Zobrazeno 1 - 10
of 118
pro vyhledávání: '"Hojin Ha"'
Autor:
Hyun Jung Koo, Jihun Kang, Do‐Yoon Kang, Jung‐Min Ahn, Duk‐Woo Park, Seung‐Jung Park, Joon‐Won Kang, Hojin Ha, Dong Hyun Yang
Publikováno v:
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, Vol 13, Iss 21 (2024)
Background This study aimed to investigate the hemodynamic and anatomic factors associated with sinus thrombosis following transcatheter aortic valve replacement (TAVR), integrating in vivo patient data analysis and in vitro experiments. Methods and
Externí odkaz:
https://doaj.org/article/b9c63ed91ee648e0aa9ce472ebbca961
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-16 (2023)
Abstract Computational fluid dynamics has been widely used to study hemodynamics, but accurately determining boundary conditions for turbulent blood flow remains challenging. This study aims to investigate the effect of patient-specific turbulence bo
Externí odkaz:
https://doaj.org/article/3742fc1c4cee42f09b5c68947d145190
Autor:
Malenka M. Bissell, Francesca Raimondi, Lamia Ait Ali, Bradley D. Allen, Alex J. Barker, Ann Bolger, Nicholas Burris, Carl-Johan Carhäll, Jeremy D. Collins, Tino Ebbers, Christopher J. Francois, Alex Frydrychowicz, Pankaj Garg, Julia Geiger, Hojin Ha, Anja Hennemuth, Michael D. Hope, Albert Hsiao, Kevin Johnson, Sebastian Kozerke, Liliana E. Ma, Michael Markl, Duarte Martins, Marci Messina, Thekla H. Oechtering, Pim van Ooij, Cynthia Rigsby, Jose Rodriguez-Palomares, Arno A. W. Roest, Alejandro Roldán-Alzate, Susanne Schnell, Julio Sotelo, Matthias Stuber, Ali B. Syed, Johannes Töger, Rob van der Geest, Jos Westenberg, Liang Zhong, Yumin Zhong, Oliver Wieben, Petter Dyverfeldt
Publikováno v:
Journal of Cardiovascular Magnetic Resonance, Vol 25, Iss 1, Pp 1-24 (2023)
Abstract Hemodynamic assessment is an integral part of the diagnosis and management of cardiovascular disease. Four-dimensional cardiovascular magnetic resonance flow imaging (4D Flow CMR) allows comprehensive and accurate assessment of flow in a sin
Externí odkaz:
https://doaj.org/article/0bf30c9762104afdbd3dfaf14312dc36
Autor:
Joao Filipe Fernandes, Harminder Gill, Amanda Nio, Alessandro Faraci, Valeria Galli, David Marlevi, Malenka Bissell, Hojin Ha, Ronak Rajani, Peter Mortier, Saul G. Myerson, Petter Dyverfeldt, Tino Ebbers, David A. Nordsletten, Pablo Lamata
Publikováno v:
Journal of Cardiovascular Magnetic Resonance, Vol 25, Iss 1, Pp 1-16 (2023)
Abstract Background Decisions in the management of aortic stenosis are based on the peak pressure drop, captured by Doppler echocardiography, whereas gold standard catheterization measurements assess the net pressure drop but are limited by associate
Externí odkaz:
https://doaj.org/article/7bd7d5d204504518901cbce94e58ae74
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-15 (2023)
Abstract Hemodynamics in aortic dissection (AD) is closely associated with the risk of aortic aneurysm, rupture, and malperfusion. Altered blood flow in patients with AD can lead to severe complications such as visceral malperfusion. In this study, w
Externí odkaz:
https://doaj.org/article/065922c2011b4a2394db9ddcc140ed3c
Autor:
Ehsan Adeeb, Hojin Ha
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 16, Iss 1, Pp 995-1017 (2022)
In this study, a fluid-structure interaction solver is employed to explore the flow physics of tandem oscillating square bluff bodies by varying the corner radius. Based on previous research, dynamic behavior, and fluid forces only square and circula
Externí odkaz:
https://doaj.org/article/23081b950c024c64b7ec01847ac18bf4
Publikováno v:
Frontiers in Physiology, Vol 14 (2023)
Introduction: The aim of this study was to characterize the hemodynamics of Fontan patients using both four-dimensional flow magnetic resonance imaging (4D Flow MRI) and computational fluid dynamics (CFD).Methods: Twenty-nine patients (3.5 ± 0.5 yea
Externí odkaz:
https://doaj.org/article/93ac11a48c2246cea71bca8a3be50c83
Publikováno v:
대한영상의학회지, Vol 81, Iss 5, Pp 1151-1163 (2020)
Purpose This study aimed to evaluate changes of subprosthetic pannus on cardiac CT and determine its relationship to echocardiographic findings in patients with mechanical aortic valve replacement (AVR). Materials and Methods Between April 2011 an
Externí odkaz:
https://doaj.org/article/6016e4ec480a48eea8902d21e2a4f2a6
Autor:
Hojin Ha, Hyung Kyu Huh, Kyung Jin Park, Petter Dyverfeldt, Tino Ebbers, Dae-Hee Kim, Dong Hyun Yang
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 9 (2021)
Imaging hemodynamics play an important role in the diagnosis of abnormal blood flow due to vascular and valvular diseases as well as in monitoring the recovery of normal blood flow after surgical or interventional treatment. Recently, characterizatio
Externí odkaz:
https://doaj.org/article/72fc7838898745c28a19c2531656a65b
Publikováno v:
대한영상의학회지, Vol 80, Iss 2, Pp 239-258 (2019)
MRI provides non-invasive and non-ionizing methods for the accurate anatomic depiction of the cardiovascular system. Based on the inherent flow sensitivity, MRI can be used to investigate hemodynamic features in patients with anatomical data within
Externí odkaz:
https://doaj.org/article/63addf3750fd47bfbb15306af4009556