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https://www.readbyqxmd.com/read/28922905/kidney-vouchers-and-inequity-in-transplantation
#1
Samuel J Kerstein
This article probes the voucher program from an ethical perspective. It focuses mainly on an issue of inequity. A disparity exists in US kidney transplantation. Although African-Americans suffer far higher rates of ESRD than whites, African-Americans are much less likely than whites to get a transplant (Ilori et al., 2015, 1). The article explores the voucher program in light of this disparity. It motivates the view that, at least in the short term, more whites than African-Americans are likely to take advantage of the voucher program...
October 1, 2017: Journal of Medicine and Philosophy
https://www.readbyqxmd.com/read/28922884/a-single-institution-experience-with-pineal-region-tumors-50-tumors-over-1-decade
#2
Isaac Josh Abecassis, Brian Hanak, Jason Barber, Martin Mortazavi, Richard G Ellenbogen
BACKGROUND: Pineal region tumors are rare intracranial tumors that are more common in children than adults. Surgical management of tumors in this region using a tailored approach is a strategy that enhances extent of resection and neurological outcome. OBJECTIVE: To review our institutional experience with pineal region tumors in children and adults over the past 10 years. METHODS: Our institutional pathology database and patient records were retrospectively reviewed for details regarding clinical and radiological presentation, surgical management, extent of resection, morbidity, and neurological outcome...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922880/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#3
Blake Harrison Priddy, Cristian Ferrareze Nunes, Andre Beer-Furlan, Ricardo Carrau, Iacopo Dallan, Daniel Monte-Serrat Prevedello
BACKGROUND: In the last decade, endoscopic skull base surgery has significantly developed and generated a plethora of techniques and approaches for access to the cranial ventral floor. However, the exploration for the least-aggressive, maximally efficient approach continues. OBJECTIVE: To describe in detail an anatomical study, along with the technical nuances of a novel endoscopic approach to Meckel's Cave (MC) using a lateral transorbital (LTO) route. METHODS: Eighteen orbits of injected cadaveric specimens were operated on, using an endoscopic LTO approach to MC, middle cranial fossa, and paramedian skull base preserving the orbital rim...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922877/use-of-a-polytetrafluoroethylene-coated-vascular-plug-for-focal-intracranial-parent-vessel-sacrifice-for-fusiform-aneurysm-treatment
#4
Andrew P Carlson, Mohammad Abbas, Patricia Hall, Christopher Taylor
BACKGROUND: Fusiform intracranial aneurysms are challenging due to the circumferential nature of the disease. Endovascular parent vessel sacrifice with coils may be a treatment option, but typically requires a long vessel segment to induce complete cessation of flow. OBJECTIVE:   We evaluate early clinical experience with the intracranial use of the microvascular plug (MVP; Medtronic, Dublin, Ireland) device and to compare to previous coil-only techniques for vertebral artery sacrifice for fusiform vertebral aneurysm...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922847/germline-msh6-mutation-in-a-patient-with-two-independent-primary-glioblastomas
#5
Linda M Forsström, Koichiro Sumi, Markus J Mäkinen, Ji Eun Oh, Riitta Herva, Paul Kleihues, Hiroko Ohgaki, Lauri A Aaltonen
We previously reported a patient who had developed 2 glioblastomas at the age of 54 and 64 years, respectively. The first glioblastoma in the right frontal lobe was treated with surgery and radiotherapy. Ten years later, the patient developed a second, left frontal glioblastoma. Discordant patterns of TP53 and PTEN mutations suggested that the second tumor was not a recurrence but an independently developed glioblastoma. To determine the molecular mechanism underlying this enigmatic case with 10-year survival, we performed whole-exome sequencing...
October 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28922820/justifying-british-advertising-in-war-and-austerity-1939-51
#6
Philippa Haughton
Drawing together institutional papers, the trade- and national-press, and Mass-Observation documents, this article examines the changing ways that the Advertising Association justified commercial advertising from 1939 to 1951. It argues that the ability to repeatedly re-conceptualize the social and economic purposes of advertising was central to the industry's survival and revival during the years of war and austerity. This matters because the survival and revival of commercial advertising helps to explain the composition of the post-war mixed economy and the emergence of a consumer culture that became the 'golden age' of capitalism...
September 1, 2017: 20 Century British History
https://www.readbyqxmd.com/read/28922811/a-programme-to-create-short-course-chemotherapy-for-pulmonary-mycobacterium-avium-disease-based-on-pharmacokinetics-pharmacodynamics-and-mathematical-forecasting
#7
Devyani Deshpande, Shashikant Srivastava, Tawanda Gumbo
Objectives: Pulmonary Mycobacterium avium complex (MAC) prevalence is on the rise worldwide. The average therapy duration is 1.5 years, which is associated with poor cure rates. Our objective was to develop a programme to design a combination therapy regimen for pulmonary MAC to be administered for 6 months or less with efficacy in > 90% of patients. Methods: We performed a literature search for the following MeSH headings 'Mycobacterium avium' AND 'pharmacokinetics/pharmacodynamics' in PubMed up to 2016...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28922786/relapse-free-survival-as-a-surrogate-for-overall-survival-in-the-evaluation-of-stage-ii-iii-melanoma-adjuvant-therapy
#8
Stefan Suciu, Alexander M M Eggermont, Paul Lorigan, John M Kirkwood, Svetomir N Markovic, Claus Garbe, David Cameron, Srividya Kotapati, Tai-Tsang Chen, Keith Wheatley, Natalie Ives, Gaetan de Schaetzen, Achmad Efendi, Marc Buyse
Background: We assessed whether relapse-free survival (RFS; time until recurrence/death) is a valid surrogate for overall survival (OS) among resected stage II-III melanoma patients through a meta-analysis of randomized controlled trials. Methods: Individual patient data (IPD) on RFS and OS were collected from 5826 patients enrolled in 11 randomized adjuvant trials comparing interferon (IFN) to observation. In addition, IPD from two studies comparing IFN and vaccination in 989 patients were included...
January 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28922784/low-fat-dietary-pattern-and-pancreatic-cancer-risk-in-the-women-s-health-initiative-dietary-modification-randomized-controlled-trial
#9
Li Jiao, Liang Chen, Donna L White, Lesley Tinker, Rowan T Chlebowski, Linda V Van Horn, Peter Richardson, Dorothy Lane, Haleh Sangi-Haghpeykar, Hashem B El-Serag
Background: Observational studies suggest that diet may influence pancreatic cancer risk. We investigated the effect of a low-fat dietary intervention on pancreatic cancer incidence. Methods: The Women's Health Initiative Dietary Modification (WHI-DM) trial is a randomized controlled trial conducted in 48 835 postmenopausal women age 50 to 79 years in the United States between 1993 and 1998. Women were randomly assigned to the intervention group (n = 19 541), with the goal of reducing total fat intake and increasing intake of vegetables, fruits, and grains, or to the usual diet comparison group (n = 29 294)...
January 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28922766/altered-accumulation-of-osa-mir171b-contributes-to-rice-stripe-virus-infection-by-regulating-disease-symptoms
#10
Aizi Tong, Quan Yuan, Shu Wang, Jiejun Peng, Yuwen Lu, Hongying Zheng, Lin Lin, Hairu Chen, Yifu Gong, Jianping Chen, Fei Yan
Viral infection affects the pattern of plant miRNA expression. It has been presumed that reduction of miR171 and several other miRNAs influences viral symptoms in plants. We here experimentally demonstrate the association of osa-miR171b with rice stripe virus (RSV) symptoms in rice. Inhibition of osa-miR171b caused stunting with reduced chlorophyll content in leaves similar to viral symptoms. Overexpression of osa-miR171b by an artificial miRNA extended vegetative growth and enhanced chlorophyll accumulation in leaves...
July 10, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28922763/chicory-r2r3-myb-transcription-factors-cimyb5-and-cimyb3-regulate-fructan-1-exohydrolase-expression-in-response-to-abiotic-stress-and-hormonal-cues
#11
Hongbin Wei, Hongbo Zhao, Tao Su, Anja Bausewein, Steffen Greiner, Karsten Harms, Thomas Rausch
In the biennial Cichorium intybus, inulin-type fructans accumulate in the taproot during the first year. Upon cold or drought exposure, fructans are degraded by fructan exohydrolases, affecting inulin yield and degree of polymerization. While stress-induced expression of 1-FEH genes has been thoroughly explored, the transcriptional network mediating these responses has remained unknown. In this study, several R2R3-MYB transcriptional regulators were analysed for their possible involvement in 1-FEH regulation via transient transactivation of 1-FEH target promoters and for in vivo co-expression with target genes under different stress and hormone treatments...
July 10, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28922740/a-conserved-dggk-motif-is-essential-for-the-function-of-the-pglb-oligosaccharyltransferase-from-campylobacter-jejuni
#12
Yasmin Barre, Harald Nothaft, Cody Thomas, Xin Liu, Jianjun Li, Kenneth K S Ng, Christine M Szymanski
In Campylobacter jejuni, the PglB oligosaccharyltransferase catalyzes the transfer of a heptasaccharide from a lipid donor to asparagine within the D/E-X1-N-X2-S/T sequon (X1,2 ≠ P) or releases this heptasaccharide as free oligosaccharides (fOS). Using available crystal structures and sequence alignments, we identified a DGGK motif near the active site of PglB that is conserved among all Campylobacter species. We demonstrate that amino acid substitutions in the aspartate and lysine residues result in loss of protein glycosylation in the heterologous Escherichia coli system...
October 1, 2017: Glycobiology
https://www.readbyqxmd.com/read/28922715/pm2-5-components-and-outpatient-visits-for-asthma-a-time-stratified-case-crossover-study-in-a-suburban-area
#13
Chau-Ren Jung, Li-Hao Young, Hui-Tsung Hsu, Ming-Yeng Lin, Yu-Cheng Chen, Bing-Fang Hwang, Perng-Jy Tsai
The effects of fine particles (PM2.5) on asthma have been widely confirmed by epidemiological research studies. However, a limited number of studies have investigated the relationship between exposure to different PM2.5 components and asthma. We characterized the PM2.5 components in a suburban site of central Taiwan and conducted a time-stratified case-crossover study to elaborate the effects of daily concentration of each PM2.5 component on asthma outpatient visits. We retrieved asthma outpatient claims for individuals less than 20 years old with a residential address in the Shalu district, Taiwan, from the National Health Insurance Research Database during 2000-2010...
September 12, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28922709/non-drainage-versus-drainage-in-tourniquet-free-knee-arthroplasty-a-prospective-trial
#14
Kai Zhou, Haoyang Wang, Jinglong Li, Duan Wang, Zongke Zhou, Fuxing Pei
BACKGROUND: It is still unknown whether drainage is necessary and non-drainage is safe and acceptable after tourniquet-free total knee arthroplasty (TKA). We aim to investigate whether non-drainage use is accepted in TKA that is performed without a tourniquet. METHODS: Clinical data of 80 adult patients who did or did not receive drainage in our centres from August 2015 to December 2015 were prospective investigated. RESULTS: The drainage group exhibited reduced hidden blood loss (47...
September 18, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28922695/strategies-for-detecting-colon-cancer-in-patients-with-inflammatory-bowel-disease
#15
REVIEW
William A Bye, Tran M Nguyen, Claire E Parker, Vipul Jairath, James E East
BACKGROUND: Patients with longstanding ulcerative colitis and colonic Crohn's disease have an increased risk of colorectal cancer (CRC) compared with the general population. This review assessed the evidence that endoscopic surveillance may prolong life by allowing earlier detection of CRC or its pre-cursor lesion, dysplasia, in patients with inflammatory bowel disease (IBD). OBJECTIVES: To assess the effectiveness of cancer surveillance programs for diagnosis of IBD-associated colorectal cancer and in reducing the mortality rate from colorectal cancer in patients with IBD...
September 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28922627/distribution-patterns-and-morphology-of-sensilla-on-the-antennae-of-plutella-xylostella-l-a-scanning-and-transmission-electron-microscopic-study
#16
Xi-Zhong Yan, Cai-Ping Deng, Jiao-Xin Xie, Lan-Jun Wu, Xue-Jun Sun, Chi Hao
The antennal morphology, types of antennal sensilla, fine structures and distributions of the sensilla in Plutella xylostella L. (Lepidoptera: Plutellidae) were studied by scanning (SEM) and transmission (TEM) electron microscopy. The antenna, scape, pedicel and flagellum were all longer in males than in females. A total of seventeen types of sensilla were identified on the antennae: trichodea (two subtypes), basiconica, coeloconica (three subtypes), Böhm's bristles (two subtypes), styloconica (two subtypes), squamiformia, auricillica, furcatea (three subtypes), cupuliform organs and terminal sensory pegs...
September 6, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28922625/living-and-dying-with-advanced-dementia-a-prospective-cohort-study-of-symptoms-service-use-and-care-at-the-end-of-life
#17
Elizabeth L Sampson, Bridget Candy, Sarah Davis, Anna Buylova Gola, Jane Harrington, Michael King, Nuriye Kupeli, Gerry Leavey, Kirsten Moore, Irwin Nazareth, Rumana Z Omar, Victoria Vickerstaff, Louise Jones
BACKGROUND: Increasing number of people are dying with advanced dementia. Comfort and quality of life are key goals of care. AIMS: To describe (1) physical and psychological symptoms, (2) health and social care service utilisation and (3) care at end of life in people with advanced dementia. DESIGN: 9-month prospective cohort study. SETTING AND PARTICIPANTS: Greater London, England, people with advanced dementia (Functional Assessment Staging Scale 6e and above) from 14 nursing homes or their own homes...
August 1, 2017: Palliative Medicine
https://www.readbyqxmd.com/read/28922623/development-of-in-house-elisa-for-detection-of-chloramphenicol-in-bovine-milk-with-subsequent-confirmatory-analysis-by-lc-ms-ms
#18
Muhammad I Chughtai, Uzma Maqbool, Mazhar Iqbal, Muhammad S Shah, Terence Fodey
This study was undertaken to develop and validate direct competitive ELISA for the determination of chloramphenicol residues in bovine milk. Antisera and an enzyme-tracer for chloramphenicol were prepared and used to develop an ELISA with inhibition concentrations, IC20 and IC50, of 0.09 and 0.44 ng mL(-1), respectively. Milk samples were spiked with standards equivalent to 0, 0.2, 0.3, 0.5, 1.0 & 1.5 ng mL(-1) and extracted in methanol. The mean recoveries were found to be 73-100% with coefficient of variance 7-11%...
September 18, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28922565/-metabolically-healthy-obesity-and-hyperuricemia-increase-risk-for-hypertension-and-diabetes-5-year-japanese-cohort-study
#19
Masanari Kuwabara, Remi Kuwabara, Ichiro Hisatome, Koichiro Niwa, Carlos A Roncal-Jimenez, Petter Bjornstad, Ana Andres-Hernando, Yuka Sato, Thomas Jensen, Gabriela Garcia, Minoru Ohno, James O Hill, Miguel A Lanaspa, Richard J Johnson
OBJECTIVE: Whether obesity without metabolic syndrome (i.e., "metabolically healthy" obesity) confers similar or less metabolic risk remains controversial. METHODS: A retrospective 5-year cohort study of 9,721 Japanese subjects (48.5 ± 10.5 years, 4,160 men) was conducted in 2004 and reevaluated 5 years later. Subjects were excluded if they were hypertensive or diabetic or were receiving medications for dyslipidemia and/or gout or hyperuricemia in 2004. Study subjects were categorized according to baseline BMI  ≥ 25 kg/m(2) (overweight/obesity) and < 25 kg/m(2) (lean/normal weight) and also whether they had metabolic syndrome...
September 18, 2017: Obesity
https://www.readbyqxmd.com/read/28922555/laser-micro-ablation-of-fibrocartilage-tissue-effects-of-tissue-processing-on-porosity-modification-and-mechanics
#20
A M Matuska, P S McFetridge
The temporomandibular joint disk (TMJd) is an extremely dense and avascular fibrocartilaginous extracellular matrix (ECM) resulting in a limited regenerative capacity. The use of decellularized TMJd as a biocompatible scaffold to guide tissue regeneration is restricted by innate subcellular porosity of the ECM that hinders cellular infiltration and regenerative events. Incorporation of an artificial microporosity through laser micro-ablation (LMA) can alleviate these cell and diffusion based limitations. In this study, LMA was performed either before or after decellularization to assess to effect of surfactant treatment on porosity modification as well as the resultant mechanical and physical scaffold properties...
September 18, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
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