The crossed limbs stent graft technique is regularly employed to treat abdominal aortic aneurysm patients with unfavorable aneurysm necks or widely splayed common iliac arteries. This article numerically evalu...
To reduce the risk of patient damage and complications during the cardiopulmonary resuscitation (CPR) process in emergency situations, it is necessary to monitor the status of the patient and the quality of CP...
Authors: Seong Wook Choi, Do Yeon Lee and Kyoung Won Nam
Point of care ultrasonography has been the focus of extensive research over the past few decades. Miniaturised, wireless systems have been envisaged for new application areas, such as capsule endoscopy, implan...
Authors: Graham Peyton, Martyn G. Boutelle and Emmanuel M. Drakakis
Thyroid imaging reporting and data system (TIRADS) is the assessment of a risk stratification of thyroid nodules, usually using a score. However, there is no consensus as to the version of TIRADS for reporting...
Authors: Yan Zhuang, Cheng Li, Zhan Hua, Ke Chen and Jiang Li Lin
Non-invasive continuous blood pressure monitors are of great interest to the medical community due to their value in hypertension
management. Recently, studies have shown the potential of pulse pressure as a ...
Authors: Joonnyong Lee, JangJay Sohn, Jonghyun Park, SeungMan Yang, Saram Lee and Hee Chan Kim
The efficiency of gene electrotransfer, an electroporation-based method for delivery of pDNA into target tissues, depends on several processes. The method relies on application of electric pulses with appropri...
Although studies on the relation between arrhythmias and the action potential duration (APD) have been carried out, most of them are based only on electrophysiological factors of the heart and lack experiments...
In diffusion-weighted magnetic resonance imaging (DWI) using single-shot echo planar imaging (ss-EPI), both reduced field-of-view (FOV) excitation and sensitivity encoding (SENSE) alone can increase in-plane r...
Authors: Jisu Hu, Ming Li, Yakang Dai, Chen Geng, Baotong Tong, Zhiyong Zhou, Xue Liang, Wen Yang and Bing Zhang
To investigate the effect of additional semiautomatic intermittent pneumatic compression device (IPCD) in the prevention of deep vein thrombosis (DVT) of lower extremity in these patients undergoing major orth...
Authors: Dapeng Wang, Fuqin Bao, Qiang Li, Yugang Teng and Jianjun Li
Rician noise, bias fields and blur are the common distortions that degrade MRI images during acquisition. Blur is unique in comparison to Rician noise and bias fields because it can be introduced into an image...
Authors: Michael E. Osadebey, Marius Pedersen, Douglas L. Arnold and Katrina E. Wendel-Mitoraj
The pathological or physiological changes of a crystalline lens directly affect the eye accommodation and transmittance, and then they increase the risk of presbyopia and cataracts for people in the middle and...
There is a need for providing sensory feedback for myoelectric prosthesis users. Providing tactile feedback can improve object manipulation abilities, enhance the perceptual embodiment of myoelectric prosthese...
Authors: Huaiqi Huang, Claudio Bruschini, Christian Antfolk, Christian Enz, Tao Li, Jörn Justiz and Volker M. Koch
Intra-body communication (IBC) is one of the highlights in studies of body area networks. The existing IBC studies mainly focus on human channel characteristics of the physical layer, transceiver design for th...
Authors: Yue-Ming Gao, Heng-fei Zhang, Shi Lin, Rui-Xin Jiang, Zhi-Ying Chen, Željka Lučev Vasić, Mang-I Vai, Min Du, Mario Cifrek and Sio-Hang Pun
Air ions are molecules of air that have become ionized—that is, they have either lost or gained an electrical charge. Past speculation has suggested that exposure to positive air ions may be harmful to one’s h...
Authors: William H. Bailey, Amy Lavin Williams and Megan Jeanne Leonhard
With the introduction of Flat Panel Detector technology, cone-beam CT (CBCT) has become a novel image modality, and widely applied in clinical practices. C-arm mounted CBCT has shown extra suitability in image...
Authors: Ken Chen, Cheng Wang, Jing Xiong and Yaoqin Xie
Ultrashort echo time (UTE) sequences play a key role in imaging and quantifying short T2 species. However, almost all of the relevant studies was conducted at relatively high fields. The purpose of this work w...
To utilize cervical auscultation as a means of screening for risk of dysphagia, we must first determine how the signal differs between healthy subjects and subjects with swallowing disorders.
Authors: Joshua M. Dudik, Atsuko Kurosu, James L. Coyle and Ervin Sejdić
Computational modeling of cardiovascular flow is a growing and useful field, but such simulations usually require the researcher to guess the flow’s inlet and outlet conditions since they are difficult and exp...
Authors: Sudharsan Madhavan and Erica M. Cherry Kemmerling
The paper presents an approach and computer-aided method of numerical evaluation of the quality of porous membranes used as scaffolds for cultivation of chondrocytes in regeneration of biological tissues.
Authors: Juliusz L. Kulikowski, Malgorzata Przytulska and Andrzej Chwojnowski
Fractional flow reverse (FFR) is the gold standard assessment of the hemodynamic significance of coronary stenoses. However, it requires the catheterization of the coronary artery to determine the pressure wav...
Authors: R. Agujetas, M. R. González-Fernández, J. M. Nogales-Asensio and J. M. Montanero
Liver segmentation in computed tomography is required in many clinical applications. The segmentation methods used can be classified according to a number of criteria. One important criterion for method select...
In longitudinal electroencephalography (EEG) studies, repeatable electrode positioning is essential for reliable EEG assessment. Conventional methods use anatomical landmarks as fiducial locations for the elec...
Authors: Chanho Song, Sangseo Jeon, Seongpung Lee, Ho-Gun Ha, Jonghyun Kim and Jaesung Hong
In this paper, we aim to investigate the effect of computer-aided triage system, which is implemented for the health checkup of lung lesions involving tens of thousands of chest X-rays (CXRs) that are required...
Authors: Changmiao Wang, Ahmed Elazab, Fucang Jia, Jianhuang Wu and Qingmao Hu
Although it is important to analyze the hemodynamic factors related to the right ventricle (RV) after left ventricular assist device (LVAD) implantation, previous studies have focused only on the alteration of...
Authors: Jun I. K. Park, Aulia Khamas Heikhmakhtiar, Chang Hyun Kim, Yoo Seok Kim, Seong Wook Choi, Kwang Soup Song and Ki Moo Lim
Worldwide, at least 200 million people are affected by peripheral vascular diseases (PVDs), including peripheral arterial disease (PAD), chronic venous insufficiency (CVI) and deep vein thrombosis (DVT). The h...
Authors: Elham Shabani Varaki, Gaetano D. Gargiulo, Stefania Penkala and Paul P. Breen
With spectral methods, noninvasive determination of blood hyperviscosity in vivo is very potential and meaningful in clinical diagnosis. In this study, 67 male subjects (41 health, and 26 hyperviscosity accord...
Authors: Ming Liu, Jing Zhao, XiaoZuo Lu, Gang Li, Taixia Wu and LiFu Zhang
The use of miniaturized magneto-inertial measurement units (MIMUs) allows for an objective evaluation of gait and a quantitative assessment of clinical outcomes. Spatial and temporal parameters are generally r...
Authors: Matilde Bertoli, Andrea Cereatti, Diana Trojaniello, Laura Avanzino, Elisa Pelosin, Silvia Del Din, Lynn Rochester, Pieter Ginis, Esther M. J. Bekkers, Anat Mirelman, Jeffrey M. Hausdorff and Ugo Della Croce
Peripheral ECMO is an effective cardiopulmonary support in clinical. The perfusion level could directly influence the performances and complications. However, there are few studies on the effects of the perfus...
Authors: Kaiyun Gu, Zhe Zhang, Bin Gao, Yu Chang and Feng Wan
The occurrence of T-wave alternans in electrocardiographic signals was recently linked to susceptibility to ventricular arrhythmias and sudden cardiac death. Thus, by detecting and comprehending the origins of...
Authors: D. Janusek, J. Svehlikova, J. Zelinka, W. Weigl, R. Zaczek, G. Opolski, M. Tysler and R. Maniewski
Long-term electrocardiogram (ECG) is one of the important diagnostic assistant approaches in capturing intermittent cardiac arrhythmias. Combination of miniaturized wearable holters and healthcare platforms en...
Authors: Xiaomao Fan, Qihang Yao, Ye Li, Runge Chen and Yunpeng Cai
With the emergence of long-term electrocardiogram (ECG) recordings that extend several days beyond the typical 24–48 h, the development of new tools to measure heart rate variability (HRV) and QT variability i...
The electroencephalogram (EEG) signal represents a subject’s specific brain activity patterns and is considered as an ideal biometric given its superior invisibility, non-clonality, and non-coercion. In order ...
Authors: Qunjian Wu, Bin Yan, Ying Zeng, Chi Zhang and Li Tong
Hemodynamic information including peak systolic pressure (PSP) and peak systolic velocity (PSV) carry an important role in evaluation and diagnosis of congenital heart disease (CHD). Since MDCTA cannot evaluat...
Authors: Yulei Zhu, Rui Chen, Yu-Hsiang Juan, He Li, Jingjing Wang, Zhuliang Yu and Hui Liu
Impairments in proprioceptive mechanism with aging has been observed and associated with fall risk. The purpose of the current study was to assess proprioceptive deficits among high fall risk individuals in co...
Authors: Nima Toosizadeh, Hossein Ehsani, Marco Miramonte and Jane Mohler
Modelling and simulation may become clinically applicable tools for detailed evaluation of the cardiovascular system and clinical decision-making to guide therapeutic intervention. Models based on pressure–vol...
Authors: Massimo Capoccia, Silvia Marconi, Sanjeet Avtaar Singh, Domenico M. Pisanelli and Claudio De Lazzari
Diagnosis of Alzheimer’s disease (AD) is very important, and MRI is an effective imaging mode of Alzheimer’s disease. There are many existing studies on the diagnosis of Alzheimer’s disease based on MRI data. ...
Authors: Xiaoheng Tan, Yuchuan Liu, Yongming Li, Pin Wang, Xiaoping Zeng, Fang Yan and Xinke Li
Calcaneal fractures account for around 2% of all fractures and most of them are intra-articular fractures. Many implants have been used in the fixation of calcaneal fractures, but their biomechanical stability...
Authors: Ming Ni, Jiong Mei, Kun Li, Wenxin Niu and Ming Zhang
Proximal humerus fractures are the third most common in the human body but their management remains controversial. Open reduction and internal fixation with plates is one of the leading modes of operative trea...
The association between repetitive hip moment impulse and the progression of hip osteoarthritis is a recently recognized area of study. A sit-to-stand movement is essential for daily life and requires hip exte...
Authors: Takuma Inai, Tomoya Takabayashi, Mutsuaki Edama and Masayoshi Kubo
Neuroinflammation is primarily characterized by overexpression of proinflammatory mediators produced by glial activation or immune cell infiltration. Several kinases have been shown to be critical mediators in...
Authors: Chong Ning, Hui-Min David Wang, Rong Gao, Yu-Chia Chang, Fengqing Hu, Xianjun Meng and Shi-Ying Huang
Radionuclide-excited luminescence imaging is an optical radionuclide imaging strategy to reveal the distributions of radioluminescent nanophosphors (RLNPs) inside small animals, which uses radioluminescence em...
Authors: Xuanxuan Zhang, Shouping Zhu, Yang Li, Yonghua Zhan, Xueli Chen, Fei Kang, Jing Wang and Xu Cao
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
