Academic literature on the topic 'Implantation of a vascular prosthesis/methods'

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Journal articles on the topic "Implantation of a vascular prosthesis/methods"

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Schneider, A., M. Chandra, G. Lazarovici, et al. "Naturally Produced Extracellular Matrix Is an Excellent Substrate for Canine Endothelial Cell Proliferation and Resistance to Shear Stress on PTFE Vascular Grafts." Thrombosis and Haemostasis 78, no. 05 (1997): 1392–98. http://dx.doi.org/10.1055/s-0038-1665417.

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SummaryPurpose: Successful development of a vascular prosthesis lined with endothelial cells (EC) may depend on the ability of the attached cells to resist shear forces after implantation. The present study was designed to investigate EC detachment from extracellular matrix (ECM) precoated vascular prostheses, caused by shear stress in vitro and to test the performance of these grafts in vivo. Methods: Bovine aortic endothelial cells were seeded inside untreated polytetrafluoro-ethylene (PTFE) vascular graft (10 X 0.6 cm), PTFE graft precoated with fibronectin (FN), or PTFE precoated with FN a
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Basir, Amir, Philip de Groot, Paul F. Gründeman, et al. "In Vitro Hemocompatibility Testing of Dyneema Purity Fibers in Blood Contact." Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery 10, no. 3 (2015): 195–201. http://dx.doi.org/10.1097/imi.0000000000000163.

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Objective Heart valve and vascular prosthesis implantation is a common procedure for patients with heart valve stenosis or regurgitation and dilated or obstructive vascular disease. Drawbacks of conventional valve prostheses are the requirement for anticoagulant drugs, moderate durability, and suboptimal resistance to fatigue and tear. Dyneema Purity fibers are made from ultra-high-molecular-weight polyethylene filaments and are very thin, flexible, and fatigue and abrasion resistant and have high strength. Therefore, prostheses made from Dyneema Purity fibers might be attractive for use in th
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Töpel, Betz, Uhl, Wiesner, Bröckner, and Steinbauer. "Use of biosynthetic prosthesis (Omniflow II®) to replace infected infrainguinal prosthetic grafts - first results." Vasa 41, no. 3 (2012): 215–20. http://dx.doi.org/10.1024/0301-1526/a000188.

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Background: The current treatment standard of infected infrainguinal prosthetic vascular grafts includes total graft explantation and autologous vascular reconstruction. In the absence of appropriate autologous venous graft material prosthetic grafts with increased bacterial resistance can be used, whereas reinfection rates are still higher than after autologous reconstruction. Biosynthetic grafts have shown low postoperative infection rates when used as elective bypass material. Their higher resistance to bacterial infection could make them an alternative to replace infected prosthetic grafts
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Tupikin, R. S., S. K. Chibirov, A. A. Zebelyan, A. N. Fedorchenko, and V. A. Porhanov. "Endovascular treatment of spurious aneurysm of the aorto-femoral shunt with the use of a stent graft." Innovative medicine of Kuban, no. 3 (September 21, 2019): 49–52. http://dx.doi.org/10.35401/2500-0268-2019-15-3-49-52.

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This report presents a clinical case of endovascular treatment of a rare complication - a spurious aneurysm from a linear aorto-femoral shunt. We performed implantation of a self-expandable stent graft directly into the vascular prosthesis in the projection of the defect of its wall. We tried to foresee possible procedural complications, and in this regard to justify the choice of tactics of treatment and selection of the applied tools. Given the lack of available literature data on the methods and techniques of interventions in this pathology, we believe that our experience will be interestin
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Wang, Jian, Peng Wu, Qiang Liu, et al. "Effect of a three-piece inflatable penile prosthesis combined with a phosphodiesterase-5 inhibitor on erectile dysfunction." Journal of International Medical Research 49, no. 4 (2021): 030006052098536. http://dx.doi.org/10.1177/0300060520985365.

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Objective To investigate the therapeutic effect of implanting a three-piece inflatable penile prosthesis (IPP) combined with the phosphodiesterase-5 inhibitor sildenafil in severe erectile dysfunction (ED) patients. Methods This randomized controlled study included 123 ED patients. Sixty-two patients received the IPP implantation and 61 patients received the IPP implantation and the phosphodiesterase-5 inhibitor sildenafil. Erectile function and sexual life quality were evaluated using the five-item International Index of Erectile Function (IIEF) and modified Sexual Life Quality Questionnaire–
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Stanevičiūtė, Elvyra, Inga Urtė Builytė, Martynas Ridziauskas, et al. "Efficacy of Antiseptic Solutions in Treatment of Staphylococcus Aureus Infected Surgical Wounds with Patches of Vascular Graft: An Experimental Study in Rats." Medicina 55, no. 4 (2019): 106. http://dx.doi.org/10.3390/medicina55040106.

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Background and objectives: Treatment of a prosthetic vascular graft infection (PVGI) remains a challenging problem in vascular surgery. The aim of this study was to design a novel rat model for treatment of peripheral vascular prosthesis infection caused by Staphylococcus aureus (S. aureus) and to determine the efficacy of different antiseptic solutions in suppressing or eradicating infection from the wound and the graft material itself. Materials and methods: A piece of Dacron vascular prosthesis was surgically implanted at the dorsum of 48 Wistar rats and the wounds were infected with 5 McFa
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Bruns, Christiane, Bernd Wolfgarten, Michael Walter, Heinz Pichlmaier, and Jürgen Koebke. "Gasless Videoendoscopic Implantation of an Aortobifemoral Vascular Prosthesis via a Transperitoneal versus Extraperitoneal Approach: An Experimental Study." Journal of Endovascular Therapy 3, no. 3 (1996): 290–96. http://dx.doi.org/10.1177/152660289600300308.

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Purpose: To report progress in the development of a new minimally invasive surgical technique for aortobifemoral grafting utilizing gasless videoendoscopy. Methods: In an experimental study, aortobifemoral Dacron vascular prostheses were implanted in 20 human cadavers using videoendoscopic techniques in both transperitoneal and extraperitoneal approaches. Rather than inducing pneumoperitoneum, the abdominal wall was elevated with an electrically powered lifting system. Results: Each approach was utilized in 10 cadavers for implantation of 20 aortobifemoral grafts under endoscopic guidance in a
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Gentile, Giorgio, Alessandro Franceschelli, Paolo Massenio, et al. "Patient’s satisfaction after 2-piece inflatable penile prosthesis implantation: An Italian multicentric study." Archivio Italiano di Urologia e Andrologia 88, no. 1 (2016): 1. http://dx.doi.org/10.4081/aiua.2016.1.1.

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Introduction: Penile prosthesis implant represents a valuable solution for pts with severe erectile dysfunction (ED), non-responders to medical management. The aim of our study was to evaluate the satisfaction of patients (pts) after 2-pieces inflatable penile prosthesis (IPP). Aim of the study: to evaluate safety, reliability and post-operative patient’s satisfaction after implantation of two-pieces IPP. Materials and Methods: This retrospective multicentric analysis concerns a group of 42 patients undergone 2-pieces IPP implantation from November 2005 to November 2013, in four Centers of pro
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White, Rodney A., Carlos E. Donayre, Christian deVirgilio, Eric Weinstein, Fermin Tio, and George Kopchok. "Deployment Technique and Histopathological Evaluation of an Endoluminal Vascular Prosthesis Used to Repair an Iliac Artery Aneurysm." Journal of Endovascular Therapy 3, no. 3 (1996): 262–69. http://dx.doi.org/10.1177/152660289600300302.

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Purpose: To describe the deployment technique, function, and gross healing of an endoluminal vascular prosthesis deployed in a high-risk patient for treatment of a common iliac artery (CIA) aneurysm. Methods: An 82-year-old, high-risk male with a 4-cm-diameter CIA aneurysm approximately 4.5 to 5 cm long was treated with endoluminal exclusion of the lesion using a 6-cm-long, 14-mm-internal diameter Dacron vascular prosthesis with Palmaz 308 stents sutured to either end of the graft. Intravascular ultrasound (IVUS) imaging facilitated sizing of the endograft and its accurate positioning so as to
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Furukoshi, Maya, Eisuke Tatsumi, and Yasuhide Nakayama. "Application of in-body tissue architecture–induced Biotube vascular grafts for vascular access: Proof of concept in a beagle dog model." Journal of Vascular Access 21, no. 3 (2019): 314–21. http://dx.doi.org/10.1177/1129729819874318.

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Introduction: The first choice of vascular access for hemodialysis is an autogenous arteriovenous fistula, because prosthetic arteriovenous grafts have a high probability of failure. In this study, Biotubes, in-body tissue architecture–induced autologous collagenous tubes, were evaluated for their potential use as vascular access grafts. Three animal implantation models were developed using beagle dogs, and the in vivo performance of Biotubes was observed after implantation in the acute phase as a pilot study. Methods: Biotubes (internal diameter ca. 4.0 mm, length ca. 5.0 cm, and wall thickne
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Dissertations / Theses on the topic "Implantation of a vascular prosthesis/methods"

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Carrillo, Luis Ramon Virgen. "Estudo piloto do impacto da terapia antiproliferativa com everolimus administrado por via oral na diminuição de reestenose após implante de stent auto-expansível de nitinol para tratamento de lesões oclusivas da artéria femoral superficial." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/5/5156/tde-08092009-132807/.

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INTRODUÇÃO: A implantação de stent auto-expansível de nitinol para o tratamento das lesões oclusivas femoro-poplíteas tem sido associado com maus resultados a longo prazo. O everolimus administrado via oral para inibir reestenoses do stent foi investigado recentemente em animais com bons resultados, porém sua segurança e eficácia não têm sido estudada em seres humanos. O propósito deste estudo piloto foi avaliar o impacto da terapia antiproliferativa com everolimus administrado via oral por 28 dias na diminuição de reestenose após implante de stent auto-expansível de nitinol para tratamento de
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Chaves, Áurea Jacob. ""Análise volumétrica da hiperplasia intimal intra-stent em pacientes diabéticos tratados com e sem abciximab"." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/5/5131/tde-09082005-113017/.

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Noventa e seis pacientes com diabetes melito do tipo 2 foram randomizados para receberem ou não abciximab durante o implante eletivo de stent coronário, com o objetivo de determinar se esse inibidor da glicoproteína IIb/IIIa reduz a hiperplasia intimal intra-stent, avaliada pelo ultra-som intracoronário, aos seis meses de evolução. A análise volumétrica mostrou que o abciximab não reduz o volume de obstrução intra-stent nestes pacientes [41,3% (DP21,0%) versus 40,5% (DP18,3%), p=0,853].<br>Ninety-six type 2 diabetics were randomly assigned to receive abciximab or no abciximab at the time of el
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Orra, Hussein Amin. ""Estudo experimental da transmissão da pulsatilidade da endoprótese à parede do aneurisma da aorta após correção endoluminal"." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/5/5132/tde-21122005-140229/.

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Objetivo: Medir a pulsatilidade da parede do aneurisma de aorta humano antes e depois de sua correção endoluminal. Método: Cinco aneurismas foram submetidos à perfusão pulsátil antes e depois do implante de uma endoprótese. Resultado: o nível da coluna de água oscilou durante a pulsação com variações de 17, 16, 13, 7 e 25 cm antes da colocação da endoprótese. Depois da prótese, a oscilação diminuiu em todos os casos para 13, 12, 9, 3,5 e 23 cm, respectivamente. Conclusão: A pulsação da endoprótese é transmitida à parede do aneurisma<br>Objective: To measure the pulsatility of human aortic aneu
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Neto, Paulo Isao Sassaki. "Estudo experimental comparativo de remendos arteriais de polidimetilsiloxano com reforço de tecido de poliéster (PDMSr) versus politetrafluoretileno expandido (PTFEe) em aorta de coelhos." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/5/5132/tde-09012015-161145/.

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Introdução: Apesar de bons resultados descritos na literatura, o substituto ideal para a utilização como remendo no fechamento arterial ainda não existe. Por este motivo, ainda há espaço para a busca por remendo que seja biocompatível, e que apresente facilidade de manuseio e resultados satisfatórios. Avaliamos remendos arteriais de silicone (polidimetilsiloxano com reforço em poliéster - PDMSr) em comparação com remendos arteriais de PTFEe. Objetivo: O objetivo deste trabalho é comparar, em modelo experimental, em coelhos, os resultados de remendos arteriais feitos em PDMSr com remendos de PT
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Hernández, Enríquez Marco. "Transcatheter Aortic Valve Implantation: Moving Forward to Minimize Vascular and Bleeding Complications = Implante Transcatéter de Válvula Aórtica: Avanzando hacia la Reducción de Complicaciones Vasculares y Hemorrágicas." Doctoral thesis, Universitat de Barcelona, 2020. http://hdl.handle.net/10803/669896.

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INTRODUCTION: TAVI has settled as the standard of care of AS for inoperable, high-risk, and selected intermediate-risk patients undergoing aortic valve replacement. Vascular and bleeding complications are related to worst outcomes. HYPOTHESES: a. The reduction and early recognition of vascular and bleeding complications might improve clinical outcomes in patients treated with TAVI. b. A full percutaneous transfemoral approach for TAVI is related to a lower rate of major bleedings in comparison to the surgical cut-down approach. c. The development of post-TAVI thrombocytopenia has a pr
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Brandi, Antonio Carlos. "Tratamento endovascular de pacientes com doenças da aorta torácica: avaliação de resultados em longo prazo." Faculdade de Medicina de São José do Rio Preto, 2015. http://hdl.handle.net/tede/365.

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Submitted by Fabíola Silva (fabiola.silva@famerp.br) on 2017-05-25T19:30:55Z No. of bitstreams: 1 antoniocarlosbrandi_tese.pdf: 1540715 bytes, checksum: 85572fb595b07fb61d81ed453db08401 (MD5)<br>Made available in DSpace on 2017-05-25T19:30:55Z (GMT). No. of bitstreams: 1 antoniocarlosbrandi_tese.pdf: 1540715 bytes, checksum: 85572fb595b07fb61d81ed453db08401 (MD5) Previous issue date: 2015-05-20<br>Introduction: Thoracic aortic diseases, including dissections, aneurysms, pseudoaneurysms among other, are serious conditions that bring serious risks of morbidity and mortality. Its incidence is
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Carnevale, Francisco Cesar. "Terapêutica endovascular percutânea na oclusão arterial ilíaca crônica." Universidade de São Paulo, 1999. http://www.teses.usp.br/teses/disponiveis/5/5151/tde-08012007-133924/.

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A revascularização da oclusão arterial ilíaca crônica com implante de endoprótese vascular é uma nova modalidade terapêutica para os pacientes com aterosclerose obliterante das extremidades. Os objetivos deste trabalho são verificar: os resultados clínico e radiológico do tratamento percutâneo com implante de endoprótese vascular nas oclusões arteriais crônicas do território ilíaco; a influência da aterosclerose e seus principais fatores de risco; os principais sintomas clínicos segundo os estágios de Fontaine e o comportamento das endopróteses vasculares, avaliando as permeabilidades primária
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Books on the topic "Implantation of a vascular prosthesis/methods"

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John, Chamberlain. A colour atlas of extra-anatomic bypass for lower limb vascular disease. Year Book Medical Publishers, 1988.

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M, Watson Roger, ed. Color Atlas and text of dental and Maxillo-facial Implantology. Mosby-Wolfe, 1995.

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Clinical problem solving in periodontology and implantology. Churchill Livingstone, 2013.

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Implant treatment planning for the edentulous patient: A graftless approach to immediate loading. Mosby/Elsevier, 2011.

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Paolo, Ussia Gian, ed. Percutaneous treatment of left side cardiac valves: A practical guide for the interventional cardiologist. Springer, 2010.

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author, Daas Marwan 1968, and Maló Paulo 1961 author, eds. Esthetic implant restoration in the edentulous maxilla: A simplified protocol. Quintessence Publishing Co Inc, 2014.

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Structural heart disease interventions. Wolters Kluwer Health Lippincott Williams & Wilkins, 2012.

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Taylor, Ross L. Laboratory techniques for the Brånemark System. Quintessence Pub. Co., 1990.

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Engelman, Michael. Clinical decision making and treatment planning in osseointegration. Quintessence Pub. Co., 1996.

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J, Stevens Patrick, and Gress Maurice L, eds. Implant prosthodontics: Clinical and laboratory procedures. Mosby-Year Book, 1994.

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Book chapters on the topic "Implantation of a vascular prosthesis/methods"

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Bartolomeo, Roberto, Alessandro Leone, Luca Di Marco, and Davide Pacini. "Aortic aneurysm: aortic arch aneurysm." In ESC CardioMed, edited by Raimund Erbel. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0609.

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Thoracic aortic aneurysm (TAA) is defined as aneurysmal degeneration that occurs in the thoracic aorta. The incidence of TAA is increasing with improvements in screening, as well as advances in imaging. They are often asymptomatic but in some cases, they may compress the innominate vein or airway or they may stretch the left recurrent laryngeal nerve, causing hoarseness. TAA often results from cystic medial degeneration and when it occurs at younger ages, it is classically associated with connective tissue disorders, such as Marfan syndrome or, less commonly, Ehlers–Danlos syndrome and Loeys–Dietz syndrome. Mycotic aneurysms, once the predominant cause of ascending and arch aneurysms, are rare today. Diagnosis is often casual and can be suspected on the basis of chest X-ray or as for ascending aortic aneurysms, diagnosed by transthoracic echocardiogram. However, the computed tomography angiography scan represents the gold standard examination for diagnosis. The aortic arch operation consists of the replacement of the arch with reimplantation of the supra-aortic vessels. Effective methods of cerebral, myocardial, as well as visceral protection are necessary to obtain acceptable results in terms of hospital mortality and morbidity. The ‘elephant trunk’ procedure can be an alternative technique for total arch repair; however, a recent evolution of the ‘elephant trunk’ procedure is the ‘frozen elephant trunk’ technique. This technique consists of the implantation of the stented distal segment of the hybrid prosthesis into the descending aorta through the opened aortic arch, while the proximal, non-stented segment is used for conventional replacement of the aortic arch.
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Saltzman, W. Mark. "Delivery of Molecular Agents in Tissue Engineering." In Tissue Engineering. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780195141306.003.0017.

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The previous chapter provided some examples of tissue engineering, in which cells that were isolated and engineered outside of the body are introduced into a patient by direct injection of a cell suspension, typically into the circulatory system. But the field of tissue engineering also points to treatments that are conceptually different from variations on cell transfusion technology; tissue engineering promises the regrowth of adult tissue structure through application of engineered cells and synthetic materials. In support of this broad claim, the field of tissue engineering can point to some initial successes. For example, synthetic materials are now available that accelerate healing of burns and skin ulcers. In addition, in vitro cell culture methods now allow the amplification of a patient’s own cells for cartilage repair or bone marrow transplantation. But major obstacles to the widespread application of tissue engineering remain. Tissue engineers have not yet learned how to reproduce complex tissue architectures, such as vascular networks, which are essential for the normal function of many tissues. In fact, the tissue engineering concepts that have been demonstrated in the laboratory to date involve arrangements of cells and materials into precursor tissues (or neotissues) that develop according to natural processes that are already present within the cells or the materials at the time of implantation. These methods may be suitable for production of some tissues in which either the structure is relatively homogeneous (such as cartilage, in which a tissue structure can reform after the implantation of chondrocytes into a tissue defect) or the structure develops naturally (such as in some tissue-engineered skin, in which the stratified epithelium develops naturally by culturing at an air–liquid interface). The engineering of many tissue structures—such as the branching architectures found in many tissues or the intricate network architecture of the nervous system—will probably require methods for introducing and changing molecular signals during the process of neo-tissue development. For example, it is well known that chemical gradients of factors known as morphogens induce the formation of structures during development; some of the attributes of morphogens were introduced in Chapter 3.
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Conference papers on the topic "Implantation of a vascular prosthesis/methods"

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Jurenikova, Petra. "INSTRUCTING PATIENTS PRIOR TO AND AFTER VASCULAR PROSTHESIS IMPLANTATION." In 5th SGEM International Multidisciplinary Scientific Conferences on SOCIAL SCIENCES and ARTS SGEM2018. STEF92 Technology, 2018. http://dx.doi.org/10.5593/sgemsocial2018/3.3/s12.043.

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Jurenikova, Petra. "EDUCATIONAL MAP AS A TOOL FOR PROVIDING INFORMATION AFTER THE IMPLANTATION OF A VASCULAR PROSTHESIS." In 4th SGEM International Multidisciplinary Scientific Conferences on SOCIAL SCIENCES and ARTS Proceedings. STEF92 Technology, 2017. http://dx.doi.org/10.5593/sgemsocial2017/33/s12.031.

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Dryjski, Jacek, Maciej Dryjski, Charles Demuylder, and Th Janssens. "THROMBOGENISITY OF ENDOTHELIAL SEEDED VASCULAR GRAFT." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644803.

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It has recently been suggested that endothelial cell (EC) seeding of vascular grafts surfaces may lead to a less thrombo-genic surface. The present investigation was designed to study the capacity of aortic endothelium and neointima developing on seeded grafts to inactivate thrombin. In order to obtain an optimal surface for EC attachment the lyophylized porcine skin (Zenoderm®, Ethicon, Scotland) were used to form tubular grafts. Grafts seeded with enzymatically derived EC from the jugular vein was compared with control grafts that were shamed seeded with culture medium and blood. Animals wit
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Lesèche, G., G. Tobelem, J. Caen, and B. Andreassian. "ADULT HUMAN SAPHENOUS VEIN ENDOTHELIAL CELLS : ASSESMENT OF THEIR REPRODUCTIVE CAPACITY AND FUNCTIONAL INTEGRITY PRIOR TO IMPLANTATION ON A VASCULAR GRAFT." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643359.

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Establishment of an intact functioning endothelial monolayer on a graft, at or near the time of implantation might be one of the ultimate requirement to get a biocompatible intravascular prosthesis. Following this hypothesis, endothelial cells from human stripped varicose veins were harvested with collagenase and grown on a human fibronectin matrix. The cultured cells (either in primary culture or throughout their lifespan in culture, 1 to 10 passages) exhibited characteristic cobblestone morphology and consistently displayed immunofluorescent staining for factor VUI-related antigen. Functiona
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Yang, Hongcheon, and Kwang-Sun Kim. "Numerical Hemodynamics Analysis of Stented Cerebral Artery." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63608.

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Stroke is one of the most dangerous causes of a sudden death. It is generally caused by the blood clotting in the stenotic region of artery. Cerebrovascular and cardiovascular systems are blocked by plaques so that it can lead to occlusion of the artery. Stenosis in the cerebral artery can be cause of ischemic stroke, or even death if it doesn’t get treatment earlier. Ballooning and stent implementation are main methods to treat stenosis in the artery vascular. Stent implantation has widely been used for cardio-artery diseases and as nano-technology has been developed recently, stents can be p
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Morbiducci, Umberto, Raffaele Ponzini, Matteo Nobili, and Alberto Redaelli. "Magnetic Vascular Positioner for Automatic Coronary Artery Bypass Grafting Does Not Significantly Increase the Risk of Failure Related to Local Fluid Dynamics: A Numeric Study." In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-176350.

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Anastomotic devices have been recently introduced in cardiac surgery, in order to make the anastomosis procedure more quick, automatic and efficient. The Ventrica magnetic vascular positioner (MVP) constitutes an attractive anastomotic option that significantly shortens the ischemic time when creating the coronary anastomosis on the beating heart [1]. However, the implantation of the MVP connector modifies the graft configuration, consistently affecting the hemodynamics usually found in the traditional anastomosis. As local fluid dynamics could play a significant role on the onset of vessels’
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Goktepe, Serdar, Joseph P. Ulerich, and Ellen Kuhl. "How to Treat the Loss of Beat: Modeling and Simulation of Ventricular Growth and Remodeling and Novel Post-Infarction Therapies." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-193159.

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Heart disease is the primary cause of death in industrialized nations. In 2007 alone, an estimated 79 million adults in the U.S., one in three, had one or more types of cardiovascular disease, generating health care costs in excess of $430 billion. A leading cause of congestive heart failure is myocardial infarction. Within the first few hours after the infarct, a complex cascade of events is initiated in the myocardium manifesting itself clinically in disproportionate thinning and dilation of the infarct region accompanied by distortion in form and function of the entire heart, figure 1. As r
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Nakayama, Toshio, Shin-ichiro Sugiyama, and Makoto Ohta. "Classification of Blood Flow in Cerebral Aneurysm Considering the Parent Artery Curves." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63922.

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Background and purpose: Recently, the number of endovascular treatments has increased worldwide because of advances in minimally invasive surgery. We considered the effect of reduced flow due to stent implantation and proposed the design of stent strut pattern from the viewpoint of fluid dynamics. We developed an optimized stent strut pattern using a computational fluid dynamics (CFD) system. A classification of cerebral aneurysms was proposed using the aspect ratio (AR) and the stent strut pattern was optimized. The results of optimal stent strut pattern for reduced blood flow speed and wall
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