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
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
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
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...
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
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
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
Diagnosing and treating anorexia nervosa is an important challenge for modern psychiatry. Taking into account a connection between the mental state of a person and the characteristics of their language, this p...
Authors: Dominik Spinczyk, Karolina Nabrdalik and Katarzyna Rojewska
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
This article is a review of the book “Master machine learning algorithms, discover how they work and implement them from scratch” (ISBN: not available, 37 USD, 163 pages) edited by Jason Brownlee published by ...
Breathing sounds during sleep are altered and characterized by various acoustic specificities in patients with sleep disordered breathing (SDB). This study aimed to identify acoustic biomarkers indicative of t...
Authors: Taehoon Kim, Jeong-Whun Kim and Kyogu Lee
Decellularized animal organs have been used as scaffolds for tissue engineering. To make a properly functioning scaffolds, the extracellular matrix (ECM) components must be preserved after decellularization. B...
Authors: Sung Min Park, Seran Yang, Se-Min Rye and Seong Wook Choi
A hemiplegic stroke survivor with a moderate to severe gait disturbance may have difficulty walking using a one-arm walker. This study aimed to test the safety and feasibility of a prototype one-arm motorized ...
Authors: Ki-Hun Cho, SeungHyeon Pyo, Gi-Su Shin, Sung-Duk Hong, Se-Han Lee, DongGeon Lee, SunHae Song and GyuChang Lee
The QRS complex is the most noticeable feature in the electrocardiogram (ECG) signal, therefore, its detection is critical for ECG signal analysis. The existing detection methods largely depend on hand-crafted...
The goal of this paper is to present a critical review on the main systems that use artificial intelligence to identify groups at risk for osteoporosis or fractures. The systems considered for this study were ...
Authors: Agnaldo S. Cruz, Hertz C. Lins, Ricardo V. A. Medeiros, José M. F. Filho and Sandro G. da Silva
In the last few years, some studies have measured heart rate (HR) or heart rate variability (HRV) parameters using a video camera. This technique focuses on the measurement of the small changes in skin colour ...
Authors: Angel Melchor Rodríguez and J. Ramos-Castro
Open reduction and internal fixation of proximal humerus fractures can be difficult to achieve adequate, complication free results due to osteopenia of the proximal humerus and unstable fracture patterns. This...
Authors: Ali Jabran, Chris Peach, Zhenmin Zou and Lei Ren
Colonoscopy plays an important role in the clinical screening and management of colorectal cancer. The traditional ‘see one, do one, teach one’ training style for such invasive procedure is resource intensive ...
Authors: Tingxi Wen, David Medveczky, Jackie Wu and Jianhuang Wu
Muscular performance is an important factor for the mechanical stability of lumbar spine in humans, in which, the co-contraction of lumbar muscles plays a key role. We hypothesized that when executing differen...
Authors: Wenjing Du, Huihui Li, Olatunji Mumini Omisore, Lei Wang, Wenmin Chen and Xiangjun Sun
Extracellular matrices (ECMs) are often used in reconstructive surgery to enhance tissue regeneration and remodeling. Sutures and staples are currently used to fix ECMs to tissue although they can be invasive ...
Authors: Samuel J. Frost, Damia Mawad, Richard Wuhrer, Simon Myers and Antonio Lauto
Hippocampal atrophy is a supportive feature for the diagnosis of probable Alzheimer’s disease (AD). However, even for an expert neuroradiologist, tracing the hippocampus and measuring its volume is a time cons...
Authors: Nicola Amoroso, Marianna La Rocca, Roberto Bellotti, Annarita Fanizzi, Alfonso Monaco and Sabina Tangaro
This paper presents the use of the texture matching method to measure the rabbit carotid artery elasticity value of the experimental group and control group respectively. It compares the experimental rabbits, ...
Authors: Bo Zhang, Junyi Gu, Ming Qian, Lili Niu and Dhanjoo Ghista
Thermally significant blood flows into locally cooled diseased tissues and warm them during cryosurgery so that the iceball is often hard to cover the whole diseased volume. This paper is aimed at investigatin...
Authors: Yong-Chang Zheng, Jun-Hong Wu, Zhi-Zhu He and Shao-Jiong Huang
The multiple-breath washout (MBW) is able to provide information about the distribution of ventilation-to-volume (v/V) ratios in the lungs. However, the classical, all-parallel model may return skewed results ...
Authors: Gabriel Casulari Motta-Ribeiro, Frederico Caetano Jandre, Hermann Wrigge and Antonio Giannella-Neto
Limits for exposure to radiofrequency (RF) contact currents are specified in the two dominant RF safety standards and guidelines developed by the Institute of Electrical and Electronics Engineers (IEEE) and th...
Two international guidelines/standards for human protection from electromagnetic fields define the specific absorption rate (SAR) averaged over 10 g of tissue as a metric for protection against localized radio...
Authors: Sachiko Kodera, Jose Gomez-Tames and Akimasa Hirata
Red blood cells (RBCs) deform significantly and repeatedly when passing through narrow capillaries and delivering dioxygen throughout the body. Deformability of RBCs is a key characteristic, largely governed b...
Authors: Sarah Barns, Marie Anne Balanant, Emilie Sauret, Robert Flower, Suvash Saha and YuanTong Gu
R-wave synchronised atrial pacing is an effective temporary pacing therapy in infants with postoperative junctional ectopic tachycardia. In the technique currently used, adverse short or long intervals between...
Authors: Andreas Entenmann, Miriam Michel, Bruno Ismer and Roman Gebauer
Results of finite element (FE) analyses can give insight into musculoskeletal diseases if physiological boundary conditions, which include the muscle forces during specific activities of daily life, are consid...
Authors: Arnaud Diffo Kaze, Stefan Maas, Pierre-Jean Arnoux, Claude Wolf and Dietrich Pape
This paper presents quantitative analysis of blood flow shear stress by measuring the carotid arterial wall shear stress (WSS) and the intima-media thickness (IMT) of experimental rabbits fed with high-fat fee...
Authors: Bo Zhang, Junyi Gu, Ming Qian, Lili Niu, Hui Zhou and Dhanjoo Ghista
Adolescent idiopathic scoliosis, in which obvious curves are visible in radiographic images, is also seen in combination with lumps in the back. These lumps contribute to inclination, which can be measured by ...
Authors: Hsuan-Hsiao Ma, Ching-Lung Tai, Lih-Huei Chen, Chi-Chien Niu, Wen-Jer Chen and Po-Liang Lai
Dry eye syndrome is one of the most common ocular diseases, and meibomian gland dysfunction (MGD) is the leading cause of evaporative dry eye syndrome. When the tear film lipid layer becomes thin due to obstru...
Authors: Hyeonha Hwang, Hee-Jae Jeon, Kin Choong Yow, Ho Sik Hwang and EuiHeon Chung
Human adipose-derived stem cells (hADSCs) are capable of differentiating into many cells such as cardiac cells. Different types of inducers are used for cardiac cell differentiation, but this question still re...
Authors: Zahra Bagheri-Hosseinabadi, Parvin Salehinejad and Seyed Alireza Mesbah-Namin
Swallowing is a continuous process with substantive interdependencies among different muscles, and it plays a significant role in our daily life. The aim of this study was to propose a novel technique based on...
Authors: Mingxing Zhu, Bin Yu, Wanzhang Yang, Yanbing Jiang, Lin Lu, Zhen Huang, Shixiong Chen and Guanglin Li
Ocular images play an essential role in ophthalmological diagnoses. Having an imbalanced dataset is an inevitable issue in automated ocular diseases diagnosis; the scarcity of positive samples always tends to ...
The purpose of this study was to design a customized fixation plate for mandibular angle fracture using topological optimization based on the biomechanical properties of the two conventional fixation systems, ...
Authors: Yun-feng Liu, Ying-ying Fan, Xian-feng Jiang and Dale A. Baur
Several methods including free-hand technique, fluoroscopic guidance, image-guided navigation, computer-assisted surgery system, robotic platform and patient’s specific templates are being used for pedicle scr...
Authors: Farhad Azimifar, Kamran Hassani, Amir Hossein Saveh and Farhad Tabatabai Ghomsheh
In a typical electrophysiological experiment, especially one that includes studying animal behavior, the data collected normally contain spikes, local field potentials, behavioral responses and other associate...
Effect of neurofeedback training (NFT) on enhancement of cognitive function or amelioration of clinical symptoms is inconclusive. The trainability of brain rhythm using a neurofeedback system is uncertainty be...
Coronary arterial stenoses, particularly serial stenoses in a single branch, are responsible for complex hemodynamic properties of the coronary arterial trees, and the uncertain prognosis of invasive intervent...
Authors: Xin Liu, Changnong Peng, Yufa Xia, Zhifan Gao, Pengcheng Xu, Xiaoqing Wang, Zhanchao Xian, Youbing Yin, Liqun Jiao, Defeng Wang, Lin Shi, Wenhua Huang, Xin Liu and Heye Zhang
For mechanically ventilated patients with acute respiratory distress syndrome (ARDS), suboptimal PEEP levels can cause ventilator induced lung injury (VILI). In particular, high PEEP and high peak inspiratory ...
Authors: Ruby Langdon, Paul D. Docherty, Christoph Schranz and J. Geoffrey Chase
Various kinds of data mining algorithms are continuously raised with the development of related disciplines. The applicable scopes and their performances of these algorithms are different. Hence, finding a sui...
Authors: Yiyan Zhang, Yi Xin, Qin Li, Jianshe Ma, Shuai Li, Xiaodan Lv and Weiqi Lv
Cartilage elasticity changes with cartilage degeneration. Hence, cartilage elasticity detection might be an alternative to traditional imaging methods for the early diagnosis of osteoarthritis. Based on the wa...
Authors: Hao Xu, Shigao Chen, Kai-Nan An and Zong-Ping Luo
