Effect of flow direction on the morphological responses of cultured bovine aortic endothelial cells.

abstract：:A method is presented for automatic analysis of the P-wave, based on lead II of a 12-lead standard ECG, in resting conditions during a routine examination for the detection of patients prone to atrial fibrillation (AF), one of the most prevalent arrhythmias. First, the P-wave was delineated, and this was achieved in t...

journal_title：Medical & biological engineering & computing

authors： Clavier L,Boucher JM,Lepage R,Blanc JJ,Cornily JC

更新日期：2002-01-01 00:00:00

abstract：:Gastrointestinal stimulator implants have recently shown positive results in treating obesity. However, the implantation currently requires an invasive surgical procedure. Endoscopy could be used to place the gastric stimulator in the stomach, hence avoiding the riskier surgery. The implant then needs to go through th...

journal_title：Medical & biological engineering & computing

authors： Lonys L,Vanhoestenberghe A,Julémont N,Godet S,Delplancke MP,Mathys P,Nonclercq A

更新日期：2015-04-01 00:00:00

abstract：:The visco-elastic properties of living cells, measured to date by various authors, vary considerably, depending on the experimental methods and/or on the theoretical models used. In the present study, two mechanisms thought to be involved in cellular visco-elastic responses were analysed, based on the idea that the cy...

journal_title：Medical & biological engineering & computing

authors： Cañadas P,Laurent VM,Chabrand P,Isabey D,Wendling-Mansuy S

更新日期：2003-11-01 00:00:00

abstract：:Conventional methods of electrobioimpedance imaging are not suited for adequate visualization of the skin electrical impedance landscape (SEL) because they do not provide high spatial resolution at large enough area of view. The skin electrodynamics introscopy (SEI) enabled dynamic spectral imaging of the SEL at 32 × ...

journal_title：Medical & biological engineering & computing

authors： Babich Y,Nuzhdina M,Syniuta S

更新日期：2018-02-01 00:00:00

abstract：:Aortic stiffness measurement is well recognized as an independent predictor of cardiovascular mortality and morbidity. Recently, a simple method has been proposed for the evaluation of the local aortic stiffness (AoStiff) using a non-invasive bioelectrical impedance (BI) technique. This approach relies on a novel inte...

journal_title：Medical & biological engineering & computing

authors： Collette M,Lalande A,Willoteaux S,Leftheriotis G,Humeau A

更新日期：2011-04-01 00:00:00

abstract：:In cranioplasty, neurosurgeons use bone grafts to repair skull defects. To ensure the protection of intracranial tissues and recover the original head shape for aesthetic purposes, a custom-made pre-fabricated prosthesis must match the cranial incision as closely as possible. In our previous study (Liao et al. in Med ...

journal_title：Medical & biological engineering & computing

authors： Liao YL,Lu CF,Wu CT,Lee JD,Lee ST,Sun YN,Wu YT

更新日期：2013-02-01 00:00:00

abstract：:The performance of the stimulation coil in a magnetic nerve stimulator can be improved by attaching a ferromagnetic structure to the coil. This reduces heat generation at the coil and increases magnetic field strength for a given unit of current. Some technical aspects of the design of a stimulation coil with a ferrom...

journal_title：Medical & biological engineering & computing

authors： Han BH,Lee SY,Kim JH,Yi JH

更新日期：2003-09-01 00:00:00

abstract：:Multi-scale modeling of the musculoskeletal system plays an essential role in the deep understanding of complex mechanisms underlying the biological phenomena and processes such as bone metabolic processes. Current multi-scale models suffer from the isolation of sub-models at each anatomical scale. The objective of th...

journal_title：Medical & biological engineering & computing

authors： Dao TT

更新日期：2017-06-01 00:00:00

abstract：:The purpose of this study is to investigate the change in biomechanical milieu following removal of pedicle screws in instrumented single level lumbar arthrodesis. Using a validated finite element (FE) model of the intact lumbar spine (L2-5), two scenarios of L3-4 lumbar fusion were simulated: posterolateral fusion (P...

journal_title：Medical & biological engineering & computing

authors： Kim HJ,Chun HJ,Moon SH,Kang KT,Kim HS,Park JO,Moon ES,Sohn JS,Lee HM

更新日期：2010-07-01 00:00:00

abstract：:The object of this study is to compare the performance of two new bilinear time-frequency representation techniques with the spectrogram to characterise the behaviour of heart murmurs produced by bioprosthetic heart valves implanted in the mitral or aortic position. The murmurs are those of mitral stenosis, mitral reg...

journal_title：Medical & biological engineering & computing

authors： Debiais F,Durand LG,Pibarot P,Guardo R

更新日期：1997-09-01 00:00:00

abstract：:An original numerical method is developed to compute the 3D electric potential generated by a dot-contact cuff electrode implanted around an axisymmetrical, inhomogeneous, anisotropic nerve. The technique is based on a 2D finite-element approach coupled with a semi-analytical Fourier spectral decomposition to approxim...

journal_title：Medical & biological engineering & computing

authors： Parrini S,Delbeke J,Romero E,Legat V,Veraart C

更新日期：1999-11-01 00:00:00

abstract：:The purpose of the study was to explore the application of artificial neural network model in the auxiliary diagnosis of lung cancer and compare the effects of back-propagation (BP) neural network with Fisher discrimination model for lung cancer screening by the combined detections of four biomarkers of p16, RASSF1A a...

journal_title：Medical & biological engineering & computing

authors： Duan X,Yang Y,Tan S,Wang S,Feng X,Cui L,Feng F,Yu S,Wang W,Wu Y

更新日期：2017-08-01 00:00:00

abstract：:A three-element cardiac muscle fibre model, utilising Huxley's sliding filament theory for the contractile element and coupled with parallel and series elastic components, was simulated to see if it were possible to predict the cardiac Fenn effect. The force/length energy (FLE) was computed in both isometric and isoto...

journal_title：Medical & biological engineering & computing

authors： Taylor TW,Goto Y,Suga H

更新日期：1993-07-01 00:00:00

abstract：:The development of an active implantable device for measuring electrocardiogram (ECG) is presented. The study is a part of a project which aims at developing implantable ECG instrumentation with wireless data and power transfer ( http://www.ele.tut.fi/tule ). The developed implant presented here has all the measuremen...

journal_title：Medical & biological engineering & computing

authors： Riistama J,Väisänen J,Heinisuo S,Harjunpää H,Arra S,Kokko K,Mäntylä M,Kaihilahti J,Heino P,Kellomäki M,Vainio O,Vanhala J,Lekkala J,Hyttinen J

更新日期：2007-12-01 00:00:00

abstract：:With the advent of biomedical imaging technology, the number of captured and stored biomedical images is rapidly increasing day by day in hospitals, imaging laboratories and biomedical institutions. Therefore, more robust biomedical image analysis technology is needed to meet the requirement of the diagnosis and class...

journal_title：Medical & biological engineering & computing

authors： Pang S,Du A,Orgun MA,Yu Z

更新日期：2019-01-01 00:00:00

abstract：:Cerebral autoregulation controls cerebral blood flow under changing cerebral perfusion pressure. Standards for measurement and analysis of dynamic cerebral autoregulation (dCA) are lacking. In this study, dCA reproducibility, quantified by intraclass correlation coefficient, is evaluated for different methodological a...

journal_title：Medical & biological engineering & computing

authors： Gommer ED,Shijaku E,Mess WH,Reulen JP

更新日期：2010-12-01 00:00:00

abstract：:The present paper compares the performance of two Hilbert spectral analyses when applied to a synthetic RR series from a nonstationary integral pulse frequency modulation model and to real RR series from a dataset of normal sinus arrhythmia. The Hilbert-Huang transformation based on empirical mode decomposition is com...

journal_title：Medical & biological engineering & computing

authors： Ihlen EA

更新日期：2009-10-01 00:00:00

abstract：:Spectral analysis of heart rate variability (HRV) is a widely accepted approach for assessment of cardiac autonomic function and its relationship to numerous disorders and diseases. As a rule, the non-parametric methods for HRV spectral analysis are tested using the integral pulse frequency modulation (IPFM) model. Ho...

journal_title：Medical & biological engineering & computing

authors： Mitov IP

更新日期：2001-05-01 00:00:00

abstract：:This work addresses the problem of estimating the conduction velocity (CV) of single motor unit (MU) action potentials from surface EMG signals detected with linear electrode arrays during voluntary muscle contractions. In ideal conditions, that is without shape or scale changes of the propagating signals and with add...

journal_title：Medical & biological engineering & computing

authors： Farina D,Muhammad W,Fortunato E,Meste O,Merletti R,Rix H

更新日期：2001-03-01 00:00:00

abstract：:Spinal pattern generators (SPGs), which are neural networks without a central input from the brain may be responsible for controlling locomotion. In this study, we used neural oscillators to examine the rhythmic patterns generated at the ankle during walking. Seven healthy male subjects were requested to walk at their...

journal_title：Medical & biological engineering & computing

authors： Chong SY,Wagner H,Wulf A

更新日期：2012-09-01 00:00:00

abstract：:Musculoskeletal models have been developed to estimate internal loading on the human skeleton, which cannot directly be measured in vivo, from external measurements like kinematics and external forces. Such models of the shoulder and upper extremity have been used for a variety of purposes, ranging from understanding ...

journal_title：Medical & biological engineering & computing

authors： Bolsterlee B,Veeger DH,Chadwick EK

更新日期：2013-09-01 00:00:00

abstract：:Nowadays, acoustic emission (AE) has its applications in various areas, including mechanical, civil, underwater acoustics, and biomedical engineering. It is a non-destructive evaluation (NDE) and a non-intrusive method to detect active damage mechanisms such as crack growth, delamination, and processes such as frictio...

journal_title：Medical & biological engineering & computing

authors： Remya AR,Vishwash B,Lee C,Pai PS,Espinoza Oras AA,Ozevin D,Mathew MT

更新日期：2020-08-01 00:00:00

abstract：:Electromyography (EMG) in a bio-driven system is used as a control signal, for driving a hand prosthesis or other wearable assistive devices. Processing to get informative drive signals involves three main modules: preprocessing, dimensionality reduction, and classification. This paper proposes a system for classifyin...

journal_title：Medical & biological engineering & computing

authors： Phukpattaranont P,Thongpanja S,Anam K,Al-Jumaily A,Limsakul C

更新日期：2018-12-01 00:00:00

abstract：:Reactive hyperaemia is the term given to the temporary increase in blood flow that follows release of an occlusion of the arterial supply. Measurement of reactive hyperaemia in the leg below the knee is useful in assessment of the vascular system, as resting flows remain unaffected even in the presence of quite severe...

journal_title：Medical & biological engineering & computing

authors： Smye SW,Bloor MI

更新日期：1994-09-01 00:00:00

abstract：:A comparison of auditory and visual perception of scatterplots showed similar correlation estimation performance in both modalities. The present study replicated this experiment using electrotactile (electrocutaneous) presentation of scatterplots on the fingertips and abdomen, as well as visual presentation. The corre...

journal_title：Medical & biological engineering & computing

authors： Haase SJ,Kaczmarek KA

更新日期：2005-03-01 00:00:00

abstract：:A method for the identification of the breast boundary in mammograms is presented. The method can be used in the preprocessing stage of a system for computer-aided diagnosis (CAD) of breast cancer and also in the reduction of image file size in picture archiving and communication system applications. The method starte...

journal_title：Medical & biological engineering & computing

authors： Ferrari RJ,Rangayyan RM,Desautels JE,Borges RA,Frère AF

更新日期：2004-03-01 00:00:00

abstract：:The clinical efficacy of a microwave (MW) hyperthermia system using an electric-field converging (lens) applicator is evaluated for 42 malignant tumours with a maximum tumour depth of less than 7 cm. The mean of the maximum, average and minimum tumour temperature of the 42 tumours are 44.5, 42.5 and 40.7 C, respective...

journal_title：Medical & biological engineering & computing

authors： Hiraoka M,Nishimura Y,Masunaga S,Koishi M,Mitsumori M,Li YP,Nagata Y,Akuta K,Takahashi M,Abe M

更新日期：1995-01-01 00:00:00

abstract：:An efficient and novel modeling approach is proposed in this paper for identifying proteins or genes involved in melanoma skin cancer. Two types of classifiers are modeled, based on the chemical structure and hydropathy property of amino acids. These classifiers are further implemented using NI LabVIEW-based hardware ...

journal_title：Medical & biological engineering & computing

authors： Roy T,Bhattacharjee P

更新日期：2020-10-01 00:00:00

abstract：:Atrial fibrillation (AF) is the most common cardiac arrhythmia with episodes that may terminate spontaneously in the first stages of the disease. On the other hand, when the arrhythmia is not self-terminating, normal sinus rhythm (NSR) restoration use to be required to reduce the risk of stroke and improve cardiac out...

journal_title：Medical & biological engineering & computing

authors： Alcaraz R,Rieta JJ

更新日期：2008-07-01 00:00:00

abstract：:Parkinson's disease (PD) is a neurodegenerative disease of the central nervous system that results from the degeneration of dopaminergic neurons in the substantia nigra. Abnormal gait begins in the early stage and becomes severe as the disease progresses; therefore, the assessment of gait becomes an important issue in...

journal_title：Medical & biological engineering & computing

authors： Lin SH,Chen SW,Lo YC,Lai HY,Yang CH,Chen SY,Chang YJ,Chen CH,Huang WT,Jaw FS,Chen YY,Tsang S,Liao LD

更新日期：2016-03-01 00:00:00