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https://www.readbyqxmd.com/read/28636029/cross-impact-of-surface-and-interaction-anisotropy-in-the-self-assembly-of-organic-adsorption-monolayers-a-monte-carlo-and-transfer-matrix-study
#1
V A Gorbunov, S S Akimenko, A V Myshlyavtsev
Using a simple lattice gas model we study the features of self-assembly in adsorption layers where both "molecule-surface" and "molecule-molecule" interactions are anisotropic. Based on the example of adsorption layers of mono-functional organic molecules on the heterogeneous surface with strip-like topography, we have revealed plenty of possible self-assembled structures in this simple system, such as discrete, linear, zigzag, chess board-like, two-dimensional porous and close-packed patterns. However, the phase behavior of the adsorption layer is much richer, if the interactions between functional and non-functional parts of adjacent adsorbed molecules have comparable strength and opposite signs...
June 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28634259/effectiveness-of-an-online-support-programme-supr-for-older-hearing-aid-users-study-protocol-for-a-cluster-randomised-controlled-trial
#2
Janine Fj Meijerink, Marieke Pronk, Bernadette Paulissen, Birgit I Witte, Bregje van der Wouden, Vera Jansen, Sophia E Kramer
BACKGROUND: An educational SUpport PRogramme called SUPR has been developed for hearing aid users (HAUs) and their communication partners (CPs) offering care beyond hearing aid fitting. SUPR teaches its users communication strategies, hearing aid handling skills and personal adjustment to hearing impairment. METHODS/DESIGN: Using a cluster randomised controlled trial design, 70 Dutch hearing aid dispenser practices were randomised into hearing aid fitting (care as usual, 34 practices) and hearing aid fitting including SUPR (36 practices)...
June 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28634152/ensuring-inclusion-of-adolescent-key-populations-at-higher-risk-of-hiv-exposure-recommendations-for-conducting-biological-behavioral-surveillance-surveys
#3
Lisa Grazina Johnston, Justine Sass, Jeffry Acaba, Wing-Sie Cheng, Shirley Mark Prabhu
Ending acquired immune deficiency syndrome (AIDS) depends on greater efforts to reduce new human immunodeficiency virus (HIV) infections and prevent AIDS-related deaths among key populations at highest HIV risk, including males who have sex with males, sex workers, and people who inject drugs. Although adolescent key populations (AKP) are disproportionately affected by HIV, they have been largely ignored in HIV biological behavioral surveillance survey (BBSS) activities to date. This paper reviews current ethical and sampling challenges and provides suggestions to ensure AKP are included in surveillance activities, with the aim being to enhance evidence-informed, strategic, and targeted funding allocations and programs toward ending AIDS among AKP...
June 20, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28633723/validated-measures-of-insomnia-function-sleepiness-and-nasal-obstruction-in-a-cpap-alternatives-clinic-population
#4
Austin S Lam, Nancy A Collop, Donald L Bliwise, Raj C Dedhia
STUDY OBJECTIVES: Although efficacious in the treatment of obstructive sleep apnea (OSA), continuous positive airway pressure (CPAP) can be difficult to tolerate, with long-term adherence rates approaching 50%. CPAP alternatives clinics specialize in the evaluation and treatment of CPAP-intolerant patients; yet this population has not been studied in the literature. To better understand these patients, we sought to assess insomnia, sleep-related functional status, sleepiness, and nasal obstruction, utilizing data from validated instruments...
June 16, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28633341/swallowing-computed-tomography-dose-estimation-in-a-phantom-study-conducted-at-various-patient-reclining-angles
#5
Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Kazuyuki Minami, Shouichi Suzuki, Yuta Matsunaga, Tomonobu Haba, Ai Kawaguchi, Tomihiko Daioku, Hiroshi Toyama, Ryoichi Kato
Swallowing computed tomography (SCT) is a relatively new technique for the morphological and kinematic analyses of swallowing. However, no optimal scan protocols are available till date. We conducted the present SCT study to estimate the patient dose at various patient reclining positions. A RANDO phantom with a thermoluminescent dosemeter was placed on a hard Table board in a semi-reclining position at the centre and off-centre. According to predetermined scan protocols, irradiation was performed to acquire scanograms at reclining angles of 55° and 65°...
June 15, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28633174/do-us-medical-licensing-applications-treat-mental-and-physical-illness-equivalently
#6
Katherine J Gold, Elizabeth R Shih, Edward B Goldman, Thomas L Schwenk
BACKGROUND AND OBJECTIVES: State medical licensing boards are responsible for evaluating physician impairment. Given the stigma generated by mental health issues among physicians and in the medical training culture, we were interested in whether states asked about mental and physical health conditions differently and whether questions focused on current impairment. METHODS: Two authors reviewed physician medical licensing applications for US physicians seeking first-time licensing in 2013 in the 50 states and the District of Columbia...
June 2017: Family Medicine
https://www.readbyqxmd.com/read/28632990/shortening-gametes-co-incubation-time-improves-live-birth-rate-for-couples-with-a-history-of-fragmented-embryos
#7
Anne Le Bras, Laetitia Hesters, Vanessa Gallot, Cathie Tallet, Gerard Tachdjian, Nelly Frydman
Short gamete co-incubation (SGCO) consists in decreasing the duration of contact between oocytes and sperm from the standard overnight insemination (SOI) toward 2 hours. However, the effectiveness of this technique to improve in vitro fertilization and embryo transfer (IVF-ET) outcomes remains controversial. Our study was designed to evaluate the efficiency of SGCO in a poor prognosis population with a history of fragmented embryos defined by the presence of at least 50% of the embryos with more than 25% of cytoplasmic fragments...
June 20, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28632980/are-you-interested-in-joining-the-baccn-national-board
#8
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Nursing in Critical Care
https://www.readbyqxmd.com/read/28632830/-declaration-of-the-chilean-academy-of-medicine-of-law-20-850-on-clinical-trials-of-pharmaceutical-products-and-medical-devices-and-of-the-bylaw-that-will-regulate-its-application
#9
Gloría López, Gloría Valdés, Emilio Roessler, Vicente Valdivieso
In Chile, high cost treatments required by selected medical conditions are financed by the State, according to Law 20.850. A bylaw under discussion by the Senate regulates clinical trials, posing complex issues that will endanger local interest in front-line research: 1) The exclusive and mandatory control bestowed to the Institute of Public Health during all stages of the trials and also the surveillance of institutions performing clinical trials, overriding their Clinical Research Review Boards; 2) The 10 year period during which any adverse event is assumed to have been caused by the medication or devise evaluated by the trial, unless the contrary is proven in a judicial process; 3) Individuals submitted to the trials are entitled to free post trial access to the treatment received during the study, financed by the trial supporting entities and as long as the drug or devise is considered to be useful...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28632795/sun-protection-for-infants-parent-behaviors-and-beliefs-in-miami-florida
#10
Fleta N Bray, Sebastian H Verne, Jessica Cervantes, Alexandra Balaban, Eric R Bray, Brian J Simmons, Keyvan Nouri
Children who are not adequately protected from the sun have an increased risk for developing skin cancers later in life. The primary objective of this study was to determine the sun protection behaviors that black and Hispanic parents in Miami, Florida, employ in infants younger than 6 months. Secondary objectives included determining if this patient population is at risk for infant sunburns and tanning, beliefs among parents regarding sunscreen's efficacy in the prevention of skin cancers, and limitations of sunscreen use...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632632/new-diplomates-american-board-of-anesthesiology%C3%A2-spring-2017
#11
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Anesthesiology
https://www.readbyqxmd.com/read/28632604/reassessing-the-anatomic-origin-of-the-juvenile-nasopharyngeal-angiofibroma
#12
Colin D McKnight, Hemant A Parmar, Kuanwong Watcharotone, Suresh K Mukherji
OBJECTIVE: A modern imaging review is necessary to further define the anatomic origin of the juvenile nasopharyngeal angiofibroma. METHODS: After institutional review board approval, a search from January 1998 to January 2013 yielded 33 male patients (aged 10-23 years) with pathologically proven juvenile nasopharyngeal angiofibroma lesions, as well as pretreatment computed tomography/magnetic resonance imaging. Juvenile nasopharyngeal angiofibroma involvement was assessed in the following regions: sphenopalatine foramen, pterygopalatine fossa, vidian canal, nasopharynx, nasal cavity, sphenoid sinus, choana, pterygomaxillary fissure/masticator space, orbit, and sphenoid bone...
June 20, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28632577/outcome-of-pediatric-forearm-fracture-reductions-performed-by-pediatric-emergency-medicine-providers-compared-with-reductions-performed-by-orthopedic-surgeons-a-retrospective-cohort-study
#13
Donna Milner, Ernest Krause, Karen Hamre, Andrew Flood
OBJECTIVE: The aim of this study was to describe the outcome differences between board-certified orthopedists and pediatric emergency medicine (PEM) physicians conducting forearm fracture reductions. METHODS: We performed an analysis of patients between 1 and 14 years of age who presented to the emergency department (ED) with a forearm fracture requiring reduction. Data collected included reducing provider (PEM or orthopedist) and prereduction, postreduction, and follow-up fracture angles and displacements of both radius and ulna...
June 20, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28632531/a-descriptive-survey-of-anesthesiology-residency-simulation-programs-how-are-programs-preparing-residents-for-the-new-american-board-of-anesthesiology-applied-certification-examination
#14
Robert S Isaak, Fei Chen, Harendra Arora, Susan M Martinelli, David A Zvara, Marjorie P Stiegler
BACKGROUND: Anesthesiology residency programs may need new simulation-based programs to prepare residents for the new Objective Structured Clinical Examination (OSCE) component of the American Board of Anesthesiology (ABA) Primary Certification process. The design of such programs may require significant resources, including faculty time, expertise, and funding, as are currently needed for structured oral examination (SOE) preparation. This survey analyzed the current state of US-based anesthesiology residency programs regarding simulation-based educational programming for SOE and OSCE preparation...
June 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28632425/factors-influencing-occupational-therapists-decision-to-supervise-fieldwork-students
#15
Joscelyn Varland, Elizabeth Cardell, Jeanette Koski, Molly McFadden
The purpose of this study was to identify factors that influence the decision to supervise a Level II occupational therapy fieldwork student. A survey was sent to occupational therapists identified from licensure boards and alumni rosters, including those who have and have not supervised students (n = 548). The results identified both positive and negative influences along with predictive factors of supervising a student. While positive factors included continuing education units, education on fieldwork expectations, their own fieldwork experiences, shared supervision, and access to educational resources, negative influences consisted of: job responsibilities, caseload, productivity standards, working part-time, and fear of failing a student...
June 20, 2017: Occupational Therapy in Health Care
https://www.readbyqxmd.com/read/28632176/the-ship-movement-trajectory-prediction-algorithm-using-navigational-data-fusion
#16
Piotr Borkowski
It is essential for the marine navigator conducting maneuvers of his ship at sea to know future positions of himself and target ships in a specific time span to effectively solve collision situations. This article presents an algorithm of ship movement trajectory prediction, which, through data fusion, takes into account measurements of the ship's current position from a number of doubled autonomous devices. This increases the reliability and accuracy of prediction. The algorithm has been implemented in NAVDEC, a navigation decision support system and practically used on board ships...
June 20, 2017: Sensors
https://www.readbyqxmd.com/read/28632099/how-working-with-a-helpful-versus-less-helpful-confederate-influences-joint-action-in-a-pegboard-task
#17
Sara Scharoun, Adam Mintz, Cheryl M Glazebrook, Eric Roy, Dave Gonzalez
Actors change their movement strategies to complement a coactor's movements when performing cooperative tasks. To further investigate this topic, the authors designed a pegboard task whereby a participant-confederate pair worked together to move a peg from one side of the board to the other. The authors examined how the experience of working with a helpful confederate versus less helpful confederate influenced the participant's movement behavior. Results provide evidence that participants change their movement behaviors in response to the actions of the confederate...
March 1, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28632052/motor-unit-firing-frequency-of-lower-limb-muscles-during-an-incremental-slide-board-skating-test
#18
Tatiane Piucco, Rodrigo Bini, Masanori Sakaguchi, Fernando Diefenthaeler, Darren Stefanyshyn
This study investigated how the combination of workload and fatigue affected the frequency components of muscle activation and possible recruitment priority of motor units during skating to exhaustion. Ten male competitive speed skaters performed an incremental maximal test on a slide board. Activation of six muscles from the right leg was recorded throughout the test. A time-frequency analysis was performed to compute overall, high, and low frequency bands from the whole signal at 10, 40, 70, and 90% of total test time...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28631962/needlestick-injuries-in-interventional-radiology-are-common-and-underreported
#19
Amy R Deipolyi, Anand M Prabhakar, Sailendra Naidu, Rahmi Oklu
Purpose To determine the prevalence of and risk factors for needlesticks in interventional radiology physicians, as well as the attitudes, behaviors, and conditions that promote or interfere with reporting of these injuries. Materials and Methods A total of 3889 interventional radiologists from academic and private practice in the United States were surveyed by emailing all interventional radiologist members of the Society of Interventional Radiology, including attending-level physicians and trainees (April-August 2016)...
June 19, 2017: Radiology
https://www.readbyqxmd.com/read/28631150/low-dose-subcutaneous-ketamine-for-postoperative-pain-management-in-rwanda-a-dose-finding-study
#20
Jon Tuchscherer, William P McKay, Theogene Twagirumugabe
PURPOSE: Good pain control is not a normal part of surgical care in sub-Saharan Africa due to lack of resources. The primary objective of this study was to determine an efficacious dose of subcutaneous ketamine for postoperative pain for use in a future randomized controlled trial. METHODS: Following research ethics board and local hospital approval for this research, we obtained informed consent from 31 patients undergoing major surgery for a random walk dose-finding study...
June 19, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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