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Yanjun Li, Takaaki Yoshimura, Yuto Horima and Hiroyuki Sugimori
The detection of coronary artery stenosis is one of the most important indicators for the diagnosis of coronary artery disease. However, stenosis in branch vessels is often difficult to detect using computer-aided systems and even radiologists because of...
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Ke Yang, Peter R. Hoskins, George A. Corner, Chunming Xia and Zhihong Huang
Wall shear stress (WSS) plays an important role in the formation, growth, and rupture of atherosclerotic plaques in arteries. This study measured WSS in diseased carotid artery phantoms with degrees of stenosis varying from 0 to 60% with both steady and ...
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Adamu Musa Mohammed, Mostapha Ariane and Alessio Alexiadis
This study proposes a 3D particle-based (discrete) multiphysics approach for modelling calcification in the aortic valve. Different stages of calcification (from mild to severe) were simulated, and their effects on the cardiac output were assessed. The c...
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Viktor Szabó, Csaba Jenei, Gábor Halász
Pág. 242 - 246
In this paper a 1D model is presented for the simulation of blood flow in stenosed coronary arteries. The model was developed by implementing a special boundary counditions in a previously published arterial blood flow model. The stenosis as well as the ...
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Khaled Ben Abdessalem, Ridha Ben Saleh
Pág. 25 - 32
In the present work, an appropriate method allowing accurate determinations of the position of arterial severe stenosis and full obstruction in the arterial vessels has been developed. This method requires measurements of instantaneous flow velocity and ...
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Yepeng Du, Lili Zhang, Zhanju Hou and Jian Liu
Atherosclerotic plaques within the coronary arteries can prevent blood from flowing to downstream tissues, causing coronary heart disease and a myocardial infarction over time. The degree of stenosis is an important reference point during percutaneous co...
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Rocco Edoardo Stio, Andrea Montalto, Alfredo Intorcia, Vincenzo Polizzi, Mariano Feccia, Carmine Musto, Mauro Pennacchi, Luca Paolucci, Regina Stumpo, Emilio D?Avino, Francesco De Felice, Domenico Gabrielli and Francesco Musumeci
Left ventricular assist device (LVAD) obstruction can be a dramatic and life-threatening complication in patients with advanced heart failure (HF). Despite surgical redo is often required in these patients, it is associated with a high risk of periproced...
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Wei-Ling Chen, Chia-Hung Lin, Chung-Dann Kan
Pág. 46 - 50
Currently, the hemodialysis patients received body weight measurement by themselves, vital sign checking by nursing staffs before dialysis. Whenever, the arteriovenous routes with problems doubted, the patients needed to be referred to surgeon for vascul...
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Péter Nagy
Pág. 30 - 34
Balloon expandable stents can be used to treat coronary stenosis. During stent implantation, X-ray imaging is used. In order to assist the doctors, it was decided to improve the cardiovascular stents? X-ray absorption ability by placing a unique marker i...
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Giacomo Giacalone, Marta Zanoletti, Rebecca Re, Davide Contini, Lorenzo Spinelli, Alessandro Torricelli and Luisa Roveri
Biomarkers of microcirculation dysfunction may help in the study of cerebral small vessel disease (CSVD). Time-Domain Near-Infrared spectroscopy (TD-NIRS), estimating the oxygenation of microcirculation of cerebral outer layers, might indirectly correlat...
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Narendra Kurnia Putra, Bonfilio Nainggolan, Johanna Muliany, S Suprijanto
Pág. 54 - 60
Cardiovascular diseases are the world?s leading cause of death with significant death rates caused by abnormalities in vessels such as aneurysms and stenosis. These conditions can potentially cause blockage and thinning of vessels which may lead to heart...
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Narendra Kurnia Putra, Bonfilio Nainggolan, Johanna Muliany, S Suprijanto
Pág. 54 - 60
Cardiovascular diseases are the world?s leading cause of death with significant death rates caused by abnormalities in vessels such as aneurysms and stenosis. These conditions can potentially cause blockage and thinning of vessels which may lead to heart...
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S. Shankar Narayan, Abdulkafi M. Saeed, Nahid Fatima, Fuad S. Al-Duais, Khalid Abdulkhaliq M. Alharbi, Venkatesh Puneeth, M. R. Gorji, Nidhal Ben Kheder and Shaimaa A. M. Abdelmohsen
Atherosclerosis and aneurysm are two non-communicable diseases that affect the human arterial network. The arterioles undergo dimensional changes that prominently influence the flow of oxygen and nutrients to distal organs and organ systems. Several stud...
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