (CMDId) constitui-se em quadro causador de grande impacto na saúde pública, apresentando morbidade e mortalidade significativas, porém muitos aspectos referentes à sua fisiopatologia ainda permanecem desconhecidos, de modo que trabalhos que estudem tais aspectos poderão contribuir para melhor entendimento desta entidade. Objetivos: Avaliar aspectos anatômicos e histológicos de corações com CMDId e compará-los a um grupo controle de corações normais, obtendo-se as medidas dos perímetros dos

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16

Ninno, Milena Almeida Prado. "Dopplervelocimetria do fluxo normal da valva tricúspide fetal entre 11 e 13 semanas e 6 dias de gestação." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5139/tde-27052010-164819/.

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Objetivo: Determinar os valores dopplervelocimétricos normais do fluxo através da valva tricúspide em gestações únicas, entre 11 e 13 semanas e seis dias. Examinar a reprodutibilidade dos parâmetros avaliados e sua correlação com variáveis clínicas maternas e obstétricas. Métodos: Estudo prospectivo envolvendo 166 gestações únicas, com desfecho normal, examinadas entre 11 e 13 semanas e seis dias, no período de fevereiro de 2006 a agosto de 2008. Foram aferidas as velocidades máximas das ondas E e A, duração do ciclo cardíaco completo e sua fase diastólica e calculadas as relações onda E/onda

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17

Díez, Solórzano Lorena. "Very long-term results of mitral and tricuspid valve repair in rheumatic valve disease with the Duran flexible annuloplasty. Resultados a muy largo plazo de la reparación valvular mitro-tricúspide en la enfermedad reumática con la técnica de anuloplastia de Durán." Doctoral thesis, Universidad de Cantabria, 2014. http://hdl.handle.net/10803/286271.

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122 pacientes fueron intervenidos realizándose una doble reparación mitral y tricúspide por una enfermedad orgánica reumática. La reparación de la válvula mitral consistió en una anuloplastia con anillo flexible de Durán asociada a comisurotomía en 98 pacientes (80.3%) y anuloplastia flexible aislada en 24 pacientes (19.7%). La reparación valvular tricúspide se realizó en 78 pacientes (63.9%) mediante anuloplastia con anillo flexible y comisorotomía, y en 44 (36.1%) una anuloplastia con anillo flexible de Durán® aislada. La comisurotomia mitral cerrada previa y el tiempo postclampaje constituy

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18

Blanchard, Cédric. "Etude morphologique et métrologique des sinus de Valsalva par traitement d'images tomographiques." Phd thesis, Université de Bourgogne, 2012. http://tel.archives-ouvertes.fr/tel-00825485.

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L'objectif de cette thèse est l'élaboration et l'application de traitements d'images pour permettre une étude objective et fiable des sinus de Valsalva, importantes cavités de la base de l'aorte. Les méthodes proposées s'appliquent aux séquences ciné-IRM et aux examens de scanner sans qu'il n'y ait à modifier le paramétrage entre deux examens. Pour cela, nous avons d'abord étudié la morphologie de cette zone anatomique puis détaillé les différentes propriétés communes à toutes les images de sinus. Ceux-ci font en l'occurrence partie des principaux organes clairs et peu mobiles. Nous avons donc

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19

Gomes, Mariana de Castilho de Paula. "Contribuição para a avaliação de hipertensão pulmonar em cães com doença mixomatosa da válvula mitral." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2016. http://hdl.handle.net/10400.5/12438.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A doença mixomatosa da válvula mitral é a doença cardíaca adquirida mais comum em cães, estando associada a um aumento da pressão no átrio esquerdo com possível ocorrência de transmissão passiva retrógrada de pressão para as veias e capilares pulmonares. Na hipertensão pulmonar venosa crónica pode ocorrer vasoconstrição e remodelação vascular, originando hipertensão pulmonar arterial. Esta pode levar a hipertrofia e dilatação do ventrículo direito e eventualmente insuficiência cardíaca congestiva direita. Em Medicina Veterinária, o d

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20

Marquis, Gravel Guillaume. "Étude de cohorte rétrospective analytique et descriptive des résultats échocardiographiques et cliniques de la chirurgie valvulaire tricuspidienne." Thèse, 2010. http://hdl.handle.net/1866/4951.

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Résumé - Les données concernant la prise en charge chirurgicale de la maladie tricuspidienne reposent sur des études de cohortes à petite échelle et peu d’entre elles se sont intéressées aux résultats échocardiographiques et aux facteurs de risque de mortalité et de morbidité. Une étude de cohorte rétrospective descriptive et analytique fut effectuée pour analyser l’expérience de l’Institut de Cardiologie de Montréal concernant la chirurgie de la VT. Les données ont été récoltées à l’aide des dossiers médicaux. Durant la période 1977-2008, 792 PVT et 134 RVT furent effectués (âge médian : 62

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21

杉浦, 純也, and Junya Sugiura. "Effects of tricuspid valve surgery on tricuspid regurgitation in patients with hypoplastic left heart syndrome: a non-randomized series comparing surgical and non-surgical cases." Thesis, 2014. http://hdl.handle.net/2237/20408.

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22

"Determinação da proporção entre os segmentos do anel da valva tricuspide : estudo anatomico em corações de humanos." Tese, Biblioteca Digital da Unicamp, 2006. http://libdigi.unicamp.br/document/?code=vtls000389757.

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23

Dobrovie, Monica. "Reversibility of severe mitral valve regurgitation after left ventricular assist device implantation single-centre observations from a real-life population of patients." 2020. https://ul.qucosa.de/id/qucosa%3A70923.

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This study evaluates the impact of untreated preoperative severe mitral valve regurgitation (MR) on outcomes after left ventricular assist device (LVAD) implantation. Of the 234 patients who received LVAD therapy in the Heart Center Leipzig during a 6-year period, we selected those who had echocardiographic images of good quality and excluded those who underwent mitral valve replacement prior to or mitral valve repair during LVAD placement. The 128 patients selected were divided into 2 groups: Group A with severe MR (n = 65) and Group B with none to moderate MR (n = 63, 28 with moderate MR). W

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24

VanDusen, Nathan J. "Hand2 function within non-cardiomyocytes regulates cardiac morphogenesis and performance." Thesis, 2014. http://hdl.handle.net/1805/6170.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>The heart is a complex organ that is composed of numerous cell types, which must integrate their programs for proper specification, differentiation, and cardiac morphogenesis. During cardiac development the basic helix-loop-helix transcription factor Hand2 is dynamically expressed within the endocardium and extra-cardiac lineages such as the epicardium, cardiac neural crest cells (cNCCs), and NCC derived components of the autonomic nervous system. To investigate Hand2 function within these populations we utilized multiple murine Hand

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25

Brass, Margaret Mary. "Biomechanical and morphological characterization of common iliac vein remodeling: Effects of venous reflux and hypertension." Thesis, 2014. http://hdl.handle.net/1805/5278.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>The passive properties of the venous wall are important in the development of venous pathology. Increase in venous pressure due to retrograde flow (reflux) and obstruction of venous flow by intrinsic and extrinsic means are the two possible mechanisms for venous hypertension. Reflux is the prevailing theory in the etiology of venous insufficiency. The objective of this thesis is to quantify the passive biomechanical response and structural remodeling of veins subjected to chronic venous reflux and hypertension. To investigate the eff

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