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https://www.readbyqxmd.com/read/28240673/survey-of-american-college-of-surgeons-committee-on-trauma-members-on-firearm-injury-consensus-and-opportunities
#1
Deborah A Kuhls, Brendan T Campbell, Peter A Burke, Lisa Allee, Ashley Hink, Robert W Letton, Peter T Masiakos, Michael Coburn, Maria Alvi, Trudy J Lerer, Barbara A Gaines, Michael L Nance, Douglas J E Schuerer, Tina L Palmieri, James W Davis, Douglas M Geehan, James K Elsey, Beth H Sutton, Mark P McAndrew, Ronald I Gross, Donald N Reed, Donald H Van Boerum, Thomas J Esposito, Roxie M Albrecht, Babak Sarani, David S Shapiro, Katie Wiggins-Dohlvik, Ronald M Stewart
BACKGROUND: In the U.S. there is a perceived divide regarding the benefits and risks of firearm ownership. The American College of Surgeons Committee on Trauma Injury Prevention and Control Committee designed a survey to evaluate Committee on Trauma (COT) member attitudes about firearm ownership, freedom, responsibility, physician-patient freedom and policy, with the objective of using survey results to inform firearm injury prevention policy development. METHODS: A 32 question survey was sent to 254 current U...
February 24, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28239149/timing-and-nature-of-amoc-recovery-across-termination-2-and-magnitude-of-deglacial-co2-change
#2
Emily L Deaney, Stephen Barker, Tina van de Flierdt
Large amplitude variations in atmospheric CO2 were associated with glacial terminations of the Late Pleistocene. Here we provide multiple lines of evidence suggesting that the ∼20 p.p.m.v. overshoot in CO2 at the end of Termination 2 (T2) ∼129 ka was associated with an abrupt (≤400 year) deepening of Atlantic Meridional Overturning Circulation (AMOC). In contrast to Termination 1 (T1), which was interrupted by the Bølling-Allerød (B-A), AMOC recovery did not occur until the very end of T2, and was characterized by pronounced formation of deep waters in the NW Atlantic...
February 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28238934/mastectomy-and-immediate-breast-reconstruction-for-cancer-in-the-elderly-a-national-cancer-data-base-study
#3
Waleed O Gibreel, Courtney N Day, Tanya L Hoskin, Judy C Boughey, Elizabeth B Habermann, Tina J Hieken
BACKGROUND: Mastectomy with immediate breast reconstruction (M+IBR) is performed increasingly for breast cancer treatment, but whether this trend extends to the growing number of women diagnosed ≥age 65 is unknown. We studied the effects of age and comorbidities on the use and outcomes of M+IBR. STUDY DESIGN: Patients undergoing mastectomy for breast cancer were ascertained from the National Cancer Database 2004-2012. Performance of M+IBR and outcomes were compared by age group (<65 versus ≥65) and other patient and tumor factors...
January 31, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28238592/frequency-of-carcinoid-syndrome-at-neuroendocrine-tumour-diagnosis-a-population-based-study
#4
Daniel M Halperin, Chan Shen, Arvind Dasari, Ying Xu, Yiyi Chu, Shouhao Zhou, Ya-Chen Tina Shih, James C Yao
BACKGROUND: Neuroendocrine tumours (NETs) can secrete bioactive amines into the bloodstream, causing carcinoid syndrome, with symptoms including flushing and diarrhoea. However, carcinoid syndrome frequency in the NET population has never been rigorously assessed, nor has its relationship to presenting clinicopathological characteristics. This analysis assessed the proportion of patients with NETs and carcinoid syndrome in the USA and associated clinical factors. METHODS: We identified patients (≥65 years of age) from the Surveillance, Epidemiology, and End Results-Medicare database, excluding those with pancreatic tumours or small-cell or large-cell lung cancer, as well as those without complete data...
February 23, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28238556/bile-acid-sequestrants-for-glycemic-control-in-patients-with-type-2-diabetes-a-systematic-review-with-meta-analysis-of-randomized-controlled-trials
#5
Morten Hansen, David P Sonne, Kristian H Mikkelsen, Lise Lotte Gluud, Tina Vilsbøll, Filip K Knop
AIM: To evaluate the effects of bile acid sequestrants (BASs) versus placebo, no intervention or active comparators on glycemic control in type 2 diabetes. METHODS: Data were retrieved and a systematic review with meta-analyses was performed. We evaluated bias control and subgroup and sensitivity analyses were performed to evaluate heterogeneity and bias. RESULTS: We included 17 trials with a total of 2950 patients randomized to BASs (colesevelam or colestimide) versus placebo, no intervention, statins or sitagliptin...
January 24, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28237954/what-is-the-influence-of-single-entry-models-on-access-to-elective-surgical-procedures-a-systematic-review
#6
Zaheed Damani, Barbara Conner-Spady, Tina Nash, Henry Tom Stelfox, Tom W Noseworthy, Deborah A Marshall
BACKGROUND: Single-entry models (SEMs) for the management of patients awaiting elective surgical services are designed to increase access and flow through the system of care. We assessed scope of use and influence of SEMs on access (waiting times/throughput) and patient-centredness (patient/provider acceptability). METHODS: Systematic review of articles published in 6 relevant electronic databases included studies from database inception to July 2016. Included studies needed to (1) report on the nature of the SEM; (2) specify elective service and (3) address at least 1 of 3 research questions related to (1) scope of use of SEMs; (2) influence on timeliness and access; (3) patient-centredness and acceptability...
February 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28237815/antiepileptic-action-of-c-jun-n-terminal-kinase-jnk-inhibition-in-an-animal-model-of-temporal-lobe-epilepsy
#7
Tina Y Tai, Lindsay N Warner, Terrance D Jones, Sangwook Jung, Francis A Concepcion, David W Skyrud, Jason Fender, Yusha Liu, Aaron D Williams, John F Neumaier, Raimondo D'Ambrosio, Nicholas P Poolos
Several phosphorylation signaling pathways have been implicated in the pathogenesis of epilepsy arising from both genetic causes and acquired insults to the brain. Identification of dysfunctional signaling pathways in epilepsy may provide novel targets for antiepileptic therapies. We previously described a deficit in phosphorylation signaling mediated by p38 mitogen-activated protein kinase (p38 MAPK) that occurs in an animal model of temporal lobe epilepsy, and that produces neuronal hyperexcitability measured in vitro...
February 22, 2017: Neuroscience
https://www.readbyqxmd.com/read/28235409/acetazolamide-potentiates-the-anti-tumor-potential-of-hdaci-ms-275-in-neuroblastoma
#8
Reza Bayat Mokhtari, Narges Baluch, Micky Ka Hon Tsui, Sushil Kumar, Tina S Homayouni, Karen Aitken, Bikul Das, Sylvain Baruchel, Herman Yeger
BACKGROUND: Neuroblastoma (NB), a tumor of the primitive neural crest, despite aggressive treatment portends a poor long-term survival for patients with advanced high stage NB. New treatment strategies are required. METHODS: We investigated coordinated targeting of essential homeostatic regulatory factors involved in cancer progression, histone deacetylases (HDACs) and carbonic anhydrases (CAs). RESULTS: We evaluated the antitumor potential of the HDAC inhibitor (HDACi), pyridylmethyl-N-{4-[(2-aminophenyl)-carbamoyl]-benzyl}-carbamate (MS-275) in combination with a pan CA inhibitor, acetazolamide (AZ) on NB SH-SY5Y, SK-N-SH and SK-N-BE(2) cells...
February 24, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28231481/the-influence-of-personality-traits-and-emotional-and-behavioral-problems-on-repetitive-nonsuicidal-self-injury-in-a-school-sample
#9
Janine Lüdtke, Benedict Weizenegger, Rachel Rauber, Brigitte Contin, Tina In-Albon, Marc Schmid
BACKGROUND: Nonsuicidal self-injury (NSSI) is highly prevalent among adolescents and associated with various mental health problems and suicidality. Previous studies have found that certain personality traits are related to NSSI behavior, however only few studies examined personality traits in adolescents with NSSI. Our study aimed to assess the relationship between personality traits and emotional and behavioral problems in predicting repetitive NSSI among adolescents from a school sample...
February 14, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28231280/alkbh7-variant-related-to-prostate-cancer-exhibits-altered-substrate-binding
#10
Alice R Walker, Pavel Silvestrov, Tina A Müller, Robert H Podolsky, Gregory Dyson, Robert P Hausinger, Gerardo Andrés Cisneros
The search for prostate cancer biomarkers has received increased attention and several DNA repair related enzymes have been linked to this dysfunction. Here we report a targeted search for single nucleotide polymorphisms (SNPs) and functional impact characterization of human ALKBH family dioxygenases related to prostate cancer. Our results uncovered a SNP of ALKBH7, rs7540, which is associated with prostate cancer disease in a statistically significantly manner in two separate cohorts, and maintained in African American men...
February 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28229956/development-of-a-thermosensitive-hama-containing-bio-ink-for-the-fabrication-of-composite-cartilage-repair-constructs
#11
Vivian Hilda Maria Mouser, Anna Abbadessa, Riccardo Levato, Wim Hennink, Tina Vermonden, Debby Gawlitta, Jos Malda
Fine-tuning of bio-ink composition and material processing parameters is crucial for the development of biomechanically relevant cartilage constructs. This study aims to design and develop cartilage constructs with tunable internal architectures and relevant mechanical properties. More specifically, the potential of methacrylated hyaluronic acid (HAMA) added to thermosensitive hydrogels composed of methacrylated poly[N-(2-hydroxypropyl)methacrylamide mono/dilactate] (pHPMA-lac)/polyethylene glycol (PEG) triblock copolymers, to optimize cartilage-like tissue formation by embedded chondrocytes, and enhance printability was explored...
February 23, 2017: Biofabrication
https://www.readbyqxmd.com/read/28229334/specific-amyloid-binding-of-polybasic-peptides-in-vivo-is-retained-by-%C3%AE-sheet-conformers-but-lost-in-the-disrupted-coil-and-all-d-amino-acid-variants
#12
Jonathan S Wall, Angela Williams, Tina Richey, Alan Stuckey, Craig Wooliver, J Christopher Scott, Robert Donnell, Emily B Martin, Stephen J Kennel
PURPOSE: The heparin-reactive, helical peptide p5 is an effective amyloid imaging agent in mice with systemic amyloidosis. Analogs of p5 with modified secondary structure characteristics exhibited altered binding to heparin, synthetic amyloid fibrils, and amyloid extracts in vitro. Herein, we further study the effects of peptide helicity and chirality on specific amyloid binding using a mouse model of systemic inflammation-associated (AA) amyloidosis. PROCEDURES: Peptides with disrupted helical structure [p5(coil) and p5(Pro3)], with an extended sheet conformation [p5(sheet)] or an all-D enantiomer [p5(D)], were chemically synthesized, radioiodinated, and their biodistribution studied in WT mice as well as transgenic animals with severe systemic AA amyloidosis...
February 22, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28229190/mouse-genetics-2016-meeting-report
#13
REVIEW
Jordana C Bloom, Tina N Tran, Robert J Yamulla
No abstract text is available yet for this article.
February 22, 2017: Mammalian Genome: Official Journal of the International Mammalian Genome Society
https://www.readbyqxmd.com/read/28228837/heroin-induced-exodeviation-masking-a-baseline-decompensated-esophoria
#14
Tina M Hakimi, John J Chen
Heroin and other opiate intake have been shown to have various effects on the brain, including the documentation of a small number of cases of strabismus from intake and withdrawal. Prior reports of heroin have focused on its tendency to cause diplopia, especially esodeviation upon withdrawal. The authors describe a 25-year-old woman who developed double vision from a decompensated esophoria where heroin use induced an exodeviation that transiently improved her diplopia. Measurements after acute heroin use confirmed by urinalysis revealed an improvement in her decompensated esophoria, reducing the previously documented esodeviation by more than half...
February 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28228528/clinical-genetic-and-structural-basis-of-congenital-adrenal-hyperplasia-due-to-11%C3%AE-hydroxylase-deficiency
#15
Ahmed Khattab, Shozeb Haider, Ameet Kumar, Samarth Dhawan, Dauood Alam, Raquel Romero, James Burns, Di Li, Jessica Estatico, Simran Rahi, Saleel Fatima, Ali Alzahrani, Mona Hafez, Noha Musa, Maryam Razzghy Azar, Najoua Khaloul, Moez Gribaa, Ali Saad, Ilhem Ben Charfeddine, Berenice Bilharinho de Mendonça, Alicia Belgorosky, Katja Dumic, Miroslav Dumic, Javier Aisenberg, Nurgun Kandemir, Ayfer Alikasifoglu, Alev Ozon, Nazli Gonc, Tina Cheng, Ursula Kuhnle-Krahl, Marco Cappa, Paul-Martin Holterhus, Munier A Nour, Daniele Pacaud, Assaf Holtzman, Sun Li, Mone Zaidi, Tony Yuen, Maria I New
Congenital adrenal hyperplasia (CAH), resulting from mutations in CYP11B1, a gene encoding 11β-hydroxylase, represents a rare autosomal recessive Mendelian disorder of aberrant sex steroid production. Unlike CAH caused by 21-hydroxylase deficiency, the disease is far more common in the Middle East and North Africa, where consanguinity is common often resulting in identical mutations. Clinically, affected female newborns are profoundly virilized (Prader score of 4/5), and both genders display significantly advanced bone ages and are oftentimes hypertensive...
February 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28228059/evaluation-of-a-hepatitis-c-patient-management-program-at-a-university-specialty-pharmacy
#16
Michelle Zaepfel, Lisa Cristofaro, Allison Trawinski, Katharine McCarthy, Elizabeth Rightmier, Tina Khadem
BACKGROUND: The University of Rochester (UR) Specialty Pharmacy hepatitis C patient management program offers a unique advantage of being integrated within the same health system as the University of Rochester Medical Center (URMC) Gastroenterology and Hepatology division. OBJECTIVE: The primary purpose of this study was to assess treatment success through the incidence of achieving a sustained virological response (SVR) in patients served by the UR Specialty Pharmacy versus other nonintegrated pharmacies...
April 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28227065/fea-modeling-and-fluid-flow-simulation-of-human-rectum-with-inserted-bowel-catheters
#17
Yong Zhang, Tina VanRiper, Brian Rague, Drew Weidman, Yong Zhang, Tina VanRiper, Brian Rague, Drew Weidman, Tina VanRiper, Drew Weidman, Brian Rague, Yong Zhang
In this project, fluid flow and fluid-structure interaction are studied for the human lower gastrointestinal (GI) region. The study consists of two steps. First, we apply meshing methods to discretize both the human lower GI model and the catheter model at sufficient resolution suitable for importing into a Finite Element Analysis (FEA) tool. For model discretization, 3D models of the colon reconstructed from human MRI slices are used to obtain the valid inlet and outlet boundary surfaces. To resolve the viscous boundary layer in flow studies, a special structure of the near-wall volumetric mesh is built by triangular prisms that construct quasi-structured, multiple near-boundary sub-layers...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225760/reconstitution-of-the-tubular-endoplasmic-reticulum-network-with-purified-components
#18
Robert E Powers, Songyu Wang, Tina Y Liu, Tom A Rapoport
Organelles display characteristic morphologies that are intimately tied to their cellular function, but how organelles are shaped is poorly understood. The endoplasmic reticulum is particularly intriguing, as it comprises morphologically distinct domains, including a dynamic network of interconnected membrane tubules. Several membrane proteins have been implicated in network formation, but how exactly they mediate network formation and whether they are all required are unclear. Here we reconstitute a dynamic tubular membrane network with purified endoplasmic reticulum proteins...
February 22, 2017: Nature
https://www.readbyqxmd.com/read/28224647/electrical-impedance-myography-eim-in-individuals-with-col6-and-lama2-congenital-muscular-dystrophy-a-cross-sectional-and-two-year-analysis
#19
Carmel Nichols, Minal S Jain, Katherine G Meilleur, Tianxia Wu, James Collins, Melissa R Waite, Jahannaz Dastgir, Anam Salman, Sandra Donkervoort, Tina Duong, Katherine Keller, Meganne E Leach, Donovan J Lott, Michelle N McGuire, Leslie Nelson, Anne Rutkowski, Carole Vuillerot, Carsten G Bönnemann, Tanya J Lehky
INTRODUCTION: Electrical impedance myography (EIM) is a non-invasive electrophysiological technique that characterizes muscle properties through bioimpedance. We compared EIM measurements to function, strength, and disease severity in a population with congenital muscular dystrophy (CMD). METHODS: Forty-one patients with CMD, either collagen 6 related disorders (COL6-RD) (n = 21) or laminin alpha 2-related disorders (LAMA2-RD) (n = 20) and 21 healthy pediatric controls underwent 2 yearly EIM exams...
February 22, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28224634/pepsin-as-a-biomarker-for-laryngopharyngeal-reflux-in-children-with-laryngomalacia
#20
Kendra Luebke, Tina L Samuels, Thomas H Chelius, Cecille G Sulman, Michael E McCormick, Joseph E Kerschner, Nikki Johnston, Robert H Chun
OBJECTIVES/HYPOTHESIS: Laryngomalacia is a common cause of newborn stridor. Laryngopharyngeal reflux (LPR) has been associated with laryngomalacia. Although pepsin, a component of LPR, has been associated with inflammatory diseases of the aerodigestive tract, its presence in the airways of laryngomalacia patients is unknown. STUDY DESIGN: Prospective case-control study comparing patients under age 3 years with laryngomalacia to children without laryngomalacia. METHODS: Children less than 3 years old undergoing supraglottoplasty for laryngomalacia or surgery unrelated to the airway, without a history of laryngomalacia, reflux, or respiratory disease, were offered enrollment...
February 22, 2017: Laryngoscope
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