Real time monitoring and analysis via the medical information bus, Part II.

abstract：:Thousands of patients receive human tissue grafts every year. Developments in cell and tissue engineering have also increased considerably the number of available products of human origin. France has very strict regulations, in part stimulated by problems of public health and ethics that have emerged in recent years a...

journal_title：Medical & biological engineering & computing

authors： Pascal P,Damour O,Colpart JJ,Braye F

更新日期：2000-03-01 00:00:00

abstract：:A new method of quantifying dermal perfusion on a regional basis using a dynamic thermographic technique is investigated. The technique is based on the relationship between dermal perfusion and the rate of skin surface reheating following the application of a transient cold challenge predicted by a theoretical model. ...

journal_title：Medical & biological engineering & computing

authors： Wilson SB,Spence VA

更新日期：1989-09-01 00:00:00

abstract：:Modern pacemakers (implantable devices used for maintaining an appropriate heart rate in patients) can use an intracardiac ventricular impedance signal for physiological cardiac stimulation control. Intracardiac ventricular impedance from nine animal subjects is analysed and presented (seven sheep: 49.0 +/- 6.5 kg, si...

journal_title：Medical & biological engineering & computing

authors： Järverud K,Ollmar S,Brodin LA

更新日期：2002-09-01 00:00:00

abstract：:Computer-based simulations of human hip joints generally include investigating contacts happening among soft or hard tissues during hip movement. In many cases, hip movement is approximated as rotation about an estimated hip center. In this paper, we investigate the effect of different methods used for estimating hip ...

journal_title：Medical & biological engineering & computing

authors： Arbabi E,Schmid J,Boulic R,Thalmann D,Magnenat-Thalmann N

更新日期：2012-06-01 00:00:00

abstract：:Axial and transverse components of liquid velocity are measured by laser Doppler anemometer in a perspex tube that has been deformed at one point to resemble the shape of the throat of a partially collapsed flexible tube, conveying fluid while being compressed externally. The Reynolds number is 5900. The flow down-str...

journal_title：Medical & biological engineering & computing

authors： Bertram CD,Muller M,Ramus F,Nugent AH

更新日期：2001-07-01 00:00:00

abstract：:To elucidate the mechanisms of localisation of intimal hyperplasia in anastomosed arteries, the effects of flow disturbances on the transport of low-density lipoproteins (LDLs) from the flowing blood to the wall of end-to-end anastomosed arteries, with and without a moderate stenosis, were studied theoretically by mea...

journal_title：Medical & biological engineering & computing

authors： Wada S,Koujiya M,Karino T

更新日期：2002-09-01 00:00:00

abstract：:The paper describes the application of new semi-automatic segmentation software to the task of detection of anatomical structures and lesion and their three-dimensional (3D) visualisation in 23 patients with secondary progressive multiple sclerosis (MS). The purpose is to study the correlation between magnetic resonan...

journal_title：Medical & biological engineering & computing

authors： Dastidar P,Heinonen T,Vahvelainen T,Elovaara I,Eskola H

更新日期：1999-01-01 00:00:00

abstract：:A three-layer Newtonian model is investigated using a combined Eulerian-Lagrangian computational method to describe the dynamic behaviour of leukocytes. The model, composed of a cell membrane (outer layer), cytoplasm (middle layer) and nucleus (inner layer), can better describe the recovery characteristics because lar...

journal_title：Medical & biological engineering & computing

authors： Tran-Son-Tay R,Kan HC,Udaykumar HS,Damay E,Shyy W

更新日期：1998-03-01 00:00:00

abstract：:In vivo follow-up of muscle shape variation represents a challenge when evaluating muscle development due to disease or treatment. Recent developments in muscles reconstruction techniques indicate MRI as a clinical tool for the follow-up of the thigh muscles. The comparison of 3D muscles shape from two different seque...

journal_title：Medical & biological engineering & computing

authors： Dubois G,Bonneau D,Lafage V,Rouch P,Skalli W

更新日期：2015-10-01 00:00:00

abstract：:Increasing costs in healthcare have stimulated discussions on whether installation of competent in-house service groups for equipment management could eventually aid in reducing expenditure. In the Federal Republic of Germany, a four-year programme was initiated in 1979 with the purpose of investigating the feasibilit...

journal_title：Medical & biological engineering & computing

authors： Irnich W

更新日期：1989-01-01 00:00:00

abstract：:Breast cancer is the most common cancer among women globally, and the number of young women diagnosed with this disease is gradually increasing over the years. Mammography is the current gold-standard technique although it is known to be less sensitive in detecting tumors in woman with dense breast tissue. Detecting a...

journal_title：Medical & biological engineering & computing

authors： Wahab AA,Salim MI,Ahamat MA,Manaf NA,Yunus J,Lai KW

更新日期：2016-09-01 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：:Segmentation and classification of low-quality and noisy ultrasound images is challenging task. In this paper, a new approach is proposed for robust segmentation and classification of carotid artery ultrasound images and consequently, detecting cerebrovascular disease. The proposed technique consists of two phases, in...

journal_title：Medical & biological engineering & computing

authors： Chaudhry A,Hassan M,Khan A

更新日期：2016-12-01 00:00:00

abstract：:Recent studies were investigated that report spontaneous oscillations of cerebral perfusion in the very low-frequency range (0.01-0.04 Hz), emphasising details of spectral estimation. The effects of different spectral estimation procedures were compared, using simulated and clinical data. It was shown that data detren...

journal_title：Medical & biological engineering & computing

authors： Müller T,Reinhard M,Oehm E,Hetzel A,Timmer J

更新日期：2003-01-01 00:00:00

abstract：:Detection and classification methods have a vital and important role in identifying brain diseases. Timely detection and classification of brain diseases enable an accurate identification and effective management of brain impairment. Brain disorders are commonly most spreadable diseases and the diagnosing process is t...

journal_title：Medical & biological engineering & computing

authors： Haq EU,Huang J,Kang L,Haq HU,Zhan T

更新日期：2020-11-01 00:00:00

abstract：:The tortuosity of retinal blood vessels is an important diagnostic indicator for a number of retinal pathologies. We applied robust quantitative tortuosity metrics, which are well suited to automated detection and measurement, to retinal fluorescein images of normal and diseased vessels exhibiting background diabetic ...

journal_title：Medical & biological engineering & computing

authors： Dougherty G,Johnson MJ,Wiers MD

更新日期：2010-01-01 00:00:00

abstract：:Abnormal localization of immature precursors (ALIP) aggregating and clustering in bone marrow biopsy appears earlier than that of bone marrow smears in detection of the relapse of acute myelocytic leukemia (AML). But traditional manual ALIP recognition has many shortcomings such as prone to false alarms, neglect of di...

journal_title：Medical & biological engineering & computing

authors： Cao G,Li L,Chen W,Yu Y,Shi J,Zhang G,Liu X

更新日期：2015-03-01 00:00:00

abstract：:Heart rate variability (HRV) is a well-accepted indicator for neural regulatory mechanisms in cardiovascular circulation. Its spectrum analysis provides the powerful means of observing the modulation between sympathetic and parasympathetic nervous system. The timescale of HRV is limited by discrete beat-to-beat time i...

journal_title：Medical & biological engineering & computing

authors： Chang CC,Hsiao TC,Hsu HY

更新日期：2014-04-01 00:00:00

abstract：:Full-night polysomnography (PSG) has been recognized as the gold standard test for sleep apnea-hypopnea syndrome (SAHS). However, PSG examinees are physically restrained for the full night by many contact sensors and obtrusive connecting cables, inducing mental stress. We developed a non-contact SAHS diagnostic system...

journal_title：Medical & biological engineering & computing

authors： Kagawa M,Tojima H,Matsui T

更新日期：2016-05-01 00:00:00

abstract：:A method for extrapolating the extracellular water (ECW) resistance from wrist-ankle resistance at 50 kHz (R (50)) is proposed in this paper, in order to enable 50 kHz impedancemeters to use the BIS-Hanai equation for determination of ECW. Values of R (50) and the ECW resistance extrapolated at zero frequency R (e) we...

journal_title：Medical & biological engineering & computing

authors： Jaffrin MY,Morel H

更新日期：2009-01-01 00:00:00

abstract：:A generic framework for the automated classification of human movements using an accelerometry monitoring system is introduced. The framework was structured around a binary decision tree in which movements were divided into classes and subclasses at different hierarchical levels. General distinctions between movements...

journal_title：Medical & biological engineering & computing

authors： Mathie MJ,Celler BG,Lovell NH,Coster AC

更新日期：2004-09-01 00:00:00

abstract：:Conduct disorder (CD) is an important mental health problem in childhood and adolescence. There is presently a trend of revealing neural mechanisms using measures of brain networks. This study goes further by presenting a classification scheme to distinguish subjects with CD from typically developing healthy subjects ...

journal_title：Medical & biological engineering & computing

authors： Zhang J,Liu Y,Luo R,Du Z,Lu F,Yuan Z,Zhou J,Li S

更新日期：2020-09-01 00:00:00

abstract：:This paper presents a novel hybrid medical stent device. This hybrid stent device formed by fractal mesh structures provides a flow-diverting effect and stent-assisted coil embolization. Flow-diverter stents decrease blood flow into an aneurysm to prevent its rupture. In general, the mesh size of a flow-diverter stent...

journal_title：Medical & biological engineering & computing

authors： Kojima M,Irie K,Masunaga K,Sakai Y,Nakajima M,Takeuchi M,Fukuda T,Arai F,Negoro M

更新日期：2016-05-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of increased blood flow on angiogenesis at the large vessels. The arteriovenous (AV) shunt was made on the thigh of male Wistar rats (n = 27) to increase blood flow, wrapped with artificial skin dermis, which consisted of a silicon outer layer, and isolated from sur...

journal_title：Medical & biological engineering & computing

authors： Asano Y,Ichioka S,Shibata M,Ando J,Nakatsuka T

更新日期：2005-01-01 00:00:00

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：:Most tissues are subject to some form of physiological mechanical loading which results in deformation of the cells triggering intracellular mechanotransduction pathways. This response to loading is generally essential for the health of the tissue, although more pronounced deformation may result in cell and tissue dam...

journal_title：Medical & biological engineering & computing

authors： Bader DL,Knight MM

更新日期：2008-10-01 00:00:00

abstract：:The propagation of waves in the arteries is generally described using Fourier analysis in terms of periodic wavetrains formed by the superposition of a mean value and sinusoidal waves at the fundamental frequency (defined by the heart rate) and its harmonics. There is, however, an alternative way to describe waves in ...

journal_title：Medical & biological engineering & computing

authors： Wang JJ,Shrive NG,Parker KH,Tyberg JV

更新日期：2009-02-01 00:00:00

abstract：:Respiratory sinus arrhythmia (RSA) is the variation of heart rate (or RR interval) in phase with respiration and has been extensively studied. However, the effect of respiration on atrioventricular conduction delay (and hence PR interval length) has not yet received much attention. This work reports on measurements of...

journal_title：Medical & biological engineering & computing

authors： Shouldice R,Heneghan C,Nolan P,Nolan PG,McNicholas W

更新日期：2002-11-01 00:00:00

abstract：:The paper describes a method of quantifying Duchenne muscular dystrophy which is examiner independent and uses surface electromyographic signals (EMG). A standardised protocol is proposed. Spectral parameters are first computed from digitised EMG, then a polynomial model is deduced from the evolution of each parameter...

journal_title：Medical & biological engineering & computing

authors： Priez A,Duchene J,Goubel F

更新日期：1992-05-01 00:00:00

abstract：:The objective of this study was to systematically assess the effects of pharyngeal anatomical details on breathing resistance and acoustic characteristics by means of computational modeling. A physiologically realistic nose-throat airway was reconstructed from medical images. Individual airway anatomy such as the uvul...

journal_title：Medical & biological engineering & computing

authors： Xi J,Si X,Kim J,Su G,Dong H

更新日期：2014-07-01 00:00:00