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https://www.readbyqxmd.com/read/28102948/use-of-parallel-plate-ionization-chambers-in-reference-dosimetry-of-novac-and-liac-%C3%A2-mobile-electron-linear-accelerators-for-intraoperative-radiotherapy-a-multi-center-survey
#1
Paolo Scalchi, Alessia Ciccotelli, Giuseppe Felici, Assunta Petrucci, Raffaella Massafra, Valeria Piazzi, Paola D'Avenia, Francesca Cavagnetto, Federica Cattani, Raffaella Romagnoli, Antonella Soriani
PURPOSE: LIAC(®) and NOVAC are two mobile linear accelerators dedicated to intraoperative radiation therapy (IORT), generating electron beams in the energy range of 3-12 MeV. Due to high dose-per-pulse (up to 70 mGy per pulse), in 2003 the Italian National Institute of Health (ISS) stated that "for the measure of dose to water in reference conditions, ionization chambers cannot be employed and no published dosimetry protocol can be used". As a consequence, ferrous sulphate (or, alternatively alanine) dosimetry was recommended...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102899/b-type-natriuretic-peptide-guided-treatment-for-heart-failure
#2
REVIEW
Julie McLellan, Carl J Heneghan, Rafael Perera, Alison M Clements, Paul P Glasziou, Karen E Kearley, Nicola Pidduck, Nia W Roberts, Sally Tyndel, F Lucy Wright, Clare Bankhead
BACKGROUND: Heart failure is a condition in which the heart does not pump enough blood to meet all the needs of the body. Symptoms of heart failure include breathlessness, fatigue and fluid retention. Outcomes for patients with heart failure are highly variable; however on average, these patients have a poor prognosis. Prognosis can be improved with early diagnosis and appropriate use of medical treatment, use of devices and transplantation. Patients with heart failure are high users of healthcare resources, not only due to drug and device treatments, but due to high costs of hospitalisation care...
December 22, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28101941/key-messages-for-communicating-information-about-brca1-and-brca2-to-women-with-breast-or-ovarian-cancer-consensus-across-health-professionals-and-service-users
#3
Chris Jacobs, Gabriella Pichert, Jackie Harris, Kathy Tucker, Susan Michie
OBJECTIVES: Genetic testing of cancer predisposing genes will increasingly be needed in oncology clinics in order to target cancer treatment. This Delphi study aimed to identify areas of agreement and disagreement between genetics and oncology health professionals and service users about the key messages required by women with breast/ovarian cancer who undergo BRCA1/BRCA2 genetic testing and the optimal timing of communicating key messages. METHODS: Participants were 16 expert health professionals specialising in oncology/genetics and 16 service users with breast/ovarian cancer and a pathogenic BRCA1/BRCA2 variant...
January 18, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28101922/a-second-type-of-magnitude-effect-reinforcer-magnitude-differentiates-delay-discounting-between-substance-users-and-controls
#4
Alexandra M Mellis, Alina E Woodford, Jeffrey S Stein, Warren K Bickel
Basic research on delay discounting, examining preference for smaller-sooner or larger-later reinforcers, has demonstrated a variety of findings of considerable generality. One of these, the magnitude effect, is the observation that individuals tend to exhibit greater preference for the immediate with smaller magnitude reinforcers. Delay discounting has also proved to be a useful marker of addiction, as demonstrated by the highly replicated finding of greater discounting rates in substance users compared to controls...
January 2017: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/28101813/a-multi-us-city-assessment-of-awareness-and-uptake-of-pre-exposure-prophylaxis-prep-for-hiv-prevention-among-black-men-and-transgender-women-who-have-sex-with-men
#5
Lisa A Eaton, Derrick D Matthews, Daniel D Driffin, Leigh Bukowski, Patrick A Wilson, Ron D Stall
The HIV epidemic among Black men and transgender women who have sex with men (BMTW) demands an urgent public health response. HIV point prevalence among this population ranges from 25 to 43%-a rate far exceeding any other group. Pre-exposure prophylaxis (PrEP) for HIV prevention is a very promising prevention tool; however, its full potential to slow the epidemic has yet to be realized. For the current study, random time-location sampling at Black Gay Pride Events was used to collect data from N = 1274 BMTW, from five US cities, reporting HIV-negative/unknown status...
January 18, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28101559/cannabis-use-in-persons-with-traumatic-spinal-cord-injury-in-denmark
#6
Sven R Andresen, Fin Biering-Sørensen, Ellen Merete Hagen, Jørgen F Nielsen, Flemming W Bach, Nanna B Finnerup
OBJECTIVE: To evaluate recreational and medical cannabis use in individuals with traumatic spinal cord injury, including reasons and predictors for use, perceived benefits and negative consequences. DESIGN: Cross-sectional survey in Denmark. METHODS: A 35-item questionnaire was sent to 1,101 patients with spinal cord injury who had been in contact with a rehabilitation centre between 1990 and 2012. RESULTS: A total of 537 participants completed the questionnaire...
January 18, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28101557/high-incidence-of-falls-and-fall-related-injuries-in-wheelchair-users-with-spinal-cord-injury-a-prospective-study-of-risk-indicators
#7
Emelie Butler Forslund, Vivien Jørgensen, Erika Franzén, Arve Opheim, Åke Seiger, Agneta Ståhle, Claes Hultling, Johan K Stanghelle, Kirsti Skavberg Roaldsen, Kerstin Wahman
OBJECTIVE: To identify risk indicators for, and incidence of, recurrent falls and fall-related injuries in wheelchair users with traumatic spinal cord injury. DESIGN: Prospective multi-centre study. SUBJECTS: One hundred and forty-nine wheelchair users with spinal cord injury attending follow-up in Sweden and Norway. METHODS: Inclusion criteria: wheelchair users ≥ 18 years old with traumatic spinal cord injury ≥ 1 year post-injury...
January 18, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28100828/an-integrated-modelling-framework-for-neural-circuits-with-multiple-neuromodulators
#8
Alok Joshi, Vahab Youssofzadeh, Vinith Vemana, T M McGinnity, Girijesh Prasad, KongFatt Wong-Lin
Neuromodulators are endogenous neurochemicals that regulate biophysical and biochemical processes, which control brain function and behaviour, and are often the targets of neuropharmacological drugs. Neuromodulator effects are generally complex partly owing to the involvement of broad innervation, co-release of neuromodulators, complex intra- and extrasynaptic mechanism, existence of multiple receptor subtypes and high interconnectivity within the brain. In this work, we propose an efficient yet sufficiently realistic computational neural modelling framework to study some of these complex behaviours...
January 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28100440/it-s-about-me-patients-experiences-of-patient-participation-in-the-web-behavior-change-program-for-activity-in-combination-with-multimodal-pain-rehabilitation
#9
Catharina Nordin, Peter Michaelson, Margareta K Eriksson, Gunvor Gard
BACKGROUND: Patients' participation in their health care is recognized as a key component in high-quality health care. Persons with persistent pain are recommended treatments with a cognitive approach from a biopsychosocial explanation of pain, in which a patient's active participation in their rehabilitation is in focus. Web-based interventions for pain management have the potential to increase patient participation by enabling persons to play a more active role in rehabilitation. However, little is known about patients' experiences of patient participation in Web-based interventions in clinical practice...
January 18, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28100289/hepatitis-b-virus-in-drug-users-in-france-prevalence-and-vaccination-history-anrs-coquelicot-survey-2011-2013
#10
C Brouard, J Pillonel, P Sogni, A Chollet, J V Lazarus, X Pascal, F Barin, M Jauffret-Roustide
People who use drugs (PWUD) are a key population for hepatitis B virus (HBV) vaccination and screening. We aimed to estimate the seroprevalence of HBs antigen (HBsAg) and self-reported HBV vaccination history in French PWUD attending harm reduction centres using data from the ANRS-Coquelicot multicentre survey conducted in 2011-2013 in 1718 PWUD. Self-fingerprick blood samples were collected on dried blood spots to detect the presence of HBsAg. HBsAg seroprevalence was estimated at 1·4% [95% confidence interval (CI) 0·8-2·5]...
January 19, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28100249/intraoperative-radiation-therapy-iort-in-soft-tissue-sarcoma
#11
REVIEW
Falk Roeder, Robert Krempien
Soft-tissue sarcoma (STS) represent a rare tumor entity, accounting for less than 1% of adult malignancies. The cornerstone of curative intent treatment is surgery with free margins, although the extent of the surgical approach has been subject to change in the last decades. Multimodal approaches usually including radiation therapy have replaced extensive surgical procedures in order to preserve functionality while maintaining adequate local control. However, the possibility to apply adequate radiation doses by external beam radiation therapy (EBRT) can be limited in some situation especially in case of directly adjacent organs at risk with low radiation tolerance...
January 19, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28100201/developing-a-practice-guideline-for-the-occupational-health-services-by-using-a-community-of-practice-approach-a-process-evaluation-of-the-development-process
#12
Lydia Kwak, Charlotte Wåhlin, Kjerstin Stigmar, Irene Jensen
BACKGROUND: One way to facilitate the translation of research into the occupational health service practice is through clinical practice guidelines. To increase the implementability of guidelines it is important to include the end-users in the development, for example by a community of practice approach. This paper describes the development of an occupational health practice guideline aimed at the management of non-specific low back pain (LBP) by using a community of practice approach...
January 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28099457/comparing-and-evaluating-metagenome-assembly-tools-from-a-microbiologist-s-perspective-not-only-size-matters
#13
John Vollmers, Sandra Wiegand, Anne-Kristin Kaster
With the constant improvement in cost-efficiency and quality of Next Generation Sequencing technologies, shotgun-sequencing approaches -such as metagenomics- have nowadays become the methods of choice for studying and classifying microorganisms from various habitats. The production of data has dramatically increased over the past years and processing and analysis steps are becoming more and more of a bottleneck. Limiting factors are partly the availability of computational resources, but mainly the bioinformatics expertise in establishing and applying appropriate processing and analysis pipelines...
2017: PloS One
https://www.readbyqxmd.com/read/28099454/high-cable-forces-deteriorate-pinch-force-control-in-voluntary-closing-body-powered-prostheses
#14
Mona Hichert, David A Abbink, Peter J Kyberd, Dick H Plettenburg
BACKGROUND: It is generally asserted that reliable and intuitive control of upper-limb prostheses requires adequate feedback of prosthetic finger positions and pinch forces applied to objects. Body-powered prostheses (BPPs) provide the user with direct proprioceptive feedback. Currently available BPPs often require high cable operation forces, which complicates control of the forces at the terminal device. The aim of this study is to quantify the influence of high cable forces on object manipulation with voluntary-closing prostheses...
2017: PloS One
https://www.readbyqxmd.com/read/28099238/evaluation-of-the-new-north-carolina-burn-registry
#15
Lori Chrisco, Debbie Travers, Ernest J Grant
High-quality burn registries can facilitate best practices in burn treatment, patient education, and research. A new burn registry was designed and implemented at the North Carolina Jaycee Burn Center in June 2013. The primary goals for the design of the new North Carolina (NC) burn registry were to improve reporting to the American Burn Association's National Burn Repository while maintaining current functionality and preserving previously collected data. The objective of this evaluation was to review the literature for best practices in designing a disease registry, benchmark the design of the NC burn registry with the best practices identified in the literature, and compare data quality before and after implementation of the new NC burn registry...
January 10, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28099052/mhealth-intervention-elements-and-user-characteristics-determine-utility-a-mixed-methods-analysis
#16
Lyndsay A Nelson, Shelagh A Mulvaney, Kevin B Johnson, Chandra Y Osborn
BACKGROUND: Mobile health (mHealth) interventions are improving the medication adherence of adults with type 2 diabetes mellitus (T2DM), but few studies examine how users experience these interventions. Therefore, we used a mixed-methods approach to understand how T2DM users experience a text messaging and interactive voice response (IVR)-delivered medication adherence intervention called MEssaging for Diabetes (MED). METHODS: Adults with T2DM used MED as part of a 3-month pilot study...
January 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28098917/tanning-equipment-use-2014-canadian-community-health-survey
#17
Sami Q Qutob, Michelle O'Brien, Katya Feder, James McNamee, Mireille Guay, John Than
BACKGROUND: Tanning equipment use is related to the early onset of cancer, with the risk increasing as the duration and repetition of exposure increase. In 2009, the International Agency for Research on Cancer classified tanning equipment use as carcinogenic to humans, and according to the World Health Organization, the risk of skin melanoma increases significantly when use begins before age 35. DATA AND METHODS: The rapid response component of the 2014 Canadian Community Health Survey collected data on the use of tanning equipment in the previous 12 months, including reasons for use, frequency/duration of use, precautions taken, and adverse reactions or injuries...
January 18, 2017: Health Reports
https://www.readbyqxmd.com/read/28098770/can-malaysian-young-adults-report-dietary-intake-using-a-food-diary-mobile-application-a-pilot-study-on-acceptability-and-compliance
#18
Yoke San Chen, Jyh Eiin Wong, Ainaa Fatehah Ayob, Nor Effendy Othman, Bee Koon Poh
Mobile applications may improve dietary reporting among young adults due to their high accessibility and embedded camera function. This pilot study aimed to (i) evaluate users' acceptability and compliance in reporting dietary intake using a newly developed food diary mobile application (food app); and (ii) identify issues and recommendations for improving dietary assessment using this food app via quantitative and qualitative protocols. Twenty-eight university students each used a food app for seven consecutive days and attended one of five focus group interviews...
January 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28097937/an-assembly-type-master-slave-catheter-and-guidewire-driving-system-for-vascular-intervention
#19
Hyo-Jeong Cha, Byung-Ju Yi, Jong Yun Won
Current vascular intervention inevitably exposes a large amount of X-ray to both an operator and a patient during the procedure. The purpose of this study is to propose a new catheter driving system which assists the operator in aspects of less X-ray exposure and convenient user interface. For this, an assembly-type 4-degree-of-freedom master-slave system was designed and tested to verify the efficiency. First, current vascular intervention procedures are analyzed to develop a new robotic procedure that enables us to use conventional vascular intervention devices such as catheter and guidewire which are commercially available in the market...
January 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28097175/socioeconomic-status-and-satisfaction-with-public-healthcare-system-in-iran
#20
Najmeh Maharlouei, Mojtaba Akbari, Maryam Akbari, Kamran B Lankarani
BACKGROUND: The users' satisfaction is a method for evaluating the efficacy of healthcare system. We aimed to evaluate the association between the users' socioeconomic status (SES) and satisfaction with the healthcare system in Shiraz, Iran. METHODS: This cross-sectional study was conducted from December, 2013 to March, 2014, in Shiraz, Iran. 3400 households were recruited by multi-stage cluster random sampling. Information about demographic, insurance status, and users' satisfaction was derived from face-to-face interviews...
January 2017: International Journal of Community Based Nursing and Midwifery
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