Although accurate modeling of the thermal performance of irrigated-tip electrodes in radiofrequency cardiac ablation requires the solution of a triple coupled problem involving simultaneous electrical conducti...
Authors: Ana González-Suárez, Juan J. Pérez and Enrique Berjano
OpenSim musculoskeletal models provide an accurate simulation environment that eases limitations of in vivo and in vitro studies. In this work, a biomechanical knee model was formulated with femoral articular ...
Authors: M. Marieswaran, Arnab Sikidar, Anu Goel, Deepak Joshi and Dinesh Kalyanasundaram
With the development of versatile magnetic resonance acquisition techniques there arises a need for more advanced imaging simulation tools to enable adequate image appearance prediction, measurement sequence d...
Authors: Artur Klepaczko, Piotr Szczypiński, Michał Strzelecki and Ludomir Stefańczyk
There are many situations where the skin and underlying soft tissues are compromised by mechanical loading in the form or pressure, or pressure in combination with shear. If sustained, this can lead to damage ...
Noninvasive magnetic resonance thermometry (MRT) at low-field using proton resonance frequency shift (PRFS) is a promising technique for monitoring ablation temperature, since low-field MR scanners with open-c...
Wearable textile electrodes for the detection of biopotentials are a promising tool for the monitoring and early diagnosis of chronic diseases. We present a comparative study of the electrical characteristics ...
Authors: Reinel Castrillón, Jairo J. Pérez and Henry Andrade-Caicedo
Accurately solving the electroencephalography (EEG) forward problem is crucial for precise EEG source analysis. Previous studies have shown that the use of multicompartment head models in combination with the ...
Authors: Johannes Vorwerk, Robert Oostenveld, Maria Carla Piastra, Lilla Magyari and Carsten H. Wolters
Accurate functional diagnosis of coronary stenosis is vital for decision making in coronary revascularization. With recent advances in computational fluid dynamics (CFD), fractional flow reserve (FFR) can be d...
Authors: Xinzhou Xie, Minwen Zheng, Didi Wen, Yabing Li and Songyun Xie
The physiological and hemodynamic features of bridging veins involve wall shear stress (WSS) of the cerebral venous system. Based on the data of cadavers and computational fluid dynamics software pack, the hem...
This study aimed to investigate the influence of injection rates of calibrating standard solution
on monitoring pulse indicator continuous cardiac output (PICCO, made in Germany), and thereby to provide signi...
Authors: Chen Shu-Lan, Lan Fang-Chen, Du Zhen-Shuang, Xu Ya-Ping, Zhao Hui-Ming, Zeng Cui-Ping and Miao Yu
Camera-based photoplethysmography (cbPPG) is a measurement technique which enables remote vital sign monitoring by using cameras. To obtain valid plethysmograms, proper regions of interest (ROIs) have to be se...
Authors: Alexander Trumpp, Johannes Lohr, Daniel Wedekind, Martin Schmidt, Matthias Burghardt, Axel R. Heller, Hagen Malberg and Sebastian Zaunseder
Schizophrenia is a clinical syndrome, and its causes have not been well determined. The objective of this study was to investigate the alteration of brain functional connectivity between schizophrenia and heal...
Cerebrovascular events are frequently associated with hemodynamic disturbance caused by internal carotid artery (ICA) stenosis. It is challenging to determine the ischemia-related carotid stenosis during the i...
Authors: Dong Zhang, Pengcheng Xu, Hongyu Qiao, Xin Liu, Liangping Luo, Wenhua Huang, Heye Zhang and Changzheng Shi
Many studies have demonstrated that the geometry of the carotid bifurcation enables prediction of blood flow variation associated with atherosclerotic plaque formation. The phase angle between the arterial wal...
Authors: Lili Niu, Xiliang Zhu, Min Pan, Abbott Derek, Lisheng Xu, Long Meng and Hairong Zheng
The present study contrasts the accuracy of different reconstructed models with distinctive segmentation methods performed by various experts. Seven research groups reconstructed nine 3D models of one human fe...
Authors: Ehsan Soodmand, Daniel Kluess, Patrick A. Varady, Robert Cichon, Michael Schwarze, Dominic Gehweiler, Frank Niemeyer, Dieter Pahr and Matthias Woiczinski
Image segmentation is an essential and non trivial task in computer vision and medical image analysis. Computed tomography (CT) is one of the most accessible medical examination techniques to visualize the int...
Most of the objective and quantitative methods proposed for spasticity measurement are not suitable for clinical application, and methods for surface electromyography (sEMG) signal processing are mainly limite...
Authors: Baohua Hu, Xiufeng Zhang, Jingsong Mu, Ming Wu and Yong Wang
Intracortical brain–machine interfaces (BMIs) harness movement information by sensing neuronal activities using chronic microelectrode implants to restore lost functions to patients with paralysis. However, ne...
Authors: Min-Ki Kim, Jeong-woo Sohn, Bongsoo Lee and Sung-Phil Kim
Diabetes mellitus (DM) is one of the most common diseases worldwide. Uncontrolled and prolonged hyperglycemia can cause diabetic complications, which reduce the quality of life of patients. Diabetic complicati...
Authors: Yuri An, Yujung Kang, Jungsul Lee, Chulwoo Ahn, Kihwan Kwon and Chulhee Choi
Critical care, like many healthcare areas, is under a dual assault from significantly increasing demographic and economic pressures. Intensive care unit (ICU) patients are highly variable in response to treatm...
Authors: J. Geoffrey Chase, Jean-Charles Preiser, Jennifer L. Dickson, Antoine Pironet, Yeong Shiong Chiew, Christopher G. Pretty, Geoffrey M. Shaw, Balazs Benyo, Knut Moeller, Soroush Safaei, Merryn Tawhai, Peter Hunter and Thomas Desaive
Most commercially available cochlear implants and hearing aids use microphones as sensors for capturing the external sound field. These microphones are in general located in an external element, which is also ...
Authors: Diego Calero, Stephan Paul, André Gesing, Fabio Alves and Júlio A. Cordioli
Remote photoplethysmography (rPPG) has been in the forefront recently for measuring cardiac pulse rates from live or recorded videos. It finds advantages in scenarios requiring remote monitoring, such as medic...
Authors: Richard Macwan, Yannick Benezeth and Alamin Mansouri
Pulmonary nodule is one of the important lesions of lung cancer, mainly divided into two categories of solid nodules and ground glass nodules. The improvement of diagnosis of lung cancer has significant clinic...
Authors: Jing Yang, Hailin Wang, Chen Geng, Yakang Dai and Jiansong Ji
At present, the enteral nutrition approaches via nose and duodenum (or nose and jejunum) are the preferred method of nutritional support in the medical engineering field, given the superiority of in line with ...
Authors: Ying Li, Yu Ye, Yang Mei, Haiying Ruan and Yuan Yu
Counter-pulsation control (CPC) by ventricular assist devices (VADs) is believed to reduce cardiac load and increase coronary perfusion. However, patients with VADs have a higher risk of arrhythmia, which may ...
Authors: Keun Her, Joon Yeong Kim, Ki Moo Lim and Seong Wook Choi
