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https://www.readbyqxmd.com/read/28731467/uncultivated-microbes-in-need-of-their-own-taxonomy
#1
Konstantinos T Konstantinidis, Ramon Rosselló-Móra, Rudolf Amann
The great majority of microbial species remains uncultured, severely limiting their taxonomic characterization and thus communication among scientists. Although Candidatus was devised as a provisional category to classify uncultured taxa, it has not been widely accepted owing to technical limitations and lack of priority of Candidatus names in the official nomenclature. High-throughput sequencing provides the potential for data-rich taxonomic descriptions of uncultivated microbes, comparable in quality to those of cultured organisms...
July 21, 2017: ISME Journal
https://www.readbyqxmd.com/read/28731368/computerized-planning-of-prostate-cryosurgery-and-shape-considerations
#2
Purva Joshi, Anjali Sehrawat, Yoed Rabin
The current study aims to explore possible relationships between various prostate shapes and the difficulty in creating a computer-based plan for cryosurgery. This research effort is a part of an ongoing study to develop computational means in order to improve cryosurgery training and education. This study uses a computerized planner-a key building block of a recently developed prototype for cryosurgery training. The quality of planning is measured by the overall defect volume, a proprietary concept which refers to undercooled areas internal to the target region and overcooled areas external to it...
January 1, 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/28730679/weighing-in-on-international-growth-standards-testing-the-case-in-australian-preschool-children
#3
REVIEW
C L Pattinson, S L Staton, S S Smith, S G Trost, E F Sawyer, K J Thorpe
Overweight and obesity in preschool-aged children are major health concerns. Accurate and reliable estimates of prevalence are necessary to direct public health and clinical interventions. There are currently three international growth standards used to determine prevalence of overweight and obesity, each using different methodologies: Center for Disease Control (CDC), World Health Organization (WHO) and International Obesity Task Force (IOTF). Adoption and use of each method were examined through a systematic review of Australian population studies (2006-2017)...
July 21, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28727947/definitions-and-clinical-guidance-on-the-enteral-dependence-component-of-the-avoidant-restrictive-food-intake-disorder-diagnostic-criteria-in-children
#4
Terence Michael Dovey, Markus Wilken, Clarissa Isabel Martin, Caroline Meyer
The aim of the current article is to offer definitive guidance on weaning children who are reliant on nasogastric/gastrostomy feeding tubes. To date, no internationally recognized definitions or principles for interventions exist, and clinics have been reliant on creating their own unique intervention criteria. To achieve the aim, 2 goals are set out within the current article. The first goal was to definitively define the process of tube weaning. To achieve this, both tube dependency and oral eating also required definitions...
July 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28727916/transient-catalytic-voltammetry-of-sulfite-oxidase-reveals-rate-limiting-conformational-changes
#5
Ting Zeng, Silke Leimkühler, Ulla Wollenberger, Vincent Fourmond
Sulfite oxidases are metalloenzymes that oxidize sulfite to sulfate at a molybdenum active site. In vertebrate sulfite oxidases, the electrons generated at the Mo center are transferred to an external electron acceptor via a heme domain, which can adopt two conformations: a "closed" conformation, suitable for internal electron transfer, and an "open" conformation suitable for intermolecular electron transfer. This conformational change is an integral part of the catalytic cycle. Sulfite oxidases have been wired to electrode surfaces, but their immobilization lead to a significant decrease in their catalytic activity, raising the question of the occurrence of the conformational change when the enzyme is on an electrode...
July 20, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28727859/space-flight-associated-neuro-ocular-syndrome
#6
Andrew G Lee, Thomas H Mader, C Robert Gibson, William Tarver
New and unique physiologic and pathologic systemic and neuro-ocular responses have been documented in astronauts during and after long-duration space flight. Although the precise cause remains unknown, space flight-associated neuro-ocular syndrome (SANS) has been adopted as an appropriate descriptive term. The Space Medicine Operations Division of the US National Aeronautics and Space Administration (NASA) has documented the variable occurrence of SANS in astronauts returning from long-duration space flight on the International Space Station...
July 20, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28724710/sedentary-time-in-older-men-and-women-an-international-consensus-statement-and-research-priorities
#7
Shilpa Dogra, Maureen C Ashe, Stuart J H Biddle, Wendy J Brown, Matthew P Buman, Sebastien Chastin, Paul A Gardiner, Shigeru Inoue, Barbara J Jefferis, Koichiro Oka, Neville Owen, Luís B Sardinha, Dawn A Skelton, Takemi Sugiyama, Jennifer L Copeland
Sedentary time is a modifiable determinant of poor health, and in older adults, reducing sedentary time may be an important first step in adopting and maintaining a more active lifestyle. The primary purpose of this consensus statement is to provide an integrated perspective on current knowledge and expert opinion pertaining to sedentary behaviour in older adults on the topics of measurement, associations with health outcomes, and interventions. A secondary yet equally important purpose is to suggest priorities for future research and knowledge translation based on gaps identified...
July 19, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28724633/conformationally-organized-lysine-isosteres-in-streptococcus-pyogenes-m-protein-mediate-direct-high-affinity-binding-to-human-plasminogen
#8
Yue Yuan, Jaroslav Zajicek, Cunjia Qiu, Vishwanatha Chandrahas, Shaun W Lee, Victoria A Ploplis, Francis J Castellino
The binding of human plasminogen (hPg) to the surface of the human pathogen Streptococcus pyogenes (GAS) and subsequent hPg activation to the protease plasmin generate a proteolytic surface that GAS employs to circumvent host innate immunity. Direct high-affinity binding of hPg/plasmin to pattern D GAS is fully recapitulated by the hPg kringle 2 domain (K2hPg) and a short internal peptide region (a1a2) of a specific subtype of bacterial surface M protein, present in all GAS pattern D strains. To better understand the nature of this binding, critical to the virulence of many GAS skin-tropic strains, we used high-resolution NMR to define the interaction of recombinant K2hPg with recombinant a1a2 (VKK38) of the M protein from GAS isolate NS455...
July 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28724004/international-cooperation-and-shortage-of-doctors-an-analysis-of-the-interaction-between-brazil-angola-and-cuba
#9
Sandra Mara Campos Alves, Felipe Proenço de Oliveira, Mateus Falcão Martins Matos, Leonor Maria Pacheco Santos, Maria Celia Delduque
The shortage of doctors, especially in remote areas, is a critical issue for the development of national health systems and has thus been the focus of a number of international cooperation projects. An exploratory and qualitative study was conducted to examine cooperation between Brazil, Angola and Cuba. A nonsystematic literature review was conducted of selected open access articles and official documents addressing relevant health cooperation initiatives. Previously selected characteristics of actions designed to redress the shortage of doctors were compared...
July 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28723996/bioethical-dimensions-of-international-cooperation-for-health-still-a-controversial-issue
#10
José Paranaguá de Santana
This essay stresses the importance of undertaking a critical analysis of international cooperation for health based upon reflections on diplomacy, acknowledging the ethical limits and possibilities of cooperation within this context. It emphasizes the importance of adopting an historical perspective, highlighting the circumstances surrounding the consolidation of the current international system, whereby, after two world wars, the victorious countries created the United Nations Organization, which today brings together all the world's nations, notwithstanding the fact that the majority of countries are in favor of significant changes to its institutional framework...
July 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28723369/evaluation-and-classification-of-stress-urinary-incontinence-current-concepts-and-future-directions
#11
REVIEW
Nadir I Osman, Vincenzo Li Marzi, Jean N Cornu, Marcus J Drake
CONTEXT: Stress urinary incontinence (SUI) is a common and bothersome problem that frequently requires operative management. Over the past two decades, novel techniques have been introduced into clinical practice. With the greater variety of surgical options now available, there is an increasing focus on selecting the appropriate procedure for the individual patient based on the likely underlying pathophysiologic mechanism. OBJECTIVE: To review the methods used in the evaluation of SUI and the proposed classification systems...
August 2016: European Urology Focus
https://www.readbyqxmd.com/read/28722772/understanding-leisure-time-physical-activity-voices-of-people-with-ms-who-have-moderate-to-severe-disability-and-their-family-caregivers
#12
Afolasade Fakolade, Julie Lamarre, Amy Latimer-Cheung, Trisha Parsons, Sarah A Morrow, Marcia Finlayson
BACKGROUND: Physical activity (PA) is beneficial for all people, yet people affected by multiple sclerosis (MS) find regular PA challenging. These people may include individuals with the disease who have moderate-to-severe disability and their family caregivers. For researchers and clinicians to effectively promote PA among caregiver/care-recipient dyads with moderate-to-severe MS, a comprehensive understanding of the shared PA experiences of these dyads would be beneficial. OBJECTIVE: We explored shared experiences of caregiver/care-recipient dyads affected by moderate-to-severe MS about PA and directions for intervention...
July 19, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28722559/free-versus-subsidised-healthcare-options-for-fee-exemptions-access-to-care-for-vulnerable-groups-and-effects-on-the-health-system-in-burkina-faso
#13
Maurice Yaogo
BACKGROUND: The many forms of healthcare fee exemptions implemented in Burkina Faso since the 2000s have varied between total exemption (free) and cost subsidisation. This article examines both options, their contextual variations and the ways in which they affect access to healthcare for vulnerable people as well as the operation of the health system. This research is part of an interdisciplinary regional program on the elimination of user fees for health services in West Africa (Burkina Faso, Mali and Niger)...
July 12, 2017: Health Research Policy and Systems
https://www.readbyqxmd.com/read/28722551/promoting-research-to-improve-maternal-neonatal-infant-and-adolescent-health-in-west-africa-the-role-of-the-west-african-health-organisation
#14
Issiaka Sombie, Aissa Bouwayé, Yves Mongbo, Namoudou Keita, Virgil Lokossou, Ermel Johnson, Laurent Assogba, Xavier Crespin
West Africa has adopted numerous strategies to counter maternal and infant mortality, provides national maternal and infant health programmes, and hosts many active technical and financial partners and non-governmental organisations. Despite this, maternal and infant morbidity and mortality indicators are still very high. In this commentary, internal actors and officials of the West African Health Organisation (WAHO) examine the regional organisation's role in promoting research as a tool for strengthening maternal and infant health in West Africa...
July 12, 2017: Health Research Policy and Systems
https://www.readbyqxmd.com/read/28722093/-a-multicenter-randomized-controlled-trial-of-wheat-cellulose-particles-in-the-treatment-of-internal-hemorrhoids
#15
Yunhua Peng, Wei Yang, Yehuang Wang, Xiaohua Fan, Xueping Zheng, Juanjuan Gai
OBJECTIVE: To evaluate the efficacy and safety of wheat cellulose particles (testa triticum tricum purify, Fiberform) in the treatment of internal hemorrhoid. METHODS: A multicenter randomized controlled clinical trial was adopted. From October 2015 to July 2016, 60 patients with internal hemorrhoid were enrolled from three medical centers, including Department of Anorectum, Shuguang Hospital of Shanghai University of Traditional Chinese Medicine, Department of Anorectum, The Third Affiliated Hospital of Nanjing University of Chinese Medicine, Department of Anorectum, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine...
July 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28720678/standardization-of-free-thyroxine-measurements-allows-the-adoption-of-a-more-uniform-reference-interval
#16
Linde A C De Grande, Katleen Van Uytfanghe, Dries Reynders, Barnali Das, James D Faix, Finlay MacKenzie, Brigitte Decallonne, Akira Hishinuma, Bruno Lapauw, Paul Taelman, Paul Van Crombrugge, Annick Van den Bruel, Brigitte Velkeniers, Paul Williams, Linda M Thienpont
BACKGROUND: The IFCC Committee for Standardization of Thyroid Function Tests intended to standardize free thyroxine (FT4) immunoassays. We developed a Système International d'Unités traceable conventional reference measurement procedure (RMP) based on equilibrium dialysis and mass spectrometry. We describe here the latest studies intended to recalibrate against the RMP and supply a proof of concept, which should allow continued standardization efforts. METHODS: We used the RMP to target the standardization and reference interval (RI) panels, which were also measured by 13 manufacturers...
July 18, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28720170/a-decade-of-health-technology-assessment-in-poland
#17
Iga Lipska, Neil McAuslane, Hubert Leufkens, Anke Hövels
OBJECTIVES: The objective of this study is to illustrate and provide a better understanding of the role of health technology assessment (HTA) processes in decision making for drug reimbursement in Poland and how this approach could be considered by other countries of limited resources. METHODS: We analyzed the evolution of the HTA system and processes in Poland over the past decade and current developments based on publicly available information. RESULTS: The role of HTA in drug-reimbursement process in Poland has increased substantially over the recent decade, starting in 2005 with the formation the Agency for Health Technology Assessment and Tariff System (AOTMiT)...
July 19, 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/28720089/analysis-of-the-association-between-millennium-development-goals-4-5-and-the-physician-workforce-across-international-economic-strata
#18
Christopher P Morley, Dongliang Wang, Emily M Mader, Kyle P Plante, Lindsey N Kingston, Azadeh Rabiei
BACKGROUND: The Millennium Development Goals (MDGs) are 8 international development goals voluntarily adopted by 189 nations. The goals included health related aims to reduce the under-five child mortality rate by two-thirds (MDG4), and to reduce the maternal mortality ratio by three-quarters (MDG5). To assess the relationship between the healthcare workforce and MDGs 4-5, we examined the physician workforces of countries around the globe, in terms of the Physician Density Level (PDL, or number of physicians per 1000 population), and compared this rate across a number of years to several indicator variables specified as markers of progress towards MDG4 and MDG5...
July 18, 2017: BMC International Health and Human Rights
https://www.readbyqxmd.com/read/28718969/child-and-family-related-predictors-of-psychological-outcomes-in-children-adopted-from-abroad-what-is-the-role-of-caregiver-time
#19
Niina Rita, Marko Elovainio, Hanna Raaska, Pekka Lahti-Nuuttila, Jaakko Matomäki, Jari Sinkkonen, Helena Lapinleimu
International adoptees need to cope with stressful transitions and to develop secure attachment with their caregivers at the same time. Although most children adopted from abroad adjust fine, they are at increased risk of psychological problems. We investigated whether both child and family-related factors are associated with later psychological problems and whether the length of time spent at home after adoption before daycare moderates these associations among internationally adopted children in Finland (FinAdo, Finnish Adoption Study)...
August 2017: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/28717413/revisions-to-the-tumor-node-metastasis-staging-of-lung-cancer-8-th-edition-rationale-radiologic-findings-and-clinical-implications
#20
REVIEW
Fernando U Kay, Asha Kandathil, Kiran Batra, Sachin S Saboo, Suhny Abbara, Prabhakar Rajiah
The Tumor, Node, Metastasis (TNM) staging system, adopted by the Union for International Cancer Control (UICC) and the American Joint Committee on Cancer (AJCC), has been recently revised, with the new 8(th) edition of the staging manual being published in January 2017. This edition has few but important evidence-based changes to the TNM staging system used for lung cancer. Radiologists should be aware of the updated classification system to accurately provide staging information to oncologists and oncosurgeons...
June 28, 2017: World Journal of Radiology
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