Arteriosclerosis

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Arteriosclerosis refers to a stiffening of arteries. (Wikipedia.org)






Conferences related to Arteriosclerosis

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2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2019 41st Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops andinvitedsessions of the latest significant findings and developments in all the major fields ofbiomedical engineering.Submitted papers will be peer reviewed. Accepted high quality paperswill be presented in oral and postersessions, will appear in the Conference Proceedings and willbe indexed in PubMed/MEDLINE & IEEE Xplore


2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI)

The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forum for the presentation of technological advances in theoretical and applied biomedical imaging.ISBI 2019 will be the 16th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2019 meeting will continue this tradition of fostering cross fertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.


2019 IEEE International Conference on Image Processing (ICIP)

The International Conference on Image Processing (ICIP), sponsored by the IEEE SignalProcessing Society, is the premier forum for the presentation of technological advances andresearch results in the fields of theoretical, experimental, and applied image and videoprocessing. ICIP 2019, the 26th in the series that has been held annually since 1994, bringstogether leading engineers and scientists in image and video processing from around the world.


2019 IEEE International Ultrasonics Symposium (IUS)

The conference covers all aspects of the technology associated with ultrasound generation and detection and their applications.


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Periodicals related to Arteriosclerosis

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Biomedical Engineering, IEEE Reviews in

The IEEE Reviews in Biomedical Engineering will review the state-of-the-art and trends in the emerging field of biomedical engineering. This includes scholarly works, ranging from historic and modern development in biomedical engineering to the life sciences and medicine enabled by technologies covered by the various IEEE societies.


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Computer

Computer, the flagship publication of the IEEE Computer Society, publishes peer-reviewed technical content that covers all aspects of computer science, computer engineering, technology, and applications. Computer is a resource that practitioners, researchers, and managers can rely on to provide timely information about current research developments, trends, best practices, and changes in the profession.


Engineering in Medicine and Biology Magazine, IEEE

Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.


Medical Imaging, IEEE Transactions on

Imaging methods applied to living organisms with emphasis on innovative approaches that use emerging technologies supported by rigorous physical and mathematical analysis and quantitative evaluation of performance.


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Most published Xplore authors for Arteriosclerosis

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Xplore Articles related to Arteriosclerosis

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Second derivative of photoplethysmogram in estimating vascular aging among diabetic patients

2009 International Conference for Technical Postgraduates (TECHPOS), 2009

Type 2 diabetes is one of the major risk factor for microvascular and coronary artery disease(CAD). Therefore, recurrent monitoring of arterial condition is essential. The photoplethysmogram (PPG) technique is a simple and cost effective technique in measuring blood volume change. Second derivative of photoplethysmogram (SDPPG) which is one of the applications of PPG was used for monitoring the arterial condition. ...


Motion-compensated iterative sparse data reconstruction for interventional 3-D coronary artery imaging

2008 IEEE Nuclear Science Symposium Conference Record, 2008

Three-dimensional (3-D) reconstruction of the coronary arteries from a rotational X-ray angiography sequence can support diagnosis of coronary artery disease, treatment planning, and intervention guidance during catheter interventions. 3-D reconstruction enables quantitative vessel analysis, including vessel dynamics from a time-series of reconstructions. This contribution presents a method for reconstructing coronary arteries with high contrast and high level of detail. It ...


SPECT gated blood pool imaging-potentials and problems

Computers in Cardiology 1994, 1994

In recent years, the use of single photon emission computed tomography (SPECT) has been proposed for gated blood pool scans in order to assess left ventricular function. By constructing a beating heart phantom, the authors confined that SPECT may be superior to planar imaging for visual assessment of wall motion defects. Further, in data from five patients with coronary artery ...


Dynamic QT-RR relationships in 12 lead ECG in patients with coronary artery disease

Computers in Cardiology 2000. Vol.27 (Cat. 00CH37163), 2000

A computerized system for the measurement of beat to beat QT-RR intervals over a 12 leads ECG system was developed to study the dynamic change of QT interval as a function of the RR interval. The system was evaluated on 12-leads ECG recordings during the exercise and recovery phases of a treadmill exercise test from two groups of male subjects: ...


Automatic detection of hilum and parenchymal bands on HRCT lung images

IEEE Conference on Cybernetics and Intelligent Systems, 2004., 2004

High-resolution computed tomography (HRCT) images have been found to be more sensitive than chest radiographs and conventional CT in diffuse lung disease diagnosis. Parenchymal bands are a type of reticular opacity commonly seen in patients with asbestosis. We have developed automated techniques to detect parenchymal bands on HRCT images of the lung that can help reduce the amount of data ...


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Educational Resources on Arteriosclerosis

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IEEE.tv Videos

No IEEE.tv Videos are currently tagged "Arteriosclerosis"

IEEE-USA E-Books

  • Second derivative of photoplethysmogram in estimating vascular aging among diabetic patients

    Type 2 diabetes is one of the major risk factor for microvascular and coronary artery disease(CAD). Therefore, recurrent monitoring of arterial condition is essential. The photoplethysmogram (PPG) technique is a simple and cost effective technique in measuring blood volume change. Second derivative of photoplethysmogram (SDPPG) which is one of the applications of PPG was used for monitoring the arterial condition. Informal method SDPPG which substitutes the formal SDPPG aging index (SDPPG-AI) has been selected as an appropriate method to be applied. Test on twenty-three diabetic patients showed higher index of vascular aging compared to healthy subject.

  • Motion-compensated iterative sparse data reconstruction for interventional 3-D coronary artery imaging

    Three-dimensional (3-D) reconstruction of the coronary arteries from a rotational X-ray angiography sequence can support diagnosis of coronary artery disease, treatment planning, and intervention guidance during catheter interventions. 3-D reconstruction enables quantitative vessel analysis, including vessel dynamics from a time-series of reconstructions. This contribution presents a method for reconstructing coronary arteries with high contrast and high level of detail. It employs an iterative reconstruction algorithm in combination with projection-based motion compensation. An efficient implementation using a graphics processing unit delivers reconstruction times close to clinically acceptable values. Reconstructions from clinical human cases, acquired on an interventional C-arm system, are presented. Excellent image quality is achieved.

  • SPECT gated blood pool imaging-potentials and problems

    In recent years, the use of single photon emission computed tomography (SPECT) has been proposed for gated blood pool scans in order to assess left ventricular function. By constructing a beating heart phantom, the authors confined that SPECT may be superior to planar imaging for visual assessment of wall motion defects. Further, in data from five patients with coronary artery disease, a correlation was found between quantitative measures of heart wall defects from SPECT gated blood pool images and the magnitude of PET blood flow defects. Finally, the authors investigated the effects of statistical noise, background and attenuation on ejection fraction and amplitude calculations from SPECT slices. Statistical noise and background were found to produce very small effects while attenuation had a small but measurable effect on the amplitude map and no effect on ejection fraction.<<ETX>>

  • Dynamic QT-RR relationships in 12 lead ECG in patients with coronary artery disease

    A computerized system for the measurement of beat to beat QT-RR intervals over a 12 leads ECG system was developed to study the dynamic change of QT interval as a function of the RR interval. The system was evaluated on 12-leads ECG recordings during the exercise and recovery phases of a treadmill exercise test from two groups of male subjects: 15 coronary arteries disease (CAD) patients and 15 healthy Israeli Air Force pilots. It was found that the relationship between the RR and QT intervals during the complete cycle of the exercise test shows different patterns of hysteresis behavior for the healthy subjects and CAD patients. In conclusion, the present study combined engineering work with an important medical application and shows that using beat-to-beat QT-RR measurements during the exercise test may contribute to identifying patients with CAD. The computerized system developed provides an accurate tool for measuring the dynamic behavior of the QT-RR relationship that can be used for testing drug treatment and effects of other interventions for cardiac disorders and arrhythmia risk.

  • Automatic detection of hilum and parenchymal bands on HRCT lung images

    High-resolution computed tomography (HRCT) images have been found to be more sensitive than chest radiographs and conventional CT in diffuse lung disease diagnosis. Parenchymal bands are a type of reticular opacity commonly seen in patients with asbestosis. We have developed automated techniques to detect parenchymal bands on HRCT images of the lung that can help reduce the amount of data radiologists must process to arrive at a diagnosis. This technique also includes detection of the hilum an anatomical landmark, which is essential to parenchymal band detection. Preliminary results are presented

  • Comparing image detection algorithms using resampling

    The ability to statistically compare the performance of two computer detection (CD) or computer-aided detection (CAD) algorithms is fundamental for the development and evaluation of medical image analysis tools. Automated detection tools for medical imaging are commonly characterized using free- response receiver operating characteristic (FROC) methods. However, few statistical tools are currently available to estimate statistical significance when comparing two FROC performance curves. In this study, we introduce a permutation and a bootstrap resampling method for the nonparametric estimation of statistical significance of performance metrics when comparing two FROC curves. We then provide an initial validation of the proposed methods using an area under the FROC performance metric and a simulation model for creating CD algorithm prompts. Validation is based on a comparison of the Type I error rate produced by two statistically identical CD algorithms. The results of 10<sup>4</sup> Monte Carlo trials show that both the permutation and bootstrap methods produced excellent estimates of the expected Type I error rate

  • Prediction of coronary artery disease progression in human from numerically determined endothelial shear stress

    Using a technique in which intravascular ultrasound images are fused with two planes of angiography, blood flow is measured, and the Navier Stokes equations are solved in 3 dimensions, we have studied the remodeling characteristic of 55 human coronary arteries and the relationship of endothelial shear stress (ESS) to remodeling and plaque progression in 13 human arteries. Results indicate that the remodeling characteristics of 87% of coronaries with minimal luminal narrowing are constant along the length of the artery: 60% percent demonstrate compensatory remodeling; 19% exhibit under-remodeling (consistent with stable CAD) and 21% exhibit excessive remodeling (consistent with unstable syndromes). Serial studies show that plaque progresses almost exclusively in regions of low ESS (&lt;12 dyne/cm<sup>2</sup>). This suggests a new paradigm that focuses on segments with low ESS, treating those with excessive remodeling as being at risk for unstable syndromes and those with inadequate remodeling as being at risk for stable CAD

  • 2F-2 Annular CMUT Arrays for Side Looking Intravascular Ultrasound Imaging

    Although side looking intravascular ultrasound (SL-IVUS) imaging systems using single element piezoelectric transducers set the resolution standard in the assessment of the extent of coronary artery disease, improvements in transducer performance are needed to perform harmonic imaging and high resolution imaging of vulnerable plaque. With their small channel count, annular arrays exploiting the inherent broad bandwidth of CMUTs and electronic focusing capability of integrated electronics provide a path for desired SL- IVUS imaging catheters. In this paper, we first describe the design, low temperature fabrication of an 840 mum diameter, 8 element CMUT annular array. Testing of the individual elements in oil shows a uniform device behavior with 100% fractional bandwidth around 20 MHz without including the effects of attenuation and diffraction. We also present linear scan imaging results obtained on wire targets in oil, tissue and tissue mimicking phantoms using both unfocused and dynamically focused transducers. The results for axial and lateral resolution are in agreement predicted by the simulations and show the feasibility of this approach for high resolution SL-IVUS imaging.

  • Evaluation of three different kinetic models for use with myocardial perfusion MRI data

    Coronary artery disease (CAD), a leading cause of death in the US and worldwide, can be effectively diagnosed and assessed using non-invasive myocardial perfusion MRI. Tracer kinetic models play a crucial role in the analysis and quantification of perfusion. In this work, we evaluate the performance of 3 different kinetic models used to analyze perfusion: (a) a modified 2-compartment model (b) the Johnson-Wilson (JW) model and (c) a modified JW model. We hypothesized that three different models would give statistically different results and that the modified JW model would be better than the other two because it would most closely model the underlying physiological processes. Results indicate that the models are statistically different from each other but the 2-compartment model is more stable than both models (b) and (c) and that the modified JW model is the most sensitive to ischemia as compared to the others.

  • Improving oral medication compliance with an electronic aid

    Demographic trends indicate that populations in the U.S., Europe, and Japan are aging rapidly. As people age, they will seek more health-care services and ingest more oral medications. Poor compliance in taking medications is especially problematic in the elderly because of the changes in their metabolism, cognitive skills, and physical abilities. Simple devices, special packaging, and physical aids, while offering some improvement, do not appear able to answer this challenge. Drawbacks to such mechanical devices include their inability to accommodate multiple medications, their inability to remind patients when to take their medications, their inability to be easily reprogrammed for different dosage regimens, and their higher packaging costs. Electronic medication compliance dispensers, such as the MedMinder, appear to address many of these issues, but their true utility awaits definitive results from further development and clinical field trials.



Standards related to Arteriosclerosis

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Jobs related to Arteriosclerosis

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