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Numerical study of the effect of LVAD inflow cannula positioning on thrombosis risk
In this study, a fluid structure interaction (FSI) simulation was conducted to evaluate the hemodynamics of a patient specific left ventricle (LV) with varying LVAD IC orientations. The LV model was obtained from computed tomography scans and modeled to have contraction and relaxation during cardiac cycles following available experimental data of LV volume changes. The LV of the patient was assumed to have an end systolic volume of 223.7 mL and a stroke volume of 46.4 mL. Four different IC positions were considered: towards the (1) septum; (2) aortic valve (AV); (3) mitral valve (MV) and (4) inferior wall (IW). The potenti...
Source: Computer Methods in Biomechanics and Biomedical Engineering - October 1, 2021 Category: Biomedical Engineering Authors: Ge He Lu Han Jiafeng Zhang Aakash Shah David J Kaczorowski Bartley P Griffith Zhongjun Wu Source Type: research

Magnetic inductive phase shift: a new method to differentiate hemorrhagic stroke from ischemic stroke on rabbit
The major therapy for ischemic stroke is thrombolytic treatment, but severe consequences occur when this method is used to treat hemorrhagic stroke. Currently, computed tomography and magnetic resonance imagin...
Source: BioMedical Engineering OnLine - May 30, 2017 Category: Biomedical Engineering Authors: Qingguang Yan, Gui Jin, Ke Ma, Mingxin Qin, Wei Zhuang and Jian Sun Source Type: research