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Alexander Isaev, Tatiana Dobroserdova, Alexander Danilov and Sergey Simakov
This study introduces an innovative approach leveraging physics-informed neural networks (PINNs) for the efficient computation of blood flows at the boundaries of a four-vessel junction formed by a Fontan procedure. The methodology incorporates a 3D mesh...
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Roman Major, Maciej Gawlikowski, Marcin Surmiak, Karolina Janiczak, Justyna Wiecek, Przemyslaw Kurtyka, Martin Schwentenwein, Ewa Jasek-Gajda, Magdalena Kopernik and Juergen M. Lackner
A major medical problem of state-of-the-art heart ventricular assist devices (LVADs) is device-induced thrombus formation due to inadequate blood-flow dynamics generated by the blood pump rotor. The latter is a highly complex device, with difficulties du...
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Jhon Jasper Apan, Lemmuel Tayo and Jaime Honra
Bypass graft failures are linked to hemodynamic disturbances resulting from poor design. Several studies have tried to improve graft patency by modifying conventional graft designs. One strategy being employed is to induce spiral flow in bypass grafts us...
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Emanuela Bologna, Ettore Dinoto, Francesco Di Simone, Felice Pecoraro, Sara Ragusa, Katia Siciliano and Massimiliano Zingales
Background: The treatment of abdominal aortic aneurysm (AAA) is today commonly treated by inserting a stent-graft by the endovascular route, without resorting to open surgery. However, some clinical cases do not allow this less invasive approach, meaning...
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Timothy J. Hunter, Jermiah J. Joseph, Udunna Anazodo, Sanjay R. Kharche, Christopher W. McIntyre and Daniel Goldman
Background: Atrial fibrillation is a prevalent cardiac arrhythmia and may reduce cerebral blood perfusion augmenting the risk of dementia. We hypothesize that geometric variations in the cerebral arterial structure called the Circle of Willis (CoW) play ...
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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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Marwa Selmi, Hafedh Belmabrouk and Abdullah Bajahzar
This article developed a computer simulation based on the finite element method to investigate the interaction between blood flow and arterial wall deformation. The numerical results show that the blood flow has an unsteady and complex behavior. The velo...
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Yiwen Wang, Peng Shen, Minli Zheng, Pengqiang Fu, Lijia Liu, Jingyue Wang and Lishan Yuan
A continuous-flow output mode of a rotary blood pump reduces the fluctuation range of arterial blood pressure and easily causes complications. For a centrifugal rotary blood pump, sinusoidal and pulsatile speed patterns are designed using the impeller sp...
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Petr V. Trifanov,Valeria N. Kaneva,Sergei V. Strijhak,Mikhail A. Panteleev,Fazoil I. Ataullakhanov,Joanne Dunster,Vadim V. Voevodin,Dmitry Yu. Nechipurenko
Pág. 67 - 72
Formation of the platelet plug represents a primary response to the vessel wall injury, but may also result in vessel occlusion. The decrease of the local blood flow due to platelet thrombus formation may lead to serious complications, such as ischemic s...
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Hao-Ming Hsiao, Tzu-Yuan Lin, Chien-Erh Lin, Han-Yu Lee and Yi-Ping Wang
Liver cancer, a life-threatening disease, can be cured if found early. A common treatment for liver tumors that cannot be removed by surgery is hepatic artery embolization. It involves injecting small beads to block the blood flow towards cancer cells. I...
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