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https://www.readbyqxmd.com/read/28730123/iprgcs-possible-causation-accounts-for-the-higher-prevalence-of-sleep-disorders-in-glaucoma-patients
#1
Zhen-Zhen Guo, Shan-Ming Jiang, Li-Ping Zeng, Li Tang, Ni Li, Zhu-Ping Xu, Xin Wei
Sleep accounts for a third of one's lifetime, partial or complete deprivation of sleep could elicit sever disorders of body function. Previous studies have reported the higher prevalence of sleep disorders in glaucoma patients, but the definite mechanism for this phenomenon is unknown. On the other hand, it is well known by us that the intrinsically photosensitive retinal ganglion cells (ipRGCs) serve additional ocular functions, called non-image-forming (NIF) functions, in the regulation of circadian rhythm, melatonin secretion, sleep, mood and others...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728526/-i-m-still-here-i-m-still-alive-understanding-successful-aging-in-the-context-of-hiv
#2
Patricia Solomon, Lori Letts, Kelly K O'Brien, Stephanie Nixon, Larry Baxter, Nicole Gervais
As people living with HIV (PLWH) live longer, increased understanding of individuals' values and perceptions of successful aging can assist health providers in working with PLWH to set meaningful goals as they age. The purpose of this qualitative study was to understand how PLWH define successful aging and their perceptions of contributors to successful aging. Fourteen men and ten women over the age of 50 years (mean age 57 years; mean time since diagnosis 18 years) participated in individual interviews. Interviews were analyzed using directed content analysis...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28726028/should-we-all-be-scientists-re-thinking-laboratory-research-as-a-calling
#3
Louise Bezuidenhout, Nathaniel A Warne
In recent years there have been major shifts in how the role of science-and scientists-are understood. The critical examination of scientific expertise within the field of Science and Technology Studies (STS) are increasingly eroding notions of the "otherness" of scientists. It would seem to suggest that anyone can be a scientist-when provided with the appropriate training and access to data. In contrast, however, ethnographic evidence from the scientific community tells a different story. Scientists are quick to recognize that not everyone can-or should-be a scientist...
July 19, 2017: Science and Engineering Ethics
https://www.readbyqxmd.com/read/28722416/character-of-localization-and-microenvironment-of-the-solvatochromic-reichardt-s-betaine-dye-in-sds-and-ctab-micelles-md-simulation-study
#4
Vladimir S Farafonov, Alexander V Lebed, Nikolay O Mchedlov-Petrossyan
The problem of using the surfactant micellar aqueous solutions as reaction media centers on estimating the polarity of the micellar pseudophase. The most popular approach is the utilization of solvatochromic dyes. Among the last, the strongest ones are the dipolar pyridinium N-phenolate dyes. The complication of such approach, however, consists in the non-uniform character of the environment of the indicator fixed in the micellar pseudophase. The aim of this study is to reveal the character of localization and orientation of the standard solvatochromic pyridinium N-phenolate dye, 4-(2,4,6-triphenylpyridinium-1-yl)-2,6-diphenylphenolate, the so-called Reichardt's dye, within the micellar pseudophase of an anionic (sodium n-dodecyl sulfate, SDS) and cationic (cetyltrimethylammonium bromide, CTAB) surfactants using MD simulations...
July 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28722085/-anatomical-planes-and-landmarks-of-transanal-total-mesorectal-excision-for-rectal-cancer-and-prophylaxis-of-intraoperative-complications
#5
Zhanlong Shen, Yingjiang Ye, Shan Wang
Total mesorectal excision (TME) is a mile-stone procedure in the history of rectal cancer surgery, but the exposure of surgical field of distal rectum is usually poor in patients with male, obese and narrow pelvis, which may lead to tumor residue and relative complications. Recently, a new technique called transanal TME (taTME) is considered to solve the above problems, but most medical centers are still in the learning curve of this procedure. Therefore, anatomical planes and landmarks of taTME for rectal cancer and prophylaxis of intraoperative complications are induced in this paper, which includes posterior plane: angle of anus and distal mesorectum and bleeding of mesorectum; rectosacral fascia and presacral bleeding; lateral and posterior-lateral plane: posterior branches of pelvic plexus and damage of anal function; anterior plane: vessel branches of neurovascular bundle and bleeding...
July 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28720681/the-eubivas-project-within-and-between-subject-biological-variation-data-for-serum-creatinine-using-enzymatic-and-alkaline-picrate-methods-and-implications-for-monitoring
#6
Anna Carobene, Irene Marino, Abdurrahman Coŝkun, Mustafa Serteser, Ibrahim Unsal, Elena Guerra, William A Bartlett, Sverre Sandberg, Aasne Karine Aarsand, Marit Sverresdotter Sylte, Thomas Røraas, Una Ørvim Sølvik, Pilar Fernandez-Calle, Jorge Díaz-Garzón, Francesca Tosato, Mario Plebani, Niels Jonker, Gerhard Barla, Ferruccio Ceriotti
BACKGROUND: The European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) European Biological Variation Study (EuBIVAS) has been established to deliver rigorously determined biological variation (BV) indices. EuBIVAS determined BV for serum creatinine using the enzymatic and alkaline picrate measurement methods. METHOD: In total, 91 healthy individuals (38 males, 53 females; age range, 21-69 years) were bled for 10 consecutive weeks at 6 European laboratories...
July 18, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28720620/in-this-issue-opiates-tobacco-social-determinants-of-health-social-accountability-for-non-profit-hospitals-more-on-pcmh-and-clinical-topics
#7
EDITORIAL
Marjorie A Bowman, Anne Victoria Neale, Dean A Seehusen
This issue contains several articles about the factors contributing to the complex and deadly interplay between social determinants of health, pain, mental illness, and addictive substances such as opioids and tobacco. One article clearly is a call to action: more than half of opioid prescriptions in the United States are given to patients with mental health problems. Two articles report work on the next steps for social determinants of health in health care settings. Social accountability based on community health needs assessments required of community hospitals should lead to the creation of more family medicine residency positions...
July 2017: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28719333/bidirectional-exchange-in-global-health-moving-toward-true-global-health-partnership
#8
Gitanjli Arora, Christiana Russ, Maneesh Batra, Sabrina M Butteris, Jennifer Watts, Michael B Pitt
Although there has been rapid growth in global health educational experiences over the last two decades, the flow of learners remains overwhelmingly one directional; providers from high-resourced settings travel to limited-resourced environments to participate in clinical care, education, and/or research. Increasingly, there has been a call to promote parity in partnerships, including the development of bidirectional exchanges, where trainees from each institution travel to the partner's setting to learn from and teach each other...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28718665/prevalence-of-low-vitamin-d-in-patients-with-breast-cancer-in-a-predominantly-hispanic-population-at-the-american-mexican-border
#9
Safa E Farrag, Alok K Dwivedi, Salman Otoukesh, Nabeel J Badri, Luis A Sanchez, Zeina A Nahleh
INTRODUCTION: Low level of vitamin D (VD) has been linked with a higher risk of cancers. The aim of this study was to assess the prevalence of low VD in patients with breast cancer in a predominantly Mexican Hispanic/Latino patient population, a fast growing and relatively understudied population. MATERIALS/METHODS: We sought to evaluate the serum VD levels in breast cancer patients diagnosed at the Texas Tech University Breast Cancer Center in El Paso, TX, between May 2013 and May2014 via a retrospective chart review of the Electronic Medical Records...
July 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28716014/the-comprehensive-post-acute-stroke-services-compass-study-design-and-methods-for-a-cluster-randomized-pragmatic-trial
#10
Pamela W Duncan, Cheryl D Bushnell, Wayne D Rosamond, Sara B Jones Berkeley, Sabina B Gesell, Ralph B D'Agostino, Walter T Ambrosius, Blair Barton-Percival, Janet Prvu Bettger, Sylvia W Coleman, Doyle M Cummings, Janet K Freburger, Jacqueline Halladay, Anna M Johnson, Anna M Kucharska-Newton, Gladys Lundy-Lamm, Barbara J Lutz, Laurie H Mettam, Amy M Pastva, Mysha E Sissine, Betsy Vetter
BACKGROUND: Patients discharged home after stroke face significant challenges managing residual neurological deficits, secondary prevention, and pre-existing chronic conditions. Post-discharge care is often fragmented leading to increased healthcare costs, readmissions, and sub-optimal utilization of rehabilitation and community services. The COMprehensive Post-Acute Stroke Services (COMPASS) Study is an ongoing cluster-randomized pragmatic trial to assess the effectiveness of a comprehensive, evidence-based, post-acute care model on patient-centered outcomes...
July 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28715387/a-modified-trier-social-stress-test-for-vulnerable-mexican-american-adolescents
#11
Megan M Johnson, Julianna Deardorff, Kimberly Parra, Abbey Alkon, Brenda Eskenazi, Elizabeth Shirtcliff
The Trier Social Stress Test (TSST) is a well validated and widely used social stressor that has been shown to induce a 2-4 fold increase in cortisol, the biological output produced by the Hypothalamic-Pituitary-Adrenal (HPA) axis in humans. While studies have explored how modifications to the TSST influence stress responsivity, few studies have created a modified TSST appropriate for vulnerable youth that elicits a significant cortisol stress response. Thus, the current study sought to modify or adjust the TSST in a culturally sensitive way for a vulnerable sample of 14 year-old adolescents...
July 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28715375/microfluidic-based-synthesis-of-covalent-organic-frameworks-cofs-a-tool-for-continuous-production-of-cof-fibers-and-direct-printing-on-a-surface
#12
Afshin Abrishamkar, David Rodríguez-San-Miguel, Jorge Andrés Rodríguez Navarro, Romen Rodriguez-Trujillo, David B Amabilino, Ruben Mas-Ballesté, Félix Zamora, Andrew J deMello, Josep Puigmarti-Luis
Covalent Organic Frameworks (COFs) are a class of porous covalent materials which are frequently synthesized as unprocessable crystalline powders. The first COF was reported in 2005 with much effort centered on the establishment of new synthetic routes for its preparation. To date, most available synthetic methods for COF synthesis are based on bulk mixing under solvothermal conditions. Therefore, there is increasing interest in developing systematic protocols for COF synthesis that provide for fine control over reaction conditions and improve COF processability on surfaces, which is essential for their use in practical applications...
July 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28713878/access-to-medical-care-for-individuals-with-myalgic-encephalomyelitis-and-chronic-fatigue-syndrome-a-call-for-centers-of-excellence
#13
Madison Sunnquist, Laura Nicholson, Leonard A Jason, Kenneth J Friedman
The current study sought to better understand the experience of individuals with myalgic encephalomyelitis (ME) and chronic fatigue syndrome (CFS) in accessing care for their debilitating illness. Of 898 participants, less than half had ever seen an ME or CFS specialist, though 99% of participants were interested in specialist care. Participants cited geographic and financial barriers as most frequently precluding access to specialists. Furthermore, satisfaction with specialist care greatly exceeded satisfaction with non-specialist care...
April 2017: Mod Clin Med Res
https://www.readbyqxmd.com/read/28713187/structural-representations-causally-relevant-and-different-from-detectors
#14
Paweł Gładziejewski, Marcin Miłkowski
This paper centers around the notion that internal, mental representations are grounded in structural similarity, i.e., that they are so-called S-representations. We show how S-representations may be causally relevant and argue that they are distinct from mere detectors. First, using the neomechanist theory of explanation and the interventionist account of causal relevance, we provide a precise interpretation of the claim that in S-representations, structural similarity serves as a "fuel of success", i.e., a relation that is exploitable for the representation using system...
2017: Biology & Philosophy
https://www.readbyqxmd.com/read/28710607/evaluation-of-a-food-and-drug-administration-mandate-to-limit-acetaminophen-in-prescription-combination-products
#15
David Goldberger, David Vearrier
INTRODUCTION: In 2014, the US Food and Drug Administration limited the production of prescription acetaminophen-opioid combination products to 325 mg per dose unit. The goal of this mandate was to decrease the likelihood of unintentional acetaminophen hepatotoxicity. This study was designed to determine if this federal regulation has succeeded in reducing unintentional acetaminophen-induced hepatotoxicity from opioid combination products. METHODS: Using data from the National Poison Data System (NPDS), we analyzed all calls to US Poison Control Centers in the years 2013 and 2015 for acetaminophen-opioid combination product exposures...
July 14, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/28708303/using-medical-exome-sequencing-to-identify-the-causes-of-neurodevelopmental-disorders-experience-of-two-clinical-units-and-216-patients
#16
E Chérot, B Keren, C Dubourg, W Carré, M Fradin, A Lavillaureix, A Afenjar, L Burglen, S Whalen, P Charles, I Marey, S Heide, A Jacquette, D Heron, D Doummar, D Rodriguez, Thierry Billette de Villemeur, M-L Moutard, A Guët, J Xavier, D Périsse, D Cohen, F Demurger, C Quélin, C Depienne, S Odent, C Nava, V David, L Pasquier, C Mignot
Though whole exome sequencing is the gold standard for the diagnosis of neurodevelopmental disorders, it remains expensive for some genetic centers. Commercialized panels comprising all OMIM-referenced genes called "medical exome" constitute an alternative strategy to whole exome sequencing, but its efficiency is poorly known. In this study, we report the experience of two clinical genetic centers using medical exome for diagnosis of neurodevelopmental disorders. We recruited 216 consecutive index patients with neurodevelopmental disorders in two French genetic centers, corresponded to the daily practice of the units and included non-syndromic intellectual disability (n=33), syndromic intellectual disability (n=122), pediatric neurodegenerative disorders (n=7) and autism spectrum disorder (n=54)...
July 14, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28707287/are-the-origins-of-precision-medicine-found-in-the-corpus-hippocraticum
#17
Meropi K Konstantinidou, Makrina Karaglani, Maria Panagopoulou, Aliki Fiska, Ekaterini Chatzaki
Precision medicine (PM) is currently placed at the center of global attention following decades of research towards the improvement of medical practice. The subject of this study was to examine whether this trend had emerged earlier, in fact if the fundamentals of PM can be traced back to the ancient Greek era. For this reason, we studied the collection of all the Hippocratic texts, called the Corpus Hippocraticum, using original translations, and attempted an interpretation of the ancient authors in the context of the modern concept of PM...
July 13, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28704829/prevalence-of-and-risk-factors-for-secondary-traumatization-in-interpreters-for-refugees-a-cross-sectional-study
#18
David Kindermann, Carolin Schmid, Cassandra Derreza-Greeven, Daniel Huhn, Rupert Maria Kohl, Florian Junne, Maritta Schleyer, Judith K Daniels, Beate Ditzen, Wolfgang Herzog, Christoph Nikendei
BACKGROUND: A substantial proportion of refugees, fleeing persecution, torture, and war, are estimated to suffer from psychological traumatization. After being sheltered in reception centers, the refugees come in close contact with different occupational groups, e.g., physicians, social workers, and interpreters. Previous studies ascertained that such interpreters themselves often suffer from primary psychological traumatization. Moreover, through translating refugees' potentially traumatic depictions, the interpreters are in danger of developing a so-called secondary traumatization...
July 14, 2017: Psychopathology
https://www.readbyqxmd.com/read/28700461/student-hotspotting-teaching-the-interprofessional-care-of-complex-patients
#19
Pablo Bedoya, Katherine Neuhausen, Alan Dow, E Marshall Brooks, Dawn Mautner, Rebecca S Etz
PROBLEM: Individuals with complex health and social needs drive much of the total cost of care. Addressing these individuals' needs and decreasing costs requires interprofessional teams, called "hotspotters," who engage with communities with high utilization. Training health professions students to succeed in the hotspotting approach may benefit trainees, academic health centers (AHCs), and communities. APPROACH: The Camden Coalition of Healthcare Providers and the Association of American Medical Colleges launched the Interprofessional Student Hotspotting Learning Collaborative in 2014...
July 11, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28698373/genetic-identification-of-a-hindbrain-nucleus-essential-for-innate-vocalization
#20
Luis Rodrigo Hernandez-Miranda, Pierre-Louis Ruffault, Julien C Bouvier, Andrew J Murray, Marie-Pierre Morin-Surun, Niccolò Zampieri, Justyna B Cholewa-Waclaw, Elodie Ey, Jean-Francois Brunet, Jean Champagnat, Gilles Fortin, Carmen Birchmeier
Vocalization in young mice is an innate response to isolation or mechanical stimulation. Neuronal circuits that control vocalization and breathing overlap and rely on motor neurons that innervate laryngeal and expiratory muscles, but the brain center that coordinates these motor neurons has not been identified. Here, we show that the hindbrain nucleus tractus solitarius (NTS) is essential for vocalization in mice. By generating genetically modified newborn mice that specifically lack excitatory NTS neurons, we show that they are both mute and unable to produce the expiratory drive required for vocalization...
July 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
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