Osteoarthritis

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Osteoarthritis (OA) also known as degenerative arthritis or degenerative joint disease, is a group of mechanical abnormalities involving degradation of joints, including articular cartilage and subchondral bone. Symptoms may include joint pain, tenderness, stiffness, locking, and sometimes an effusion. (Wikipedia.org)






Conferences related to Osteoarthritis

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2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.


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 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Science, technology and applications spanning the millimeter-waves, terahertz and infrared spectral regions


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 28th International Symposium on Industrial Electronics (ISIE)

The conference will provide a forum for discussions and presentations of advancements inknowledge, new methods and technologies relevant to industrial electronics, along with their applications and future developments.


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Periodicals related to Osteoarthritis

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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.


Computing in Science & Engineering

Physics, medicine, astronomy—these and other hard sciences share a common need for efficient algorithms, system software, and computer architecture to address large computational problems. And yet, useful advances in computational techniques that could benefit many researchers are rarely shared. To meet that need, Computing in Science & Engineering (CiSE) presents scientific and computational contributions in a clear and accessible format. ...


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.


Information Technology in Biomedicine, IEEE Transactions on

Telemedicine, teleradiology, telepathology, telemonitoring, telediagnostics, 3D animations in health care, health information networks, clinical information systems, virtual reality applications in medicine, broadband technologies, and global information infrastructure design for health care.


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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Xplore Articles related to Osteoarthritis

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Terahertz pulsed imaging of osteoarthritis

2008 5th International Summer School and Symposium on Medical Devices and Biosensors, 2008

Osteoarthritis (OA) is a common form of arthritis caused by the breakdown of cartilage. A non-destructive approach is needed for quantitative diagnosis of OA. Here, we demonstrate how terahertz image data can be processed to reveal structural information about sample containing OA.


Exploration of Imaging Method of Degenerate Articular Cartilage Based on EPIC Micro-CT

2012 International Conference on Biomedical Engineering and Biotechnology, 2012

This study explored appropriate method for imaging and detecting early degenerate articular cartilage based on contrast-enhanced Micro-CT. 12 normal articular cartilage samples were prepared from bovine knee. They were immersed in PBS dilutions with specified concentration (20%, 30% and 40% the ionic Meglumine diatrizoate) at 37 °C, and were scanned by the Micro-CT every two hours respectively. Another 6 cartilage ...


A Video-Based User Interface for People with Disabilities of the Fingers

2009 International Association of Computer Science and Information Technology - Spring Conference, 2009

Design of a video-based user interface using image processing for people with disabilities of the fingers, such as rheumatism and osteoarthritis, is implemented in this paper. This user interface is simply composed of a CCD camera and a PC, and allows users to manipulate the PC using small movements of single finger. The finger is appropriately detected in the images ...


Imaging of osteoarthritic cartilage with optical coherence tomography: micron-structure and polarization sensitivity

Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Edition. CLEO '99. Conference on Lasers and Electro-Optics (IEEE Cat. No.99CH37013), 1999

Summary form only given. Osteoarthritis is a leading cause of debilitation world wide. It results when degeneration occurs of joint cartilage. Recently, techniques have become available to slow or arrest cartilage degeneration at early stages. Since the cartilage surface is only a few millimeters in thickness, a method of high-resolution imaging is needed to diagnose the early cartilage abnormalities and ...


Erratum to "Design of patient-specific gait modifications for knee osteoarthritis rehabilitation"

IEEE Transactions on Biomedical Engineering, 2007

On page 1687 of the September 2007 issue, the title of the above-named article, as well as the title on the running head, the word "Rehabilitation" was misspelled as "Rhabilitation." The correct title should be "Design of Patient-Specific Gait Modifications for Knee Osteoarthritis Rehabilitation."


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Educational Resources on Osteoarthritis

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IEEE.tv Videos

No IEEE.tv Videos are currently tagged "Osteoarthritis"

IEEE-USA E-Books

  • Terahertz pulsed imaging of osteoarthritis

    Osteoarthritis (OA) is a common form of arthritis caused by the breakdown of cartilage. A non-destructive approach is needed for quantitative diagnosis of OA. Here, we demonstrate how terahertz image data can be processed to reveal structural information about sample containing OA.

  • Exploration of Imaging Method of Degenerate Articular Cartilage Based on EPIC Micro-CT

    This study explored appropriate method for imaging and detecting early degenerate articular cartilage based on contrast-enhanced Micro-CT. 12 normal articular cartilage samples were prepared from bovine knee. They were immersed in PBS dilutions with specified concentration (20%, 30% and 40% the ionic Meglumine diatrizoate) at 37 °C, and were scanned by the Micro-CT every two hours respectively. Another 6 cartilage samples were digested by trypsin and scanned by contrast-enhanced Micro-CT. For all the AC samples, the X-ray attenuation coefficient of each group reached balance after incubated for 4h in the contrast agent solution. The Micro-CT scanning results showed that the composition and structure of cartilage samples treated with 20% were easier to observe. As the degradation time increased, the degradation degree increased. Under the water bath at 37 °C, the samples can be well imaged via Micro-CT after incubated for more than 4h in 20% contrast agent concentration. It was effective to detect the early degradation by imaging the digested cartilage samples with contrast-enhanced Micro-CT.

  • A Video-Based User Interface for People with Disabilities of the Fingers

    Design of a video-based user interface using image processing for people with disabilities of the fingers, such as rheumatism and osteoarthritis, is implemented in this paper. This user interface is simply composed of a CCD camera and a PC, and allows users to manipulate the PC using small movements of single finger. The finger is appropriately detected in the images from the CCD camera using image processing techniques. Control boxes for pointing and character input functions are also made. To verify the usability of the interface, some tasks such as clicking, dragging, maze, and character input tasks are experimentally performed by a healthy subject. It is clear from the experimental results that he could smoothly perform clicking and dragging actions, and that he could directly input sentences in Microsoft Word without any difficulty.

  • Imaging of osteoarthritic cartilage with optical coherence tomography: micron-structure and polarization sensitivity

    Summary form only given. Osteoarthritis is a leading cause of debilitation world wide. It results when degeneration occurs of joint cartilage. Recently, techniques have become available to slow or arrest cartilage degeneration at early stages. Since the cartilage surface is only a few millimeters in thickness, a method of high-resolution imaging is needed to diagnose the early cartilage abnormalities and monitor the effectiveness of therapy. Preliminary work has demonstrated the feasibility for optical coherence tomography (OCT) in assessing joint cartilage. In this study, we use single detector, polarization sensitive OCT as an adjunct to structural imaging. In addition, we demonstrate the high-speed in vivo OCT imaging system.

  • Erratum to "Design of patient-specific gait modifications for knee osteoarthritis rehabilitation"

    On page 1687 of the September 2007 issue, the title of the above-named article, as well as the title on the running head, the word "Rehabilitation" was misspelled as "Rhabilitation." The correct title should be "Design of Patient-Specific Gait Modifications for Knee Osteoarthritis Rehabilitation."

  • Development of tissue engineered meniscal cartilage implants

    The vast majority of meniscal lesions are currently treated via partial meniscectomy which predisposes the individual to early osteoarthritis. We are currently developing tissue engineered implants that may be utilised in the future to replace the tissue resected during meniscectomy, restoring meniscal function and inhibiting post-meniscectomy arthritis. Meniscal fibrochondrocytes were isolated and expanded in monolayer culture. The cells were then seeded onto bioresorbable poly lactic acid (PLA) and poly glycolic acid (PGA) scaffold materials. The seeded scaffolds were then cultured in various bioreactor systems to assess the effect of the polymer type and the different bioreactor fluid dynamics on tissue growth. We are growing meniscal shaped implants and currently testing the ability of the tissue engineered material to stimulate repair of meniscal defects in vivo.

  • Differentiating Healthy Cartilage and Damaged Cartilage Using Magnetic Resonance Images in a Quantitative Manner

    This paper presents a study that performs a statistical analysis of signal intensities of the cartilage using magnetic resonance images. The aim of the study is to investigate whether it is possible to differentiate cartilage that is normal and cartilage that has damage/lesions in a quantitative manner. Because damaged cartilage tends to have abnormally high signal intensities than that of normal cartilage in fast spin echo proton density weighted (PD) images, we hypothesize that there is a relationship between the signal intensities of the cartilage and the size of the damaged cartilage presence. Twelve MR data sets with different degrees of cartilage damage and five data sets of normal cartilage were used in this study. Femoral articular cartilage was manually segmented using PD images and the MR signal intensities of the cartilage were analyzed. Results show that there is a linear relationship between the difference in mean and median of the cartilage signals (mean- median) and the percentage of damaged cartilage presence (R<sup>2</sup> = 0.799, p &lt;; 0.01). The results also showed that when the cartilage has minor or no damage, the sign of the mean-median tends to be negative whereas when the cartilage has greater degree of damage, the sign of the mean-median tends to be positive. This preliminary result suggests that there could be significant relationship between these parameters which can be exploited to quantitatively differentiate cartilage that is normal and cartilage that has damage after segmentation has been performed.

  • Automatic Initialization of 3D Deformable Models for Cartilage Segmentation

    Deformable models are a highly accurate and flexible approach to segmenting structures in medical images. The primary drawback of deformable models is that they are sensitive to initialisation, with accurate and robust results often requiring initialisation close to the true object in the image. Automatically obtaining a good initialisation is problematic for many structures in the body. The cartilages of the knee are a thin elastic material that cover the ends of the bone, absorbing shock and allowing smooth movement. The degeneration of these cartilages characterize the progression of osteoarthritis. The state of the art in the segmentation of the cartilage are 2D semi-automated algorithms. These algorithms require significant time and supervison by a clinical expert, so the development of an automatic segmentation algorithm for the cartilages is an important clinical goal. In this paper we present an approach towards this goal that allows us to automatically providing a good initialisation for deformable models of the patella cartilage, by utilising the strong spatial relationship of the cartilage to the underlying bone.

  • Pilot clinical studies of long duration, low intensity therapeutic ultrasound for osteoarthritis

    Osteoarthritis is one of the leading causes of disability in the aging population. Long duration, low intensity therapeutic ultrasound has had promising impact in animal models to slow the progression of the disease and provide joint relief. Two pilot studies were conducted using a novel, wearable platform for delivering ultrasound to evaluate the potential clinical benefits of ultrasound therapy on knee osteoarthritis. There was a pain reduction effect from using ultrasound, as high as fifty two percent in one study. As well, initial data demonstrates that mobility may be increased for patients experiencing mild to moderate arthritis of the knee.

  • Near infrared spectroscopic evaluation of water in hyaline cartilage

    Articular cartilage is avascular and has limited capacity for repair. In diseased conditions such as osteoarthritis, there is an increase in water content from the average normal of 60-85% to greater than 90%. As cartilage has very little capability for self-repair, methods of early detection of degeneration are required, and assessment of water could prove to be a useful diagnostic method. Non-destructive near infrared spectroscopy is extremely sensitive to the chemical composition and molecular structure of tissues and could prove to be a useful method for early diagnosis of cartilage degeneration. The hypothesis that NIR spectra can be used to assess water content in cartilage was investigated in the current study.



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