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https://www.readbyqxmd.com/read/28229477/-why-not-you-discourses-of-widening-access-on-uk-medical-school-websites
#1
Kirsty Alexander, Tania Fahey Palma, Sandra Nicholson, Jennifer Cleland
CONTEXT: In the UK, applications to medicine from those in lower socio-economic groups remain low despite significant investments of time, interest and resources in widening access (WA) to medicine. This suggests that medical schools' core messages about WA may be working to embed or further reinforce marginalisation, rather than to combat this. Our objective was to investigate how the value of WA is communicated by UK medical schools through their websites, and how this may create expectations regarding who is 'suitable' for medicine...
February 22, 2017: Medical Education
https://www.readbyqxmd.com/read/28227206/effects-of-phase-aberration-correction-methods-on-the-minimum-variance-beamformer
#2
Gustavo R Chau, Jeremy J Dahl, Roberto J Lavarello, Gustavo R Chau, Jeremy J Dahl, Roberto J Lavarello, Gustavo R Chau, Roberto J Lavarello
The minimum variance (MV) beamformer is a method that has the potential to enhance the resolution and contrast of ultrasound images. However, it suffers from sensitivity to speed of sound errors and aberration. Although there have been several studies on the application of phase aberration correction (PAC) methods to conventional delay-and-sum (DAS) beamforming, the benefits of PAC methods in mitigating the effects of phase aberration in MV beamformed images are not well understood. A study of this type would be helpful in designing a robust beamformer based on PAC knowledge present in the literature...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226424/reward-gain-model-describes-cortical-use-dependent-plasticity
#3
Firas Mawase, Nicholas Wymbs, Shintaro Uehara, Pablo Celnik, Firas Mawase, Nicholas Wymbs, Shintaro Uehara, Pablo Celnik, Firas Mawase, Pablo Celnik, Shintaro Uehara, Nicholas Wymbs
Consistent repetitions of an action lead to plastic change in the motor cortex and cause shift in the direction of future movements. This process is known as use-dependent plasticity (UDP), one of the basic forms of the motor memory. We have recently demonstrated in a physiological study that success-related reinforcement signals could modulate the strength of UDP. We tested this idea by developing a computational approach that modeled the shift in the direction of future action as a change in preferred direction of population activity of neurons in the primary motor cortex...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223801/phytobioactive-compound-based-nanodelivery-systems-for-the-treatment-of-type-2-diabetes-mellitus-current-status
#4
REVIEW
Palanivel Ganesan, Palanisamy Arulselvan, Dong-Kug Choi
Type 2 diabetes mellitus (T2DM) is a major chronic disease that is prevalent worldwide, and it is characterized by an increase in blood glucose, disturbances in the metabolism, and alteration in insulin secretion. Nowadays, food-based therapy has become an important treatment mode for type 2 diabetes, and phytobioactive compounds have gained an increasing amount of attention to this end because they have an effect on multiple biological functions, including the sustained secretion of insulin and regeneration of pancreatic islets cells...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28220715/a-systematic-review-of-mechanisms-of-gait-speed-change-post-stroke-part-1-spatiotemporal-parameters-and-asymmetry-ratios
#5
Elizabeth C Wonsetler, Mark G Bowden
BACKGROUND: In walking rehabilitation trials, self-selected walking speed (SSWS) has emerged as the dominant outcome measure to assess walking ability. However, this measure cannot differentiate between recovery of impaired movement and compensation strategies. Spatiotemporal variables and asymmetry ratios are frequently used to quantify gait deviations and are hypothesized markers of recovery. OBJECTIVES: The purpose of this review is to investigate spatiotemporal variables and asymmetry ratios as mechanistic recovery measures in physical therapy intervention studies post-stroke...
February 21, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28218021/a-systematic-review-of-mechanisms-of-gait-speed-change-post-stroke-part-2-exercise-capacity-muscle-activation-kinetics-and-kinematics
#6
Elizabeth C Wonsetler, Mark G Bowden
BACKGROUND: Regaining locomotor ability is a primary goal in stroke rehabilitation and is most commonly measured using changes in self-selected walking speed. However, walking speed cannot identify the mechanisms by which an individual recovers. Laboratory-based mechanistic measures such as exercise capacity, muscle activation, force production, and movement analysis variables may better explain neurologic recovery. OBJECTIVES: The objectives of this systematic review are to examine changes in mechanistic gait outcomes and describe motor recovery as quantified by changes in laboratory-based mechanistic variables in rehabilitation trials...
February 20, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28214419/recommendations-for-gonadotoxicity-surveillance-in-male-childhood-adolescent-and-young-adult-cancer-survivors-a-report-from-the-international-late-effects-of-childhood-cancer-guideline-harmonization-group-in-collaboration-with-the-pancaresurfup-consortium
#7
REVIEW
Roderick Skinner, Renee L Mulder, Leontien C Kremer, Melissa M Hudson, Louis S Constine, Edit Bardi, Annelies Boekhout, Anja Borgmann-Staudt, Morven C Brown, Richard Cohn, Uta Dirksen, Alexsander Giwercman, Hiroyuki Ishiguro, Kirsi Jahnukainen, Lisa B Kenney, Jacqueline J Loonen, Lilian Meacham, Sebastian Neggers, Stephen Nussey, Cecilia Petersen, Margarett Shnorhavorian, Marry M van den Heuvel-Eibrink, Hanneke M van Santen, William H B Wallace, Daniel M Green
Treatment with chemotherapy, radiotherapy, or surgery that involves reproductive organs can cause impaired spermatogenesis, testosterone deficiency, and physical sexual dysfunction in male pubertal, adolescent, and young adult cancer survivors. Guidelines for surveillance and management of potential adverse effects could improve cancer survivors' health and quality of life. Surveillance recommendations vary considerably, causing uncertainty about optimum screening practices. This clinical practice guideline recommended by the International Late Effects of Childhood Cancer Guideline Harmonization Group in collaboration with the PanCareSurFup Consortium, developed using evidence-based methodology, critically synthesises surveillance recommendations for gonadotoxicity in male childhood, adolescent, and young adult (CAYA) cancer survivors...
February 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28213925/rotator-cuff-disease-opinion-regarding-surgical-criteria-and-likely-outcome
#8
Alison Thorpe, Mark Hurworth, Peter O'Sullivan, Tim Mitchell, Anne Smith
BACKGROUND: Clinical guidelines for the management of rotator cuff disease are not clear. Surgeon surveys in the USA and UK lack agreement regarding surgical indications. Physical examination tests aid surgical decision-making but also lack robust evidence. Study aims were to evaluate: Western Australian orthopaedic surgeons' perceptions about surgical indications; utility of physical examination tests; findings at surgery predictive of outcome and surgeon opinion of a successful surgical outcome...
February 17, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28213100/effect-of-processing-conditions-of-dicalcium-phosphate-cements-on-graft-resorption-and-bone-formation
#9
Zeeshan Sheikh, Yu Ling Zhang, Faleh Tamimi, Jake Barralet
Dicalcium phosphate cements (brushite and monetite) are resorbable biomaterials with osteoconductive potential for bone repair and regeneration that have yet to gain widespread commercial use. Brushite can be converted to monetite by heat treatments additionally resulting in various changes in the physico-chemical properties. However, since conversion is most commonly performed using autoclave sterilisation (wet heating), it is uncertain whether the properties observed for monetite as a result of heating brushite under dry conditions affect resorption and bone formation favourably...
February 14, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28211291/a-biomechanical-analysis-of-tibial-acl-reconstruction-with-graft-length-mismatch
#10
Evan B Gaines, Diana Lau, Qais Naziri, Westley Hayes, Julio J Jauregui, Bhaveen H Kapadia, William P Urban, Bashir A Zikria
INTRODUCTION: The incidence of graft length mismatch (GLM) during anterior cruciate ligament (ACL) reconstruction is reported to be up to 13%, with a rate of 20% when using bone-patellar tendon-bone (BPTB) allografts. Multiple techniques have been described to accommodate for the longer BPTB graft. As no study has compared the biomechanical properties of these methods (with cyclic loading), we evaluated the strength of four different surgical techniques used to accommodate for GLM during ACL reconstruction...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28210969/host-tissue-response-by-the-expression-of-collagen-to-cyanoacrylate-adhesives-used-in-implant-fixation-for-abdominal-hernia-repair
#11
Gemma Pascual, Marta Rodríguez, Bárbara Pérez-Köhler, Claudia Mesa-Ciller, Mar Fernández-Gutiérrez, Julio San Román, Juan M Bellón
The less traumatic use of surgical adhesives rather than sutures for mesh fixation in hernia repair has started to gain popularity because they induce less host tissue damage and provoke less postoperative pain. This study examines the host tissue response to a new cyanoacrylate (CA) adhesive (n-octyl, OCA). Partial defects (3 × 5 cm) created in the rabbit anterior abdominal wall were repaired by mesh fixation using OCA, Glubran2(®)(n-butyl-CA), Ifabond(®)(n-hexyl-CA) or sutures. Samples were obtained at 14/90 days for morphology, collagens qRT-PCR/immunofluorescence and biomechanical studies...
April 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28207434/leveraging-information-from-genetic-risk-scores-of-coronary-atherosclerosis
#12
Themistocles L Assimes, Elias L Salfati, Liana C Del Gobbo
PURPOSE OF REVIEW: Genome-wide association studies (GWAS) have identified ∼60 loci for coronary artery disease (CAD). Through genetic risk scores (GRSs), investigators are leveraging this genomic information to gain insights on both the fundamental mechanisms driving these associations as well as their utility in improving risk prediction. RECENT FINDINGS: GRSs of CAD track with the earliest atherosclerosis lesions in the coronary including fatty streaks and uncomplicated raised lesions...
February 14, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28205478/scaphotrapeziotrapezoidal-joint-osteoarthritis-a-systematic-review-of-surgical-treatment
#13
Victoria M Deans, Zafar Naqui, Lindsay T S W Muir
BACKGROUND: The management of scaphotrapeziotrapezoidal (STT) joint osteoarthritis (OA) remains controversial. This systematic review aims to review the evidence for surgical interventions specific to STT OA. METHODS: Medline and Embase libraries were searched using a pre-defined search strategy in October 2014. All study designs and languages were included and evaluated by two reviewers (VMD and LM) against the inclusion/exclusion criteria. The study eligibility criteria included papers discussing surgical treatment of STT OA, and the review was conducted using the PRISMA guidelines...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28197275/cardiac-resynchronization-therapy-leads-to-improvements-in-handgrip-strength
#14
David R Warriner, Patricia Lawford, Paul J Sheridan
BACKGROUND: A reduction in skeletal muscle performance measured by handgrip strength is common in heart failure. No trial has investigated the role of cardiac resynchronization therapy, which leads to improvements in cardiac performance, on the function of skeletal muscle in patients with heart failure. METHODS: Nineteen patients were recruited, 18 male, age 69 ± 8 years, New York Heart Association class II-IV, QRS duration 173 ± 21 ms and left ventricular ejection fraction 26±8%...
June 2016: Cardiology Research
https://www.readbyqxmd.com/read/28192724/enhancing-ammonium-oxidizing-bacteria-activity-was-key-to-single-stage-partial-nitrification-anammox-system-treating-low-strength-sewage-under-intermittent-aeration-condition
#15
Yuanyuan Miao, Liang Zhang, Baikun Li, Qian Zhang, Simeng Wang, Yongzhen Peng
Intermittent aeration and bio-augmentation were integrated to enhance single-stage partial nitrification-anammox (SPN/A) stability over 235-day operational period treating low-strength sewage. The effect of bio-augmentation sludge (with different abundances of ammonium oxidizing bacteria (AOB) and nitrite oxidizing bacteria (NOB)) was determined. Partial nitrification sludge based bio-augmentation increased the total nitrogen (TN) removal efficiency from 29.1% to 70%, followed by the nitrification sludge (from 38...
January 27, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28192214/immune-recognition-surface-construction-of-mycobacterium-tuberculosis-epitope-specific-antibody-responses-in-tuberculosis-patients-identified-by-peptide-microarrays
#16
REVIEW
Davide Valentini, Martin Rao, Giovanni Ferrara, Marc Perkins, Ernest Dodoo, Alimuddin Zumla, Markus Maeurer
BACKGROUND: Understanding of humoral immune responses in tuberculosis (TB) is gaining interest, since B-cells and antibodies may be important in diagnosis as well as protective immune responses. High-content peptide microarrays (HCPM) are highly precise and reliable for gauging specific antibody responses to pathogens, as well as autoantigens. METHODS: An HCPM comprising epitopes spanning 154 proteins of Mycobacterium tuberculosis was used to gauge specific IgG antibody responses in sera of TB patients from Africa and South America...
February 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28188865/predicting-organic-food-consumption-a-meta-analytic-structural-equation-model-based-on-the-theory-of-planned-behavior
#17
REVIEW
Andrea Scalco, Stefano Noventa, Riccardo Sartori, Andrea Ceschi
During the last decade, the purchase of organic food within a sustainable consumption context has gained momentum. Consequently, the amount of research in the field has increased, leading in some cases to discrepancies regarding both methods and results. The present review examines those works that applied the theory of planned behavior (TPB; Ajzen, 1991) as a theoretical framework in order to understand and predict consumers' motivation to buy organic food. A meta-analysis has been conducted to assess the strength of the relationships between attitude, subjective norms, perceived behavioral control, and intention, as well as between intention and behavior...
February 7, 2017: Appetite
https://www.readbyqxmd.com/read/28187805/the-history-of-neurocritical-care
#18
E F M Wijdicks
Critical care medicine came into sharp focus in the second part of the 20th century. The care of acutely ill neurologic patients in the USA may have originated in postoperative neurosurgical units, but for many years patients with neurocritical illness were admitted to intensive care units next to patients with general medical or surgical conditions. Neurologists may have had their first exposure to the complexity of neurocritical care during the poliomyelitis epidemics, but few were interested. Much later, the development of neurocritical care as a legitimate subspecialty was possible as a result of a new cadre of neurologists, with support by departments of neurosurgery and anesthesia, who appreciated their added knowledge and expertise in care of acute neurologic illness...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28187295/functionalization-of-cellulose-nanocrystals-for-advanced-applications
#19
Juntao Tang, Jared Sisler, Nathan Grishkewich, Kam Chiu Tam
Replacing the widespread use of petroleum-derived non-biodegradable materials with green and sustainable materials is a pressing challenge that is gaining increasing attention by the scientific community. One such system is cellulose nanocrystal (CNC) derived from acid hydrolysis of cellulosic materials, such as plants, tunicates and agriculture biomass. The utilization of colloidal CNCs can aid in the reduction of carbon dioxide that is responsible for global warming and climate change. CNCs are excellent candidates for the design and development of functional nanomaterials in many applications due to several attractive features, such as high surface area, hydroxyl groups for functionalization, colloidal stability, low toxicity, chirality and mechanical strength...
May 15, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28185951/evaluation-of-slice-dithered-enhanced-resolution-simultaneous-multislice-slider-sms-for-human-fmri
#20
An T Vu, Alex Beckett, Kawin Setsompop, David A Feinberg
High isotropic resolution fMRI is challenging primarily due to long repetition times (TR) and insufficient SNR, especially at lower field strengths. Recently, Simultaneous Multi-Slice (SMS) imaging with blipped-CAIPI has substantially reduced scan time and improved SNR efficiency of fMRI. Similarly, super-resolution techniques utilizing sub- voxel spatial shifts in the slice direction have increased both resolution and SNR efficiency. Here we demonstrate the synergistic combination of SLIce Dithered Enhanced Resolution (SLIDER) and SMS for high-resolution, high-SNR whole brain fMRI in comparison to standard resolution fMRI data as well as high-resolution data...
February 6, 2017: NeuroImage
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