Bibliografie tematiche / Central aortic

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Letteratura scientifica selezionata sul tema "Central aortic"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 4 febbraio 2022

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Articoli di riviste sul tema "Central aortic"

O’Rourke, Michael F. "Central aortic pressure." Journal of Hypertension 33, no. 1 (January 2015): 187–88. http://dx.doi.org/10.1097/hjh.0000000000000450.

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Narayan, Om, Anthony Dart, Ian T. Meredith, and James D. Cameron. "Central aortic pressure." Journal of Hypertension 33, no. 1 (January 2015): 188–89. http://dx.doi.org/10.1097/hjh.0000000000000451.

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Carlsen, Rasmus Kirkeskov, Simon Winther, Christian D. Peters, Esben Laugesen, Dinah S. Khatir, Hans E. Bøtker, Morten Bøttcher, Per Ivarsen, My Svensson, and Niels Henrik Buus. "Aortic Calcification Affects Noninvasive Estimates of Central Blood Pressure in Patients with Severe Chronic Kidney Disease." Kidney and Blood Pressure Research 44, no. 4 (2019): 704–14. http://dx.doi.org/10.1159/000501226.

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Background: Central blood pressure (BP) assessed noninvasively considerably underestimates true invasively measured aortic BP in chronic kidney disease (CKD) patients. The difference between the estimated and the true aortic BP increases with decreasing estimated glomerular filtration rates (eGFR). The present study investigated whether aortic calcification affects noninvasive estimates of central BP. Methods: Twenty-four patients with CKD stage 4–5 undergoing coronary angiography and an aortic computed tomography scan were included (63% males, age [mean ± SD ] 53 ± 11 years, and eGFR 9 ± 5 mL

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Buchnieva, Olha Volodymyrivna. "PROTECTION OF CENTRAL AND PERIPHERAL ORGANS IN AORTIC SURGERY." International Medical Journal, no. 3 (2020): 19–23. http://dx.doi.org/10.37436/2308-5274-2019-3-3.

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The introduction into clinical practice of hypothermic circulatory arrest, both in the non−perfusion version and with an artificial circulation, was the beginning of active use of systemic hypothermia as an effective element of cerebral and visceral protection during combined cardiac surgeries, including in aorta pathology. To evaluate ways of protecting visceral organs and spinal cord, namely the "no perfusion" technique with drainage of cerebrospinal fluid, lateral aortic compression, left−atrial−femoral bypass, deep hypothermia with cardiac arrest, i.e. hypothermic circulatory arest, bypass

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Adji, Audrey, and Michael F. O’Rourke. "Central aortic pressure calibration." Journal of Hypertension 35, no. 4 (April 2017): 893–94. http://dx.doi.org/10.1097/hjh.0000000000001246.

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Middeke, Martin. "Zentraler aortaler Blutdruck: Bedeutender Parameter für Diagnostik und Therapie." DMW - Deutsche Medizinische Wochenschrift 142, no. 19 (September 2017): 1430–36. http://dx.doi.org/10.1055/s-0043-113212.

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AbstractIn recent years great emphasis has been placed on the role of central aortic blood pressure as measured non invasively using pulse wave analysis in pathophysiology of cardiovascular diseases and clinical aspects of hypertension. The difference of blood pressure between the central aorta and the brachial artery (amplification) is not constant but varies according to physiological, pathological and pharmacological mechanisms. Central aortic blood pressure is more strongly related to cardiovascular organ damages than does brachial pressure. Several antihypertensive drugs have different ef

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O’Rourke, Michael F., and Kenji Takazawa. "Measurement of central aortic pressure." Journal of Hypertension 29, no. 10 (October 2011): 2038–39. http://dx.doi.org/10.1097/hjh.0b013e32834b17b4.

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Boutouyrie, Pierre. "Measurement of central aortic pressure." Journal of Hypertension 29, no. 10 (October 2011): 2040–41. http://dx.doi.org/10.1097/hjh.0b013e32834b17c7.

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Segers, Patrick, Jan G. Kips, Sebastian J. Vermeersch, and Luc M. Van Bortel. "Measurement of central aortic pressure." Journal of Hypertension 29, no. 10 (October 2011): 2039–40. http://dx.doi.org/10.1097/hjh.0b013e32834b22ff.

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Bulpitt, Christopher J., C. Rajkumar, and James D. Cameron. "Central aortic blood pressure measurements." Journal of Human Hypertension 14, no. 8 (August 2000): 531. http://dx.doi.org/10.1038/sj.jhh.1001066.

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Più fonti

Tesi sul tema "Central aortic"

Camacho, Fernando Graduate School of Biomedical Engineering Faculty of Engineering UNSW. "Statistical analysis of central aortic blood pressure parameters derived from the peripheral pulse." Awarded by:University of New South Wales. Graduate School of Biomedical Engineering, 2006. http://handle.unsw.edu.au/1959.4/26215.

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With the rise in prevalence of cardiovascular (CV) disease, risk stratification is becoming increasingly important. Accurate characterization of the CV system is required, for which central aortic blood pressure (BP) parameters form an integral part. However, invasive measurement of central aortic BP parameters (aP) is difficult. Therefore, non-invasive methods to estimate aP from the radial pressure pulse (rPulse) have been proposed. To analyze accuracy of estimated aP (aPhat) and applicability in risk stratification and diagnosis, this study presents: (1) a novel representation of the rPuls

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Herajärvi, J. (Johanna). "Remote ischemic preconditioning in aortic surgery:Experimental studies with a porcine model." Doctoral thesis, Oulun yliopisto, 2017. http://urn.fi/urn:isbn:9789526215877.

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Abstract During cardiac and aortic surgery, disturbance of the blood supply in the central nervous system occurs when the repair of aortic pathologies is performed or a bloodless operation field is needed in complex cardiac surgery. To enable the suitable operation environment, the technique named hypothermic circulatory arrest (HCA) has been utilized via heart-lung machine. In this method, the core temperature is lowered to the target temperature, after which blood circulation is halted for a certain period of time. A challenge is that the successful usage of HCA, however still involves the r

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Celestin, Carey Jr. "Computational Fluid Dynamics Applied to the Analysis of Blood Flow Through Central Aortic to Pulmonary Artery Shunts." ScholarWorks@UNO, 2015. http://scholarworks.uno.edu/td/1972.

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This research utilizes CFD to analyze blood flow through pathways representative of central shunts, commonly used as part of the Fontan procedure to treat cyanotic heart disease. In the first part of this research, a parametric study of steady, Newtonian blood flow through parabolic pathways was performed to demonstrate the effect that flow pathway curvature has on wall shear stress distribution and flow energy losses. In the second part, blood flow through two shunts obtained via biplane angiograms is simulated. Pressure boundary conditions were obtained via catheterization. Results showe

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Haapanen, H. (Henri). "Preconditioning against ischemic injury of the central nervous system in aortic surgery:an experimental study in a porcine model with remote ischemic preconditioning and diazoxide." Doctoral thesis, Oulun yliopisto, 2018. http://urn.fi/urn:isbn:9789526219479.

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Abstract The repair of thoracoabdominal aortic aneurysms carries a substantial risk of ischaemic perioperative spinal cord injury. Although several protective methods have been developed, the risk of paraplegia has not been eliminated. Moreover, aortic aneurysms, including arch aneurysms, are complex clinical challenges requiring cerebral protection with hypothermic circulatory arrest (HCA). Hypothermia lowers the rate of cerebral metabolism and allows a temporary halt of the systemic circulation. However, there is still a risk for cerebral damage and a need for additional neuroprotective meth

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Freercks, Robert Jeremy. "The impact of vascular calcification on ambulatory and central aortic blood pressure in a South African dwelling dialysis population : a clinical, radiological and pathophysiological study of vascular health in a young prevalent dialysis population in a developing country." Master's thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/11995.

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Includes abstract. Includes bibliographical references. In Sub-Saharan Africa, the prevalence of vascular calcification (VC) in CKD-5D is unknown. We undertook to determine the effect of ethnicity on VC, the risk factors for VC, the utility of abdominal X-ray (AXR) in predicting coronary calcium score (CCS) and the effect of VC on central aortic systolic pressure (CASP) and left ventricular mass index (LVMI) in South African dialysis patients. ... Black race significantly protects from VC in South African CKD-5D patients and warrants further study. The AXR is a useful screening tool for

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Leme, Gracieli Ana [UNESP]. "Insuficiência aórtica subcrônica e vias centrais relacionadas à regulação da ingestão de sódio." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/87756.

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Made available in DSpace on 2014-06-11T19:23:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-01-13Bitstream added on 2014-06-13T19:28:41Z : No. of bitstreams: 1 leme_ga_me_botib.pdf: 324429 bytes, checksum: c82395b2d9a3ec5093d8bf695db60161 (MD5) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) A insuficiência aórtica (IAo) é uma patologia que cursa com sobrecarga cardíaca de volume e consequente hipertrofia tipo excêntrica. As principais causas são febre reumática e forma degenerativa senil. O paciente com IAo se mantém assintomático por décadas e quando há

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Rojas, Salomón Soriano Ordinola. "Correção dos Aneurismas da Aorta Torácica e Toracoabdominal: Técnica de Canulação Central." Faculdade de Medicina de São José do Rio Preto, 2003. http://bdtd.famerp.br/handle/tede/226.

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Made available in DSpace on 2016-01-26T12:51:52Z (GMT). No. of bitstreams: 1 salomonrajas_tese.pdf: 1978465 bytes, checksum: ca15f774abde6ac24567685d49084f3a (MD5) Previous issue date: 2003-05-29 Introduction: The surgical treatment of the aneurysm of descending thoracic and thoracoabdominal aorta are related with risk of spinal cord ischemic, as well as, coagulation and renal function disorders. Among the spinal cord protection methods, there are liquor drainage, temporary bypass, intercostal arteries implant, deep hypothermia, selective cooling of spinal cord and drugs. Objective: The g

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Almonacid, Jorge Bruno, and Irma Jaquelina Rodríguez. "Educación a pacientes con aneurisma y disección de aorta." Bachelor's thesis, Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Escuela de Enfermería, 2004. http://bdigital.uncu.edu.ar/7882.

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En este trabajo de investigación se intenta saber el grado de interés y preocupación de los pacientes diagnosticados con aneurisma y disección aórtica en cuanto a su patología y su tratamiento. Es por ello que tiene como objetivo general determinar el tipo de educación y cuáles fueron las fuentes de información que recibieron dichos pacientes durante su fase de internación en el servicio de unidad coronaria del Hospital Central durante el año 2003, sobre cuidados y cambios de hábitos para evitar complicaciones y secuelas. Es un estudio cuantitativo y descriptivo, de corte transversal. Se tr

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Miguet, Daniel. "Etude randomisée de la surveillance hémodynamique par Swan Ganz versus PVC au cours de la chirurgie de l'aorte abdominale." Saint-Etienne, 1989. http://www.theses.fr/1989STET6019.

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Handberg, Amanda, and Hanna Enehov. "Patienters upplevelser relaterat till abdominalt aortaaneurysm och hur det påverkar det dagliga livet : En systematisk litteraturöversikt." Thesis, Malmö universitet, Malmö högskola, Institutionen för vårdvetenskap (VV), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-40558.

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Bakgrund: I Sverige avlider varje år cirka 600 män och 200 kvinnor till följd av ett brustet abdominalt aortaaneurysm. Mellan 1.5 och 4.0 procent av alla män över 65 år drabbas av ett abdominalt aortaaneurysm och sedan år 2015 erbjuds samtliga 65-åriga män screening för aortaaneurysm. De som diagnostiseras är således vanligen äldre personer, och i takt med stigande ålder ökar även risken att drabbas av andra sjukdomar. Patientgruppen kan därför vårdas på olika typer av vårdavdelningar, vilket gör att den grundutbildade sjuksköterskan kan möta dessa patienter på många

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Più fonti

Libri sul tema "Central aortic"

Central Aortic Blodd Pressure (French Edition). ELSEVIER-MASSON, 2008.

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Tribouilloy, Christophe, Patrizio Lancellotti, Ferande Peters, José Juan Gómez de Diego, and Luc A. Pierard. Heart valve disease (aortic valve disease): aortic regurgitation. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198726012.003.0033.

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Echocardiography is the cornerstone examination for the assessment of aortic regurgitation (AR): it provides reliable evaluation of the aortic valve and allows diagnosis and identification of the mechanism of regurgitation. The specific aetiology of the disease can be identified in the majority of cases. A combination of quantitative and quantitative Doppler and two-dimensional (2D) echocardiographic parameters allows the evaluation of the severity of AR and determination of the haemodynamic and left ventricular function repercussions. Echocardiography allows the detection of associated lesion

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Kahn, S. Lowell. Subintimal Arterial Recanalization Using the Bull’s-Eye Technique. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0015.

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Antegrade retrograde revascularization is invaluable to the interventionalist, but is commonly complicated by the two catheters/wires lying in different planes and/or lumens relative to one another. This chapter describes the “bull’s-eye” technique with use of the Outback® LTD® Re-Entry Catheter (Cordis Corp., Milpitas, CA) steered toward a specific target, most commonly a snare to connect the two accesses. Although a snare the most commonly used target, this technique has been employed using a balloon or catheter as the target for the Outback®. This technique is widely applicable for large (a

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Capitoli di libri sul tema "Central aortic"

Williams, Bryan, and Peter S. Lacy. "Central Aortic Pressure: The Next Frontier in Blood Pressure Measurement?" In Special Issues in Hypertension, 181–97. Milano: Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2601-8_15.

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Metshein, Margus, Hip Kõiv, Paul Annus, and Mart Min. "Electrode Optimization for Bioimpedance Based Central Aortic Blood Pressure Estimation." In IFMBE Proceedings, 497–501. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-9038-7_92.

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Krämer, G., R. Erbel, M. Tophof, S. Mohr-Kahaly, and G. Zenker. "Mitral and Aortic Valve Prolapse in Younger Patients with Cerebral Ischemic Events - Results of a Prospective Study with Transthoracal and Transesophageal Echocardiography." In Central Nervous System Control of the Heart, 261–65. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2327-3_26.

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Huan, Yonghong, Debbie L. Cohen, and Raymond R. Townsend. "Central Aortic Pressure, Arterial Compliance: Emerging Tools to Identify and Guide Therapy for High-Risk African American Patients." In Hypertension in High Risk African Americans, 151–61. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-2010-5_10.

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Kim, Mi Ok, Per K. Eide, Michael F. O’Rourke, Audrey Adji, and Alberto P. Avolio. "Intracranial Pressure Waveforms are More Closely Related to Central Aortic than Radial Pressure Waveforms: Implications for Pathophysiology and Therapy." In Acta Neurochirurgica Supplement, 61–64. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22533-3_12.

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KK, Mitra, and Sur K. "Central Aortic Blood Pressure: Implication in Clinical Practice." In CSI: Cardiology Update 2015 (2 Volumes), 95. Jaypee Brothers Medical Publishers (P) Ltd., 2016. http://dx.doi.org/10.5005/jp/books/12785_17.

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Venugopal, K., George Koshy, and Bahekar D. "Central Aortic Blood Pressure Evaluation for Hypertension in Cardiodiabetics." In Cardiodiabetes Update: A Textbook of Cardiology, 331. Jaypee Brothers Medical Publishers (P) Ltd., 2018. http://dx.doi.org/10.5005/jp/books/14130_50.

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Yao, Yang, Lu Wang, Liling Hao, Lisheng Xu, Shuran Zhou, and Wenyan Liu. "The Noninvasive Measurement of Central Aortic Blood Pressure Waveform." In Blood Pressure - From Bench to Bed. InTech, 2018. http://dx.doi.org/10.5772/intechopen.76770.

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Ram, C. "Chapter-103 Central Aortic Blood Pressure as a Prognostic Marker in Hypertension." In Cardiological Society of India Cardiology Update 2014, 661–66. Jaypee Brothers Medical Publishers (P) Ltd., 2015. http://dx.doi.org/10.5005/jp/books/12415_104.

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Tornos Mas, Pilar, and Emmanuel Lansac. "Aortic regurgitation." In ESC CardioMed, edited by Helmut Baumgartner, 1634–41. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0765.

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Evaluation of aortic regurgitation requires consideration of valve morphology, mechanism and severity of regurgitation and assessment of aortic dilatation. In asymptomatic patients with severe aortic regurgitation, follow-up of symptomatic status and LV size and function is mandatory. The strongest indication for valve surgery is the presence of symptoms and/or the documentation of LVEF <50% and/or end-systolic diameter =50 mm. In patients with dilated aorta, definition of aortic pathology and accurate measurements of aortic diameters are crucial. Surgery is recommended whenever aortic dilation is = 55 mm or = 50 mm in patients with bicuspid aortic valves and Marfan syndrome or =45 mm when additional risk factors are present. For patients who have an indication for valve surgery, an aortic diameter of ≥45 mm is considered to indicate concomitant surgery of the aorta. Aortic valve repair and valve-sparing aortic surgery instead of aortic valve replacement should be considered in selected cases in experienced centres.

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Atti di convegni sul tema "Central aortic"

Jiang, Sheng, Zhi-Qiang Zhang, and Jian-Kang Wu. "Human Arteries Modeling and Central Aortic Pressure Estimation." In 2013 International Conference on Computational Problem-solving (ICCP). IEEE, 2013. http://dx.doi.org/10.1109/iccps.2013.6893593.

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Ghasemi, Zahra, Chang-Sei Kim, Eric Ginsberg, John Duell, Anuj Gupta, and Jin-Oh Hahn. "Estimation of Central Aortic Blood Pressure From Non-Invasive Cuff Pressure Oscillation Signals via System Identification." In ASME 2016 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/dscc2016-9785.

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This paper presents a model-based system identification approach to estimation of central aortic blood pressure waveform from non-invasive cuff pressure oscillation signals. First, we developed a mathematical model that can reproduce the relationship between central aortic blood pressure waveform and non-invasive cuff pressure oscillation signals at diametric locations by combining models to represent wave propagation in the artery, arterial pressure-volume relationship, and mechanics of the occlusive cuff. Second, we formulated the problem of estimating central aortic blood pressure waveform

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Hahn, Jin-Oh, Andrew Reisner, Horacio Hojman, and H. Harry Asada. "Reconstruction of Central Aortic Pressure Waveform Using Adaptive Multi-Channel Identification." In Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.4398172.

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Schwarz, Chaid, and Madhavan L. Raghavan. "Radial Compressive Properties of an Aortic Stent Graft." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80889.

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The long-term fixation characteristics of stent grafts used to treat aortic aneurysms are likely related to the nature of its apposition to the aortic wall after deployment. But we only have a rudimentary understanding of the mechanisms involved and the factors that determine the nature of deployment of these implants. One factor that has been shown to be of particular relevance is oversizing — the % difference between the size of the graft to that of the aorta in which it is deployed (oversizing implies the former is larger) [1]. Other proposed factors include the angulation in the aortic nec

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Rashedi, Mohammad, Nima Fazeli, Alyssa Chappell, Shaohua Wang, Roderick MacArthur, M. Sean McMurtry, Barry Finegan, and Jin-Oh Hahn. "Modeling and System Identification of Arterial Hemodynamics in Humans." In ASME 2013 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/dscc2013-3848.

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This paper seeks to determine the validity of two distinct tube-load models relating central aortic blood pressure to peripheral blood pressure in humans. Specifically a single-tube model (1-TL) and a serially connected two-tube (2-TL) model, both terminating in a Windkessel load, are considered as representations of the central aortic-peripheral arterial path. The validity and fidelity of the two models was assessed and compared quantitatively by fitting central aortic, radial and femoral blood pressures collected from 8 patients. Both models fitted the BP waveform pairs effectively, and were

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Mukkamala, Ramakrishna, Jacob Kuiper, Javier A. Sala-Mercado, Robert L. Hammond, Jong-Kyung Kim, Larry W. Stephenson, and Donal S. O'Leary. "Continuous Left Ventricular Ejection Fraction Monitoring by Central Aortic Pressure Waveform Analysis." In Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.4397477.

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Wiard, R. M., Hyun Jin Kim, C. A. Figueroa, G. T. A. Kovacs, C. A. Taylor, and L. Giovangrandi. "Estimation of central aortic forces in the ballistocardiogram under rest and exercise conditions." In 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2009. http://dx.doi.org/10.1109/iembs.2009.5333577.

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Ning Ji, Wan-Hua Lin, Wenyan Liu, Jianping Huang, Yuanheng Li, O. W. Samuel, Lisheng Xu, and Guanglin Li. "Central aortic pressure waveform estimation using genetic-algorithm-based multichannel blind system identification." In 2019 Intelligent Rehabilitation and Human-machine Engineering Conference (IRHE-2019). Institution of Engineering and Technology, 2019. http://dx.doi.org/10.1049/cp.2019.1202.

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