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https://www.readbyqxmd.com/read/28231346/in-vitro-three-dimensional-accuracy-of-digital-implant-impressions-the-effect-of-implant-angulation
#1
Vanessa A Chia, Roxanna J Esguerra, Khim Hean Teoh, Juin Wei Teo, Keng Mun Wong, Keson B Tan
PURPOSE: To compare the three-dimensional (3D) accuracy of conventional impressions (CIs) with digital scans (DSs) using an intraoral scanner (IOS) with intraoral scan bodies (SBs) and varying buccolingual interimplant angulations. A secondary aim was to measure the SB machining tolerance and height with and without application of torque. MATERIALS AND METHODS: Three master models (MMs) with two implants simulating an implant-supported three-unit fixed partial denture for bone-level implants were used...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28231149/microalgae-nutraceuticals
#2
REVIEW
Marcello Nicoletti
Among the new entries in the food supplements sector, an important place must be assigned to nutraceuticals containing microalgae, nowadays accounting for a large and rapidly expanding market. The marketed products are mainly based on three production strains, i.e., Spirulina and Chlorella, followed at a distance by Klamath. It is a composite situation, since two of them are cyanobacteria and the second one is eukaryotic. The reality is that each presents similarities in shape and appearance concerning the marketed form and several utilizations, and peculiarities that need special attention and adequate studies...
August 22, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230438/the-influence-of-placements-on-adult-nursing-graduates-choice-of-first-post
#3
Mark Wareing, Renate Taylor, Aileen Wilson, Adrienne Sharples
BACKGROUND: This article presents findings from a study that sought to explore the extent to which clinical placements have an impact on nursing students' decisions regarding their first staff nurse post. Within the UK, nursing is facing a recruitment crisis with particular difficulty recruiting to areas such as primary care and care of older people. Transitioning into a new role is challenging in any occupation, but it is a particular problem in nursing where the realities of professional practice often differ from students' perception of the staff nurse role as shaped by their clinical placements...
February 23, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28229827/anti-la-positive-anti-ro-negative-subset-of-primary-sj%C3%A3-gren-s-syndrome-anti-la-is-a-reality-but-is-the-disease
#4
Debashish Danda, Rohan Sharma, Dat Truong, Kristi A Koelsch, Biji T Kurien, Harini Bagavant, Umesh Deshmukh, C Erick Kaufman, David M Lewis, Donald U Stone, Lida Radfar, Astrid Rasmussen, Kathy L Sivils, Robert H Scofield
OBJECTIVES: To characterise the serological and clinical findings in primary Sjögren's syndrome in which anti-La was found without anti-Ro. We hypothesised that a significant portion of these are falsely negative for anti-Ro60. METHODS: Twenty-nine sera from primary Sjögren's syndrome patients were tested for antibodies directed against La and Ro. Anti-La was detected using bovine La treated with or without DNAase and RNAase to identify potential false positivity...
February 20, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229487/the-mourning-process-of-older-people-with-dementia-who-lost-their-spouse
#5
Akiko Watanabe, Sayuri Suwa
AIMS: To explore the mourning process of people with dementia who have lost their spouse, using family caregivers' and professionals' perspectives and to devise grief care for people with dementia. BACKGROUND: There have been studies on the loss of one's spouse; however, little is known about widows and widowers with dementia as they may find it hard to tell their perception and feelings to others accurately because of cognitive impairment. DESIGN: Qualitative descriptive study using semi-structured interviews...
February 22, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28228841/an-update-on-the-management-of-breast-cancer-in-africa
#6
REVIEW
V Vanderpuye, S Grover, N Hammad, PoojaPrabhakar, H Simonds, F Olopade, D C Stefan
BACKGROUND: There is limited information about the challenges of cancer management and attempts at improving outcomes in Africa. Even though South and North Africa are better resourceds to tackle the burden of breast cancer, similar poor prognostic factors are common to all countries. The five-year overall Survival rate for breast cancer patients does not exceed 60% for any low and middle-income country (LMIC) in Africa. In spite of the gains achieved over the past decade, certain characteristics remain the same such as limited availability of breast conservation therapies, inadequate access to drugs, few oncology specialists and adherence to harmful socio-cultural practices...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28228457/impact-of-workplace-physical-activity-interventions-on-physical-activity-and-cardiometabolic-health-among-working-age-women-a-systematic-review-and-meta-analysis
#7
Jennifer L Reed, Stephanie A Prince, Cara G Elliott, Kerri-Anne Mullen, Heather E Tulloch, Swapnil Hiremath, Lisa M Cotie, Andrew L Pipe, Robert D Reid
BACKGROUND: Cardiovascular disease is the leading cause of death among women in high-income Organization for Economic Co-operation and Development countries. Physical activity is protective for cardiovascular disease. The realities of modern life require working-age women to address work-related, family, and social demands. Few working-age women meet current moderate-to-vigorous-intensity physical activity (MVPA) recommendations. Given that working-age women spend a substantial proportion of their waking hours at work, places of employment may be an opportune and a controlled setting to implement programs, improving MVPA levels and enhancing cardiometabolic health...
February 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28228341/doctors-and-nurses-perceptions-of-military-pre-hospital-emergency-care-when-training-becomes-reality
#8
REVIEW
Sten-Ove Andersson, Lars Lundberg, Anders Jonsson, Pia Tingström, Madeleine Abrandt Dahlgren
The aim of this study was to identify physicians' and nurses' perceptions of military pre-hospital emergency care before and after an international mission. A qualitative empirical study with a phenomenographic approach was used. The results after pre-deployment training can be categorised as (1) learning about military medicine and (2) taking care of the casualty. The results after an international mission can be categorised as (1) collaborating with others, (2) providing general health care and (3) improving competence in military medicine...
February 19, 2017: International Emergency Nursing
https://www.readbyqxmd.com/read/28228102/influence-of-pok%C3%A3-mon-go-on-physical-activity-levels-of-university-players-a-cross-sectional-study
#9
Fiona Y Wong
BACKGROUND: The prevalence of overweight is increasing and the effectiveness of various weight management and exercise programs varied. An augmented reality smartphone game, Pokémon Go, appears to increase activity levels of players. This study assessed the players and ex-players' frequencies and durations of staying outdoors, and walking/jogging before and during the time they played Pokémon Go, evaluated the physical activity levels of players, ex-players and non-players, and investigated the potential factors which determined their play statuses...
February 22, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28227840/virtual-reality-for-pediatric-neuro-rehabilitation-adaptive-visual-feedback-of-movement-to-engage-the-mirror-neuron-system
#10
Roopeswar Kommalapati, Konstantinos P Michmizos, Roopeswar Kommalapati, Konstantinos P Michmizos, Roopeswar Kommalapati, Konstantinos P Michmizos
Sensorimotor therapy gives optimal results when patients are cognitively engaged into highly repetitive tasks, a goal that most children find hard to pursue. This paper presents the key developments of our ongoing effort to design an interactive rehabilitation environment that motivates physically impaired children throughout their therapy. The continuous motivation is achieved by the system adapting fundamental therapeutic components to the performance of each child. The relevant movement is mirrored to an animated character projected in front of the child...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227744/classification-of-non-weight-bearing-lower-limb-movements-towards-a-potential-treatment-for-phantom-limb-pain-based-on-myoelectric-pattern-recognition
#11
Eva Lendaro, Max Ortiz-Catalan, Eva Lendaro, Max Ortiz-Catalan, Max Ortiz-Catalan, Eva Lendaro
Research in myoelectric pattern recognition (MPR) for the prediction of motor volition has primarily focused on the upper limbs. Recent studies in the lower limbs have mainly concentrated on prosthetic control, while MPR for lower limb rehabilitation purposes has received little attention. In this work we investigated the viability of a MPR system for the prediction of four degrees of freedom controlled in a near natural or physiologically appropriate fashion. We explored three different electrode configurations for acquiring electromyographic (EMG) signals: two targeted (bipolar and monopolar) and one untargeted (electrodes equally spaced axially)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227684/a-novel-wireless-wearable-fluorescence-image-guided-surgery-system
#12
Kunshan He, Yamin Mao, Jinzuo Ye, Yu An, Shixin Jiang, Chongwei Chi, Jie Tian, Kunshan He, Yamin Mao, Jinzuo Ye, Yu An, Shixin Jiang, Chongwei Chi, Jie Tian, Shixin Jiang, Jinzuo Ye, Kunshan He, Chongwei Chi, Jie Tian, Yamin Mao, Yu An
Segmentectomy using indocyanine green (ICG) has become a primary treatment option to achieve a complete resection and preserve lung function in early-stage lung cancer. However, owing to a lack of appropriate intraoperative imaging systems, it is a huge challenge for surgeons to identify the intersegmental plane during the operation, leading to poor prognosis. Thus, we developed a novel wireless wearable fluorescence image-guided surgery system (LIGHTEN) for fast and accurate identification of intersegmental planes in human patients...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227679/wildcard-a-wearable-virtual-reality-storytelling-tool-for-children-with-intellectual-developmental-disability
#13
Mirko Gelsomini, Franca Garzotto, Daniele Montesano, Daniele Occhiuto, Mirko Gelsomini, Franca Garzotto, Daniele Montesano, Daniele Occhiuto, Daniele Montesano, Franca Garzotto, Mirko Gelsomini, Daniele Occhiuto
Our research aims at supporting existing therapies for children with intellectual and developmental disorders (IDD). The personal and social autonomy is the desired end state to be achieved to enable a smooth integration in the real world. We developed and tested a framework for storytelling and learning activities that exploits an immersive virtual reality viewer to interact with target users. We co-designed our system with experts from the medical sector, identifying features that allow patients to stay focused on exercises to perform...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227666/advanced-sensors-placement-for-accurate-3d-needle-shape-reconstruction
#14
Pierre-Loup Schaefer, Gregory Chagnon, Alexandre Moreau-Gaudry, Pierre-Loup Schaefer, Gregory Chagnon, Alexandre Moreau-Gaudry, Pierre-Loup Schaefer, Alexandre Moreau-Gaudry, Gregory Chagnon
Needles are tools widely used in minimally invasive surgery. During such procedures the localization of the needle and its tip is a challenging situation because of the needle deformations due to its interactions with tissues. To tackle this problem, instrumented needles with sensors have been currently developed to allow needle reconstruction and tip localization. In conventional surgery this difficulty is overcome by medical imaging. The interest in using an instrumented needle resides in the possible dispense of medical imaging...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227602/development-of-high-impedance-measurement-system-for-water-leakage-detection-in-implantable-neuroprosthetic-devices
#15
Aziz Yousif, Shawn K Kelly, Aziz Yousif, Shawn K Kelly, Shawn K Kelly, Aziz Yousif
There has been a push for a greater number of channels in implantable neuroprosthetic devices; but, that number has largely been limited by current hermetic packaging technology. Microfabricated packaging is becoming reality, but a standard testing system is needed to prepare these devices for clinical trials. Impedance measurements of electrodes built into the packaging layers may give an early warning of device failure and predict device lifetime. Because the impedance magnitudes of such devices can be on the order of gigaohms, a versatile system was designed to accommodate ultra-high impedances and allow future integrated circuit implementation in current neural prosthetic technologies...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227490/telemedicine-with-mobile-devices-and-augmented-reality-for-early-postoperative-care
#16
Brent A Ponce, Eugene W Brabston, Shin Zu, Shawna L Watson, Dustin Baker, Dennis Winn, Barton L Guthrie, Mahesh B Shenai, Brent A Ponce, Eugene W Brabston, Shin Zu, Shawna L Watson, Dustin Baker, Dennis Winn, Barton L Guthrie, Mahesh B Shenai, Brent A Ponce, Eugene W Brabston, Dustin Baker, Dennis Winn, Shawna L Watson, Barton L Guthrie, Mahesh B Shenai, Shin Zu
Advanced features are being added to telemedicine paradigms to enhance usability and usefulness. Virtual Interactive Presence (VIP) is a technology that allows a surgeon and patient to interact in a "merged reality" space, to facilitate both verbal, visual, and manual interaction. In this clinical study, a mobile VIP iOS application was introduced into routine post-operative orthopedic and neurosurgical care. Survey responses endorse the usefulness of this tool, as it relates to The virtual interaction provides needed virtual follow-up in instances where in-person follow-up may be limited, and enhances the subjective patient experience...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227485/augmented-reality-for-breast-tumors-visualization
#17
Mohammad Ali Ghaderi, Mehrdad Heydarzadeh, Mehrdad Nourani, Gopal Gupta, Lakshman Tamil, Mohammad Ali Ghaderi, Mehrdad Heydarzadeh, Mehrdad Nourani, Gopal Gupta, Lakshman Tamil, Gopal Gupta, Mehrdad Heydarzadeh, Lakshman Tamil, Mehrdad Nourani
3D visualization of breast tumors are shown to be effective by previous studies. In this paper, we introduce a new augmented reality application that can help doctors and surgeons to have a more accurate visualization of breast tumors; this system uses a marker-based image-processing technique to render a 3D model of the tumors on the body. The model can be created using a combination of breast 3D mammography by experts. We have tested the system using an Android smartphone and a head-mounted device. This proof of concept can be useful for oncologists to have a more effective screening, and surgeons to plan the surgery...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227377/real-time-tracking-of-laparoscopic-instruments-using-kinect-for-training-in-virtual-reality
#18
Mohammadhasan Owlia, Mostafa Khabbazan, M M Mirbagheri, Alireza Mirbagheri, Mohammadhasan Owlia, Mostafa Khabbazan, M M Mirbagheri, Alireza Mirbagheri, Mostafa Khabbazan, M M Mirbagheri, Alireza Mirbagheri, Mohammadhasan Owlia
Training of laparoscopic surgery in Virtual Reality (VR) environment has been proved as an effective step before clinical practice. Tracking the position of instruments in realtime is an essential part of developing a VR trainer. In this study, we used Microsoft Kinect and color markers instead of using similar traditional means such as mechanical sensors. The orientation and position of instruments were determined and compared with the results obtained using the SinaSim commercial laparoscopic surgery trainer, which measures these values using encoders...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226978/improving-clinical-models-based-on-knowledge-extracted-from-current-datasets-a-new-approach
#19
D Mendes, S Paredes, T Rocha, P Carvalho, J Henriques, J Morais, D Mendes, S Paredes, T Rocha, P Carvalho, J Henriques, J Morais, D Mendes, T Rocha, P Carvalho, J Morais, S Paredes, J Henriques
The Cardiovascular Diseases (CVD) are the leading cause of death in the world, being prevention recognized to be a key intervention able to contradict this reality. In this context, although there are several models and scores currently used in clinical practice to assess the risk of a new cardiovascular event, they present some limitations. The goal of this paper is to improve the CVD risk prediction taking into account the current models as well as information extracted from real and recent datasets. This approach is based on a decision tree scheme in order to assure the clinical interpretability of the model...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226951/generating-physically-realistic-kinematic-and-dynamic-models-from-small-data-sets-an-application-for-sit-to-stand-actions
#20
Robert Peter Matthew, Victor Shia, Gentiane Venture, Ruzena Bajcsy, Robert Peter Matthew, Victor Shia, Gentiane Venture, Ruzena Bajcsy, Robert Peter Matthew, Gentiane Venture, Victor Shia, Ruzena Bajcsy
Kinematic and dynamic models are used to create simplified, yet accurate representations of reality. In application to biological systems, there is often a choice on what level of complexity is appropriate for the model. This paper introduces a structured method for obtaining an accurate model that can represent the sit-to-stand motion and reproduce the associated contact forces in the standing phase. These models are generated from small datasets, just five measured sit-to-stand actions, and result in simple, physically realisable dynamic models...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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