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https://www.readbyqxmd.com/read/28231637/preen-oil-and-bird-fitness-a-critical-review-of-the-evidence
#1
Gregorio Moreno-Rueda
The uropygial gland is a holocrine complex exclusive to birds that produces an oleaginous secretion (preen oil) whose function is still debated. Herein, I examine critically the evidence for the many hypotheses of potential functions of this gland. The main conclusion is that our understanding of this gland is still in its infancy. Even for functions that are considered valid by most researchers, real evidence is scarce. Although it seems clear that preen oil contributes to plumage maintenance, we do not know whether this is due to a role in reducing mechanical abrasion or in reducing feather degradation by keratinophilic organisms...
February 23, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28230685/first-letters-from-red-cross-nurses
#2
(no author information available yet)
Editor's note: From its first issue in 1900 to the present day, AJN has unparalleled archives detailing nurses' work and lives over more than a century. These articles not only chronicle nursing's growth as a profession within the context of the events of the day, but they also reveal prevailing societal attitudes about women, health care, and human rights. Today's nursing school curricula rarely include nursing's history, but it's a history worth knowing. To this end, From the AJN Archives highlights articles selected to fit today's topics and times...
March 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28229562/out-of-pocket-costs-and-burden-among-rural-breast-cancer-survivors
#3
Maria Pisu, Andres Azuero, Rachel Benz, Patrick McNees, Karen Meneses
Little is known about out-of-pocket (OOP) costs incurred for medical and health needs by rural breast cancer survivors and what factors may be associated with higher OOP costs and the associated economic burden. Data were examined for 432 survivors participating in the Rural Breast Cancer Survivor Intervention trial. OOP costs were collected using the Work and Finances Inventory survey at baseline and four assessments every 3 months. Mean and median OOP costs and burden (percent of monthly income spent on OOP costs) were reported and factors associated with OOP costs and burden identified with generalized linear models fitted with over-dispersed gamma distributions and logarithmic links (OOP costs) and with beta distributions with logit link (OOP burden)...
February 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28227948/stayfit-a-wearable-application-for-gym-based-power-training
#4
Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Rangavittal Narayanan, Vijay N Tiwari, Vivek Jilla, Aman Gaurav, Maram Maheedhar
Comprehensive fitness training involves both cardiorespiratory and power components. Often power/muscle strength training is confused with cardiorespiratory endurance training. However, each of them target different physiological aspects of fitness. Although, wearable based fitness trackers designed towards cardiorespiratory endurance training are available in the market, a dedicated wearable based fitness application designed for power training/tracking is still not readily available to fitness enthusiasts...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227729/high-frame-rate-medical-quality-video-compression-for-tele-eeg
#5
Laurent Lambert, Syed Zahid Ahmed, Khalil Hachicha, Andrea Pinna, Patrick Garda, Laurent Lambert, Syed Zahid Ahmed, Khalil Hachicha, Andrea Pinna, Patrick Garda, Syed Zahid Ahmed, Andrea Pinna, Laurent Lambert, Patrick Garda, Khalil Hachicha
More and more, exams require medical images as a tool to diagnose pathologies. Thus, the transfer and storage of the exam data becomes a critical issue. To address this issue, an image compression algorithm called Waaves has been developed and certified for medical imaging. Our work in this paper deals with a scenario of EEG exams where video of the patient is also recorded in order to correctly diagnose myoclonus pathologies. To achieve this goal, the video needs to be of high quality and at frame rate of at least 100 frames per second...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227699/endurance-based-personalized-fitness-planner
#6
S Sahoo, V N Tiwari, R Narayanan, S Sahoo, V N Tiwari, R Narayanan, R Narayanan, V N Tiwari, S Sahoo
Endurance is an important factor of cardiovascular fitness indicating the capacity of an individual to perform exercise for a longer duration with increased intensity. Various subject specific and exercise related parameters affect endurance of an individual. In this work, we propose a statistical technique to model endurance as a function of these factors incorporating the serial dependence of observations generated by individuals over time. The proposed model provides a device to predict future endurance of a test subject following particular exercise regime...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227693/using-bioimpedance-spectroscopy-parameters-as-real-time-feedback-during-tdcs
#7
Isar Nejadgholi, Herschel Caytak, Miodrag Bolic, Isar Nejadgholi, Herschel Caytak, Miodrag Bolic, Isar Nejadgholi, Miodrag Bolic, Herschel Caytak
An exploratory analysis is carried out to investigate the feasibility of using BioImpedance Spectroscopy (BIS) parameters, measured on scalp, as real-time feedback during Transcranial Direct Current Stimulation (tDCS). TDCS is shown to be a potential treatment for neurological disorders. However, this technique is not considered as a reliable clinical treatment, due to the lack of a measurable indicator of treatment efficacy. Although the voltage that is applied on the head is very simple to measure during a tDCS session, changes of voltage are difficult to interpret in terms of variables that affect clinical outcome...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227619/characterizing-graphene-modified-electrodes-for-interfacing-with-arduino%C3%A2-based-devices
#8
Farrah Aida Arris, Mohamad Hafiz Ithnin, Wan Wardatul Amani Wan Salim, Farrah Aida Arris, Mohamad Hafiz Ithnin, Wan Wardatul Amani Wan Salim, Mohamad Hafiz Ithnin, Wan Wardatul Amani Wan Salim, Farrah Aida Arris
Portable low-cost platform and sensing systems for identification and quantitative measurement are in high demand for various environmental monitoring applications, especially in field work. Quantifying parameters in the field requires both minimal sample handling and a device capable of performing measurements with high sensitivity and stability. Furthermore, the one-device-fits-all concept is useful for continuous monitoring of multiple parameters. Miniaturization of devices can be achieved by introducing graphene as part of the transducer in an electrochemical sensor...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227430/a-method-for-coronary-bifurcation-centerline-reconstruction-from-angiographic-images-based-on-focalization-optimization
#9
E Montin, S Migliori, C Chiastra, C Credi, R Fedele, C Aurigemma, M Levi, F Burzotta, F Migliavacca, L T Mainardi, E Montin, S Migliori, C Chiastra, C Credi, R Fedele, C Aurigemma, M Levi, F Burzotta, F Migliavacca, L T Mainardi, L T Mainardi, C Chiastra, E Montin, S Migliori, F Burzotta, C Credi, R Fedele, M Levi, C Aurigemma, F Migliavacca
A method for the reconstruction of a vessel centerline from angiographic images is outlined in this work. A typical coronary artery segment with bifurcations was emulated with a 3D printed static phantom and several angiograms were acquired at various angular positions on the C-Arm. The effectiveness of the reconstruction turned out to be largely influenced by the intrinsic parameters of the angiographic system, particularly the homogeneous coordinates system scaling factor λ. Therefore, recourse was made to a heuristic optimization method to estimate the optimal value of λ for each view...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227421/spectral-based-pneumonia-detection-tool-using-ultrasound-data-from-pediatric-populations
#10
O Zenteno, B Castaneda, R Lavarello, O Zenteno, B Castaneda, R Lavarello, B Castaneda, O Zenteno, R Lavarello
Pediatric Pneumonia is one of the principal causes of death by year on children under the age of five worldwide. The diagnosis is commonly made by clinical criteria with support from imaging tools like radiography. Lung ultrasound has been considered a low-cost and portable alternative for pneumonia imaging; however, interpretation is subjective and requires adequate training. In the present work, a pneumonia detection algorithm based on the measurement of the fundamental bandwidth downshift over depth of ultrasound radiofrequency (RF) signals is presented...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227158/interventional-placement-of-thin-coil-shaped-implants-powered-wirelessly-for-monitoring-vital-signals-and-controlling-abnormal-activities-by-electro-stimulation
#11
Hidetoshi Ohta, Masanobu Honda, Makoto Takamiya, Hidetoshi Ohta, Masanobu Honda, Makoto Takamiya, Masanobu Honda, Hidetoshi Ohta, Makoto Takamiya
Various types of implants are being commonly used for monitoring vital signals and controlling the critically ill patient's condition such as arrhythmia, sick sinus syndrome, etc. For implanting these medical devices under the skin, surgery is inevitable. These days many patients are more willing to accept interventional therapies that are less invasive, especially inserting a catheter into a blood vessel or endoscopy through a natural orifice. To be able to use interventional therapy for implanting medical devices, they will need to be small enough to fit them through a catheter or the forceps channel of an endoscope...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225644/a-narrative-synthesis-of-nintendo-wii-fit-gaming-protocol-in-addressing-balance-among-healthy-older-adults-what-system-works
#12
Donald G Manlapaz, Gisela Sole, Prasath Jayakaran, Cathy M Chapple
BACKGROUND: Balance is crucial in performing functional tasks particularly among older adults. Exergaming is gaining attention as a novel approach to enhance balance in a number of clinical populations. OBJECTIVES: The aim of this review was to synthesize and present published evidence for Nintendo Wii Fit™ gaming system protocols. These include game preference, intervention setting, and exercise dosage for improving balance in healthy older adults. Commonly used outcome measures were also identified...
February 22, 2017: Games for Health
https://www.readbyqxmd.com/read/28225462/validity-evidence-from-ratings-of-pediatric-interns-and-subinterns-on-a-subset-of-pediatric-milestones
#13
Teri L Turner, Vasudha L Bhavaraju, Ulana A Luciw-Dubas, Patricia J Hicks, Sara Multerer, Amanda Osta, Jennifer McDonnell, Sue Poynter, Daniel J Schumacher, Rebecca Tenney-Soeiro, Linda Waggoner-Fountain, Alan Schwartz
PURPOSE: To investigate evidence for validity of faculty members' pediatric milestone (PM) ratings of interns (first-year residents) and subinterns (fourth-year medical students) on nine subcompetencies related to readiness to serve as a pediatric intern in the inpatient setting. METHOD: The Association of Pediatric Program Directors Longitudinal Educational Assessment Research Network (APPD LEARN) and the National Board of Medical Examiners collaborated to investigate the utility of assessments of the PMs for trainees' performance...
February 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28222736/implementing-guidelines-and-training-initiatives-to-improve-cross-cultural-communication-in-primary-care-consultations-a-qualitative-participatory-european-study
#14
E Teunissen, K Gravenhorst, C Dowrick, E Van Weel-Baumgarten, F Van den Driessen Mareeuw, T de Brún, N Burns, C Lionis, F S Mair, C O'Donnell, M O'Reilly-de Brún, M Papadakaki, A Saridaki, W Spiegel, C Van Weel, M Van den Muijsenbergh, A MacFarlane
BACKGROUND: Cross-cultural communication in primary care is often difficult, leading to unsatisfactory, substandard care. Supportive evidence-based guidelines and training initiatives (G/TIs) exist to enhance cross cultural communication but their use in practice is sporadic. The objective of this paper is to elucidate how migrants and other stakeholders can adapt, introduce and evaluate such G/TIs in daily clinical practice. METHODS: We undertook linked qualitative case studies to implement G/TIs focused on enhancing cross cultural communication in primary care, in five European countries...
February 10, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28221087/fechner-s-law-in-metacognition-a-quantitative-model-of-visual-working-memory-confidence
#15
Ronald van den Berg, Aspen H Yoo, Wei Ji Ma
Although visual working memory (VWM) has been studied extensively, it is unknown how people form confidence judgments about their memories. Peirce (1878) speculated that Fechner's law-which states that sensation is proportional to the logarithm of stimulus intensity-might apply to confidence reports. Based on this idea, we hypothesize that humans map the precision of their VWM contents to a confidence rating through Fechner's law. We incorporate this hypothesis into the best available model of VWM encoding and fit it to data from a delayed-estimation experiment...
March 2017: Psychological Review
https://www.readbyqxmd.com/read/28220913/socio-demographic-predictors-of-person-organization-fit
#16
Dorota Merecz-Kot, Aleksandra Andysz
OBJECTIVES: The aim of this study was to explore the relationship between socio-demographic characteristics and the level of complementary and supplementary person-organization fit (P-O fit). MATERIAL AND METHODS: The study sample was a group of 600 Polish workers, urban residents aged 19-65. Level of P-O fit was measured using the Subjective Person-Organization Fit Questionnaire by Czarnota-Bojarska. The binomial multivariate logistic regression was applied. The analyzes were performed separately for the men and women...
February 21, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28220521/indirect-treatment-comparison-itc-of-medical-therapies-for-an-overactive-bladder
#17
Aneta Obloza, Joshua Kirby, Derrick Yates, Philip Toozs-Hobson
BACKGROUND: Overactive bladder syndrome (OAB) is a chronic and prevalent condition which has a negative impact on Quality of Life. The National Institute of Clinical Excellence issued two documents which give slightly varying algorithms of pharmacotherapy for OAB, offering mirabegron as a possible treatment in certain circumstances. In the absence of trials involving a direct comparison of therapies, an indirect comparison can provide useful information on the difference in treatment effects between competing interventions...
February 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28220113/diverse-plant-associated-pleosporalean-fungi-from-saline-areas-ecological-tolerance-and-nitrogen-status-dependent-effects-on-plant-growth
#18
Yuan Qin, Xueyu Pan, Christian Kubicek, Irina Druzhinina, Komal Chenthamara, Jessy Labbé, Zhilin Yuan
Similar to mycorrhizal mutualists, the rhizospheric and endophytic fungi are also considered to act as active regulators of host fitness (e.g., nutrition and stress tolerance). Despite considerable work in selected model systems, it is generally poorly understood how plant-associated fungi are structured in habitats with extreme conditions and to what extent they contribute to improved plant performance. Here, we investigate the community composition of root and seed-associated fungi from six halophytes growing in saline areas of China, and found that the pleosporalean taxa (Ascomycota) were most frequently isolated across samples...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28219833/statistical-appearance-models-based-on-probabilistic-correspondences
#19
Julia Krüger, Jan Ehrhardt, Heinz Handels
Model-based image analysis is indispensable in medical image processing. One key aspect of building statistical shape and appearance models is the determination of one-to-one correspondences in the training data set. At the same time, the identification of these correspondences is the most challenging part of such methods. In our earlier work, we developed an alternative method using correspondence probabilities instead of exact one-to-one correspondences for a statistical shape model (Hufnagel et al., 2008)...
February 7, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28218751/scleral-lenses-for-severe-chronic-gvhd-related-keratoconjunctivitis-sicca-a-retrospective-study-by-the-sfgm-tc
#20
L Magro, J Gauthier, M Richet, M Robin, S Nguyen, F Suarez, J-H Dalle, T Fagot, A Huynh, M-T Rubio, R Oumadely, S Vigouroux, N Milpied, A Delcampe, I Yakoub-Agha
Chronic GvHD-related keratoconjunctivitis sicca (cGvHD-related KCS) can significantly alter the quality of life of patients after allogeneic hematopoietic stem cell transplantation. The aim of this work was to assess the efficacy and tolerability of scleral lenses to treat severe cGvHD-related KCS. In this retrospective, multicenter study, we included 60 consecutive patients diagnosed with cGvHD-related KCS and fitted with scleral lenses. Patients were evaluated at baseline and at 2 months with the following tests: the Ocular Surface Disease Index (OSDI) to assess quality of life, the Oxford score to grade corneal damage and the logarithm of minimal angle of resolution (Log MAR) scale to determine visual acuity...
February 20, 2017: Bone Marrow Transplantation
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