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https://www.readbyqxmd.com/read/28213602/understanding-the-epidemiology-of-avoidable-significant-harm-in-primary-care-protocol-for-a-retrospective-cross-sectional-study
#1
Brian G Bell, Stephen Campbell, Andrew Carson-Stevens, Huw Prosser Evans, Alison Cooper, Christina Sheehan, Sarah Rodgers, Christine Johnson, Adrian Edwards, Sarah Armstrong, Rajnikant Mehta, Antony Chuter, Ailsa Donnelly, Darren M Ashcroft, Joanne Lymn, Pam Smith, Aziz Sheikh, Matthew Boyd, Anthony J Avery
INTRODUCTION: Most patient safety research has focused on specialist-care settings where there is an appreciation of the frequency and causes of medical errors, and the resulting burden of adverse events. There have, however, been few large-scale robust studies that have investigated the extent and severity of avoidable harm in primary care. To address this, we will conduct a 12-month retrospective cross-sectional study involving case note review of primary care patients. METHODS AND ANALYSIS: We will conduct electronic searches of general practice (GP) clinical computer systems to identify patients with avoidable significant harm...
February 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28212835/chest-computed-tomography-signs-in-pulmonary-disease-a-pictorial-review
#2
REVIEW
Shine Raju, Subha Ghosh, Atul C Mehta
Computed tomography (CT) of the chest is one of the most important imaging modalities available to a pulmonologist. The advent of high-resolution CT of the chest has led to its increasing use. While chest radiographs are still useful as an initial test, their utility is limited in the diagnosis of lung diseases which depend on higher resolution images such as interstitial lung diseases and pulmonary vascular diseases. Several metaphorical chest CT signs have been described linking abnormal imaging patterns to lung diseases...
February 14, 2017: Chest
https://www.readbyqxmd.com/read/28212760/psoriasis-and-comorbid-diseases-implications-for-management
#3
REVIEW
Junko Takeshita, Sungat Grewal, Sinéad M Langan, Nehal N Mehta, Alexis Ogdie, Abby S Van Voorhees, Joel M Gelfand
As summarized in the first article in this continuing medical education series, the currently available epidemiologic data suggest that psoriasis may be a risk factor for cardiometabolic disease. Emerging data also suggest associations between psoriasis and other comorbidities beyond psoriatic arthritis, including chronic kidney disease, inflammatory bowel disease, hepatic disease, certain malignancies, infections, and mood disorders. Recognizing the comorbid disease burden of psoriasis is essential for ensuring comprehensive care of patients with psoriasis...
March 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28212759/psoriasis-and-comorbid-diseases-epidemiology
#4
REVIEW
Junko Takeshita, Sungat Grewal, Sinéad M Langan, Nehal N Mehta, Alexis Ogdie, Abby S Van Voorhees, Joel M Gelfand
Psoriasis is a common chronic inflammatory disease of the skin that is increasingly being recognized as a systemic inflammatory disorder. Psoriatic arthritis is a well-known comorbidity of psoriasis. A rapidly expanding body of literature in various populations and settings supports additional associations between psoriasis and cardiometabolic diseases, gastrointestinal diseases, kidney disease, malignancy, infection, and mood disorders. The pathogenesis of comorbid disease in patients with psoriasis remains unknown; however, shared inflammatory pathways, cellular mediators, genetic susceptibility, and common risk factors are hypothesized to be contributing elements...
March 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28212554/afb1-hepatocarcinogenesis-is-via-lipid-peroxidation-that-inhibits-dna-repair-sensitizes-mutation-susceptibility-and-induces-aldehyde-dna-adducts-at-p53-mutational-hotspot-codon-249
#5
Mao-Wen Weng, Hyun-Wook Lee, Bongkun Choi, Hsiang-Tsui Wang, Yu Hu, Manju Mehta, Dhimant Desai, Shantu Amin, Yi Zheng, Moon-Shong Tang
Aflatoxin B1 (AFB1) contamination in the food chain is a major cause of hepatocellular carcinoma (HCC). More than 60% of AFB1 related HCC carry p53 codon 249 mutations but the causal mechanism remains unclear. We found that 1) AFB1 induces two types of DNA adducts in human hepatocytes, AFB1-8,9-epoxide-deoxyguanosine (AFB1-E-dG) induced by AFB1-E and cyclic α-methyl-γ-hydroxy-1,N2-propano-dG (meth-OH-PdG) induced by lipid peroxidation generated acetaldehyde (Acet) and crotonaldehyde (Cro); 2) the level of meth-OH-PdG is >30 fold higher than the level of AFB1-E-dG; 3) AFB1, Acet, and Cro, but not AFB1-E, preferentially induce DNA damage at codon 249; 4) methylation at -CpG- sites enhances meth-OH-PdG formation at codon 249; and 5) repair of meth-OH-PdG at codon 249 is poor...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209529/menopausal-hormone-therapy-is-associated-with-increased-risk-of-fecal-incontinence-in-women-after-menopause
#6
Kyle Staller, Mary K Townsend, Hamed Khalili, Raaj Mehta, Francine Grodstein, William E Whitehead, Catherine A Matthews, Braden Kuo, Andrew T Chan
BACKGROUND & AIMS: Low estrogen levels could contribute to development of fecal incontinence (FI) in women after menopause by altering neuromuscular continence mechanisms. However, studies have produced conflicting results on the association between menopausal hormone therapy (MHT) and risk of FI. METHODS: We studied the association between MHT and risk of FI among 55,828 post-menopausal women (mean age 73 years) who participated in the Nurses' Health Study, enrolled since 2008, with no report of FI...
February 13, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28207868/acetylcholine-versus-cold-pressor-testing-for-evaluation-of-coronary-endothelial-function
#7
Ahmed AlBadri, Janet Wei, Puja K Mehta, Sofy Landes, John W Petersen, R David Anderson, Bruce Samuels, Babak Azarbal, Eileen M Handberg, Quanlin Li, Margo Minissian, Chrisandra Shufelt, Carl J Pepine, C Noel Bairey Merz
BACKGROUND: Assessment of coronary endothelial function with intracoronary acetylcholine (IC-Ach) provides diagnostic and prognostic data in patients with suspected coronary microvascular dysfunction (CMD), but is often not feasible due in part to the time and expertise needed for pharmacologic mixing. Cold pressor testing (CPT) is a simple and safe stimulus useful for either invasive or non-invasive endothelial function testing and myocardial perfusion imaging but has not been specifically evaluated among symptomatic women with signs of ischemic heart disease (IHD) who have no obstructive coronary artery disease (CAD)...
2017: PloS One
https://www.readbyqxmd.com/read/28204869/-corneal-cell-therapy-an-overview
#8
REVIEW
M Fuest, G Hin-Fai Yam, G Swee-Lim Peh, P Walter, N Plange, J S Mehta
In recent years, the cultivation and expansion of primary corneal cells has made significant progress. The transplantation of cultured limbal epithelial cells represents a successful and established treatment of the ocular surface. Cultivated corneal endothelial cells are undergoing a clinical trial in Japan. Stromal keratocytes can now be expanded in vitro. A wide range of stem cell sources is being tested in vitro and animal models for their possible application in corneal cell therapy. This article gives an overview of recent advancements and prevailing limitations for the use of different cell sources in the therapy of corneal disease...
February 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28199736/impact-of-hormonal-contraception-and-weight-loss-on-hdl-c-efflux-and-lipoprotein-particles-in-women-with-polycystic-ovary-syndrome
#9
Anuja Dokras, Martin Playford, Penny M Kris-Etherton, Allen R Kunselman, Christy M Stetter, Nancy I Williams, Carol L Gnatuk, Stephanie J Estes, David B Sarwer, Kelly C Allison, Christos Coutifaris, Nehal Mehta, Richard S Legro
OBJECTIVE: To study the effects of oral contraceptive pills (OCP), the first line treatment for PCOS, on HDL-C function (reverse cholesterol efflux capacity) and lipoprotein particles measured by NMR spectroscopy. DESIGN: Secondary analysis of a randomized controlled trial (OWL-PCOS) of OCP or Lifestyle (intensive lifestyle modification) or Combined (OCP+Lifestyle) treatment for 16 weeks. PATIENTS: 87 overweight/obese women with PCOS at two academic centers...
February 15, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28195097/phenotypic-expression-of-hbo-indonesia-in-two-indian-families-and-its-interaction-with-sickle-hemoglobin
#10
Amar Das Gupta, Anita Nadkarni, Pallavi Mehta, Manju Goriwale, Manisha Ramani, Pradnya Chaudhary, Vishal Mehrotra, Roshan Colah
BACKGROUND: Alpha globin chain variants are clinically significant since they directly influence the structure and function of the hemoglobin (Hb) molecules they constitute, either in combination with normal beta globin chains or with variant beta chains, thereby altering the morbidity and mortality associated with the resultant hemoglobinopathies. We describe here two unrelated families from Madhya Pradesh who had a nondeletional alpha-chain variant, HbO Indonesia (CD116 G → A). Members of one of the two families also had coinheritance of sickle hemoglobin (HbS)...
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28194069/coexistent-multiple-myeloma-and-sll-a-rare-entity
#11
Parul Tanwar, Sonal Jain, Anurag Mehta, Dinesh Bhurani, Narendra Agrawal, Rayaz Ahmed
No abstract text is available yet for this article.
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28194059/nk-t-cell-lymphoma-a-tertiary-centre-experience
#12
Neeraj Arora, Arpan Mehta, Sriram Ravichandran, Indu Arun, Rimpa Basu Achari, Anupam Chakrapani, Saurabh Jayant Bhave, Mammen Chandy, Reena Nair
Extranodal NK/T-cell lymphoma (ENKTL), nasal type, is a rare type of non-Hodgkin lymphoma that is commonly seen in East Asian countries and is associated with Epstein-Barr virus infection. This is a retrospective study where we describe nine cases of ENKTL; nasal type diagnosed and treated at our center over a period of 2 years. These cases were analyzed retrospectively for clinical presentation (age, sex, site of involvement), immunophenotype, treatment, response and toxicity profile. Sino-nasal symptoms (blocked nose, headache, epistaxis, regurgitation) were the most common presenting complaints (n = 8)...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28192412/akap-mediated-feedback-control-of-camp-gradients-in-developing-hippocampal-neurons
#13
Kirill Gorshkov, Sohum Mehta, Santosh Ramamurthy, Gabriele V Ronnett, Feng-Quan Zhou, Jin Zhang
Cyclic AMP (cAMP) and protein kinase A (PKA), classical examples of spatially compartmentalized signaling molecules, are critical axon determinants that regulate neuronal polarity and axon formation, yet little is known about micro-compartmentalization of cAMP and PKA signaling and its role in developing neurons. Here, we revealed that cAMP forms a gradient in developing hippocampal neurons, with higher cAMP levels in more distal regions of the axon compared to other regions of the cell. Interestingly, this cAMP gradient changed according to the developmental stage and depended on proper anchoring of PKA by A-kinase anchoring proteins (AKAPs)...
February 13, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28192130/ielvis-an-open-source-matlab-toolbox-for-localizing-and-visualizing-human-intracranial-electrode-data
#14
David M Groppe, Stephan Bickel, Andrew R Dykstra, Xiuyuan Wang, Pierre Mégevand, Manuel R Mercier, Fred A Lado, Ashesh D Mehta, Christopher J Honey
BACKGROUND: Intracranial electrical recordings (iEEG) and brain stimulation (iEBS) are invaluable human neuroscience methodologies. However, the value of such data is often unrealized as many laboratories lack tools for localizing electrodes relative to anatomy. To remedy this, we have developed a MATLAB toolbox for intracranial electrode localization and visualization, iELVis. NEW METHOD: iELVis uses existing tools (BioImage Suite, FSL, and FreeSurfer) for preimplant magnetic resonance imaging (MRI) segmentation, neuroimaging coregistration, and manual identification of electrodes in postimplant neuroimaging...
February 9, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28187349/influence-of-low-ph-on-continuous-anaerobic-digestion-of-waste-activated-sludge
#15
Muhammad A Latif, Chirag M Mehta, Damien J Batstone
The influence of low pH on single stage continuous anaerobic digestion was evaluated, with the goal of increasing soluble phosphorus (P) concentration to mitigate in-reactor P precipitation. This was performed at pH 5.0, 5.5, 6.0, 6.5 and 7.0 using 1 L stirred-tank mesophilic reactors fed with sewage waste activated sludge. Low pH (5.5) caused a significant (p < 0.01) increase in soluble P concentration up to 79% of the total P, while methane yield was reduced by 50%. Total volatile fatty acids and soluble chemical oxygen demand concentrations increased from 40 to 504 mg L(-1) and 600 to 2017 mg L(-1) respectively, as the pH was reduced from 7...
February 4, 2017: Water Research
https://www.readbyqxmd.com/read/28187045/apolipoprotein-l1-and-chronic-kidney-disease-risk-in-young-potential-living-kidney-donors
#16
Jayme E Locke, Deirdre Sawinski, Rhiannon D Reed, Brittany Shelton, Paul A MacLennan, Vineeta Kumar, Shikha Mehta, Roslyn B Mannon, Robert Gaston, Bruce A Julian, John J Carr, James G Terry, Meredith Kilgore, Allan B Massie, Dorry L Segev, Cora E Lewis
OBJECTIVE: The aim of this study was to develop a novel chronic kidney disease (CKD) risk prediction tool for young potential living kidney donors. SUMMARY OF BACKGROUND DATA: Living kidney donor selection practices have evolved from examining individual risk factors to a risk calculator incorporating multiple characteristics. Owing to limited long-term data and lack of genetic information, current risk tools lack precision among young potential living kidney donors, particularly African Americans (AAs)...
February 9, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28183713/vaccination-targeting-native-receptors-to-enhance-the-function-and-proliferation-of-chimeric-antigen-receptor-car-modified-t-cells
#17
Miyuki Tanaka, Haruko Tashiro, Bilal Omer, Natasha Lapteva, Jun Ando, Minhtran Ngo, Birju Mehta, Gianpietro Dotti, Paul R Kinchington, Ann M Leen, Claudia Rossig, Cliona M Rooney
PURPOSE: The multiple mechanisms used by solid tumors to suppress tumor-specific immune responses are a major barrier to the success of adoptively-transferred tumor-specific T-cells. Since viruses induce potent innate and adaptive immune responses, we hypothesized that the immunogenicity of viruses could be harnessed for the treatment of solid tumors if virus-specific T-cells (VSTs) were modified with tumor-specific chimeric antigen receptors (CARs). We tested this hypothesis using VZV-specific T-cells (VZVSTs) expressing a CAR for GD2, a disialoganglioside expressed on neuroblastoma and certain other tumors, since the live-attenuated VZV vaccine could be used for in vivo stimulation...
February 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28182207/systemic-elevation-of-proinflammatory-interleukin-18-in-human-immunodeficiency-virus-hiv-hepatitis-c-virus-hcv-coinfection-versus-hiv-or-hcv-monoinfection
#18
Rebecca T Veenhuis, Jacquie Astemborski, Michael A Chattergoon, Paige Greenwood, Marissa Jarosinski, Richard D Moore, Shruti H Mehta, Andrea L Cox
No abstract text is available yet for this article.
February 9, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28179273/radiation-free-alternative-donor-hct-for-fanconi-anemia-patients-results-from-a-prospective-multi-institutional-study
#19
Parinda A Mehta, Stella M Davies, Thomas Leemhuis, Kasiani Myers, Nancy A Kernan, Susan E Prockop, Andromachi Scaradavou, Richard J O'Reilly, David A Williams, Leslie Lehmann, Eva Guinan, David Margolis, K Scott Baker, Adam Lane, Farid Boulad
Fanconi anemia (FA) is an inherited bone marrow failure syndrome characterized by chromosomal fragility, progressive marrow failure and cancer predisposition. Hematopoietic cell transplantation (HCT) is curative for FA-related marrow failure or leukemia, but both radiation exposure during transplant and graft-versus host disease (GVHD) may increase risk of later malignancies of the head and neck and anogenital area. In this study we tested a radiation-free conditioning regimen with a T-cell depleted graft to eliminate radiation exposure and minimize early as well as late toxicities of transplant...
February 8, 2017: Blood
https://www.readbyqxmd.com/read/28176176/amplification-of-sox4-promotes-pi3k-akt-signaling-in-human-breast-cancer
#20
Gaurav A Mehta, Joel S Parker, Grace O Silva, Katherine A Hoadley, Charles M Perou, Michael L Gatza
PURPOSE: The PI3K/Akt signaling axis contributes to the dysregulation of many dominant features in breast cancer including cell proliferation, survival, metabolism, motility, and genomic instability. While multiple studies have demonstrated that basal-like or triple-negative breast tumors have uniformly high PI3K/Akt activity, genomic alterations that mediate dysregulation of this pathway in this subset of highly aggressive breast tumors remain to be determined. METHODS: In this study, we present an integrated genomic analysis based on the use of a PI3K gene expression signature as a framework to analyze orthogonal genomic data from human breast tumors, including RNA expression, DNA copy number alterations, and protein expression...
February 7, 2017: Breast Cancer Research and Treatment
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