Articles
Page 43 of 45
-
Citation: BioMedical Engineering OnLine 2005 4:35
-
Investigation of non-uniform airflow signal oscillation during high frequency chest compression
High frequency chest compression (HFCC) is a useful and popular therapy for clearing bronchial airways of excessive or thicker mucus. Our observation of respiratory airflow of a subject during use of HFCC show...
Citation: BioMedical Engineering OnLine 2005 4:34 -
Saddow , Steven E, Anant Agarwal: Advances in silicon carbide processing and applications
Citation: BioMedical Engineering OnLine 2005 4:33 -
The effect of geometry and abduction angle on the stresses in cemented UHMWPE acetabular cups – finite element simulations and experimental tests
Contact pressure of UHMWPE acetabular cup has been shown to correlate with wear in total hip replacement (THR). The aim of the present study was to test the hypotheses that the cup geometry, abduction angle, t...
Citation: BioMedical Engineering OnLine 2005 4:32 -
Java Web Start based software for automated quantitative nuclear analysis of prostate cancer and benign prostate hyperplasia
Androgen acts via androgen receptor (AR) and accurate measurement of the levels of AR protein expression is critical for prostate research. The expression of AR in paired specimens of benign prostate and prost...
Citation: BioMedical Engineering OnLine 2005 4:31 -
> Mandelbrot BB: Fractals and Chaos
Citation: BioMedical Engineering OnLine 2005 4:30 -
A portable near infrared spectroscopy system for bedside monitoring of newborn brain
Newborns with critical health conditions are monitored in neonatal intensive care units (NICU). In NICU, one of the most important problems that they face is the risk of brain injury. There is a need for conti...
Citation: BioMedical Engineering OnLine 2005 4:29 -
Mow VC, Huiskes R: Basic Orthopaedic Biomechanics and Mechano-Biology
Citation: BioMedical Engineering OnLine 2005 4:28 -
Holder David S: Electrical Impedance Tomography
Citation: BioMedical Engineering OnLine 2005 4:27 -
Wagner S, Hanke W, Bode A, Durst F, editors: High Performance Computing in Science and Engineering, Munich 2004
Citation: BioMedical Engineering OnLine 2005 4:26 -
Finite volume analysis of temperature effects induced by active MRI implants with cylindrical symmetry: 1. Properly working devices
Active Magnetic Resonance Imaging implants are constructed as resonators tuned to the Larmor frequency of a magnetic resonance system with a specific field strength. The resonating circuit may be embedded into...
Citation: BioMedical Engineering OnLine 2005 4:25 -
Mathematical model describing erythrocyte sedimentation rate. Implications for blood viscosity changes in traumatic shock and crush syndrome
The erythrocyte sedimentation rate (ESR) is a simple and inexpensive laboratory test, which is widespread in clinical practice, for assessing the inflammatory or acute response. This work addresses the theoret...
Citation: BioMedical Engineering OnLine 2005 4:24 -
Hall David L, McMullen Sonya AH: Mathematical Techniques in Multisensor Data Fusion
Citation: BioMedical Engineering OnLine 2005 4:23 -
Amplifier spurious input current components in electrode-electrolyte interface impedance measurements
In Impedance Microbiology, the time during which the measuring equipment is connected to the bipolar cells is rather long, usually between 6 to 24 hrs for microorganisms with duplication times in the order of ...
Citation: BioMedical Engineering OnLine 2005 4:22 -
In Memorium: Herman P. Schwan [1915–2005]
Herman P. Schwan [1915–2005] was a distinguished scientist and engineer, and a founding father of the field of biomedical engineering. A man of integrity, Schwan influenced the lives of many, including his wif...
Citation: BioMedical Engineering OnLine 2005 4:21 -
Webb S: Contemporary IMRT: Developing Physics and ClinicalImplementation. Series in Medical Physics and Biomedical Engineering
Citation: BioMedical Engineering OnLine 2005 4:20 -
Non-rigid registration of a 3D ultrasound and a MR image data set of the female pelvic floor using a biomechanical model
The visual combination of different modalities is essential for many medical imaging applications in the field of Computer-Assisted medical Diagnosis (CAD) to enhance the clinical information content. Clinical...
Citation: BioMedical Engineering OnLine 2005 4:19 -
Heiberger RM, Holland B: Statistical Analysis and Data Display: An Intermediate Course with Examples in S-PLUS, R, and SAS
Citation: BioMedical Engineering OnLine 2005 4:18 -
Mechanical properties of femoral trabecular bone in dogs
Studying mechanical properties of canine trabecular bone is important for a better understanding of fracture mechanics or bone disorders and is also needed for numerical simulation of canine femora. No detaile...
Citation: BioMedical Engineering OnLine 2005 4:17 -
Public access defibrillation: Suppression of 16.7 Hz interference generated by the power supply of the railway systems
A specific problem using the public access defibrillators (PADs) arises at the railway stations. Some countries as Germany, Austria, Switzerland, Norway and Sweden are using AC railroad net power-supply system...
Citation: BioMedical Engineering OnLine 2005 4:16 -
On the methodological unification in electroencephalography
This paper presents results of a pursuit of a repeatable and objective methodology of analysis of the electroencephalographic (EEG) time series.
Citation: BioMedical Engineering OnLine 2005 4:15 -
Computational model of blood flow in the aorto-coronary bypass graft
Coronary artery bypass grafting surgery is an effective treatment modality for patients with severe coronary artery disease. The conduits used during the surgery include both the arterial and venous conduits. ...
Citation: BioMedical Engineering OnLine 2005 4:14 -
Li JK: Dynamics of the Vascular System
Citation: BioMedical Engineering OnLine 2005 4:13 -
A comparative study of reaction times between type II diabetics and non-diabetics
Aging has been shown to slow reflexes and increase reaction time to varied stimuli. However, the effect of Type II diabetes on these same reaction times has not been reported. Diabetes affects peripheral nerve...
Citation: BioMedical Engineering OnLine 2005 4:12 -
Dispersion of cardiac action potential duration and the initiation of re-entry: A computational study
The initiation of re-entrant cardiac arrhythmias is associated with increased dispersion of repolarisation, but the details are difficult to investigate either experimentally or clinically. We used a computati...
Citation: BioMedical Engineering OnLine 2005 4:11 -
Passive and active ventricular elastances of the left ventricle
Description of the heart as a pump has been dominated by models based on elastance and compliance. Here, we are presenting a somewhat new concept of time-varying passive and active elastance. The mathematical ...
Citation: BioMedical Engineering OnLine 2005 4:10 -
Berger DS: Music Therapy, Sensory Integration and the Autistic Child
Citation: BioMedical Engineering OnLine 2005 4:9 -
Valentinuzzi ME: Understanding the Human Machine, A Primer for Bioengineering
Citation: BioMedical Engineering OnLine 2005 4:8 -
Gap-junction channels inhibit transverse propagation in cardiac muscle
The effect of adding many gap-junctions (g-j) channels between contiguous cells in a linear chain on transverse propagation between parallel chains was examined in a 5 × 5 model (5 parallel chains of 5 cells e...
Citation: BioMedical Engineering OnLine 2005 4:7 -
Life-threatening ventricular arrhythmia recognition by nonlinear descriptor
Ventricular tachycardia (VT) and ventricular fibrillation (VF) are ventricular cardiac arrhythmia that could be catastrophic and life threatening. Correct and timely detection of VT or VF can save lives.
Citation: BioMedical Engineering OnLine 2005 4:6 -
Design and testing of low intensity laser biostimulator
The non-invasive nature of laser biostimulation has made lasers an attractive alternative in Medical Acupuncture at the last 25 years. However, there is still an uncertainty as to whether they work or their ef...
Citation: BioMedical Engineering OnLine 2005 4:5 -
A case study of type 2 diabetes self-management
It has been established that careful diabetes self-management is essential in avoiding chronic complications that compromise health. Disciplined diet control and regular exercise are the keys for the type 2 di...
Citation: BioMedical Engineering OnLine 2005 4:4 -
Review of "Methods for testing and evaluating survey questionnaires" by S. Presser, et al
Citation: BioMedical Engineering OnLine 2005 4:3 -
A finite element method model to simulate laser interstitial thermo therapy in anatomical inhomogeneous regions
Laser Interstitial ThermoTherapy (LITT) is a well established surgical method. The use of LITT is so far limited to homogeneous tissues, e.g. the liver. One of the reasons is the limited capability of existing...
Citation: BioMedical Engineering OnLine 2005 4:2 -
Evolutionary autonomous agents and the nature of apraxia
Evolutionary autonomous agents are robots or robot simulations whose controller is a dynamical neural network and whose evolution occurs autonomously under the guidance of a fitness function without the detail...
Citation: BioMedical Engineering OnLine 2005 4:1 -
Breath to breadth: Peter Sydenham's introduction to management of engineering design
Citation: BioMedical Engineering OnLine 2004 3:45 -
A quantitative comparison of different methods to detect cardiorespiratory coordination during night-time sleep
The univariate approaches used to analyze heart rate variability have recently been extended by several bivariate approaches with respect to cardiorespiratory coordination. Some approaches are explicitly based...
Citation: BioMedical Engineering OnLine 2004 3:44 -
Friedman L M, Furberg C D, DeMets D L: Fundamentals of Clinical Trials 3rd edition
Citation: BioMedical Engineering OnLine 2004 3:43 -
Transport lattice models of heat transport in skin with spatially heterogeneous, temperature-dependent perfusion
Investigation of bioheat transfer problems requires the evaluation of temporal and spatial distributions of temperature. This class of problems has been traditionally addressed using the Pennes bioheat equatio...
Citation: BioMedical Engineering OnLine 2004 3:42 -
Threshold intensity factors as lower boundaries for crack propagation in ceramics
Slow crack growth can be described in a v (crack velocity) versus KI (stress intensity factor) diagram. Slow crack growth in ceramics is attributed to corrosion assisted stress at the crack tip or at any pre-exis...
Citation: BioMedical Engineering OnLine 2004 3:41 -
A two-layered mechanical model of the rat esophagus. Experiment and theory
The function of esophagus is to move food by peristaltic motion which is the result of the interaction of the tissue forces in the esophageal wall and the hydrodynamic forces in the food bolus. The structure o...
Citation: BioMedical Engineering OnLine 2004 3:40 -
Multimodal pressure-flow method to assess dynamics of cerebral autoregulation in stroke and hypertension
This study evaluated the effects of stroke on regulation of cerebral blood flow in response to fluctuations in systemic blood pressure (BP). The autoregulatory dynamics are difficult to assess because of the n...
Citation: BioMedical Engineering OnLine 2004 3:39 -
Decrease of resistance to air flow with nasal strips as measured with the airflow perturbation device
Nasal strips are used by athletes, people who snore, and asthmatics to ease the burden of breathing. Although there are some published studies that demonstrate higher flow with nasal strips, none had directly ...
Citation: BioMedical Engineering OnLine 2004 3:38 -
Assessment of the dynamics of atrial signals and local atrial period series during atrial fibrillation: effects of isoproterenol administration
The autonomic nervous system (ANS) plays an important role in the genesis and maintenance of atrial fibrillation (AF), but quantification of its electrophysiologic effects is extremely complex and difficult. A...
Citation: BioMedical Engineering OnLine 2004 3:37 -
Review of, "Biostatistics and Epidemiology" by S. Wassertheil-Smoller
Citation: BioMedical Engineering OnLine 2004 3:36 -
Image fusion for dynamic contrast enhanced magnetic resonance imaging
Multivariate imaging techniques such as dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) have been shown to provide valuable information for medical diagnosis. Even though these techniques provid...
Citation: BioMedical Engineering OnLine 2004 3:35 -
Review and standardization of cell phone exposure calculations using the SAM phantom and anatomically correct head models
We reviewed articles using computational RF dosimetry to compare the Specific Anthropomorphic Mannequin (SAM) to anatomically correct models of the human head. Published conclusions based on such comparisons h...
Citation: BioMedical Engineering OnLine 2004 3:34 -
Moorhouse M Barry P Bioinformatics Biocomputing and Perl
Citation: BioMedical Engineering OnLine 2004 3:33 -
Feasibility of rapid and automated importation of 3D echocardiographic left ventricular (LV) geometry into a finite element (FEM) analysis model
Finite element method (FEM) analysis for intraoperative modeling of the left ventricle (LV) is presently not possible. Since 3D structural data of the LV is now obtainable using standard transesophageal echoca...
Citation: BioMedical Engineering OnLine 2004 3:32 -
ImageParser: a tool for finite element generation from three-dimensional medical images
The finite element method (FEM) is a powerful mathematical tool to simulate and visualize the mechanical deformation of tissues and organs during medical examinations or interventions. It is yet a challenge to...
Citation: BioMedical Engineering OnLine 2004 3:31