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https://www.readbyqxmd.com/read/27926553/omission-of-adjuvant-chemotherapy-is-associated-with-increased-mortality-in-patients-with-t3n0-colon-cancer-with-inadequate-lymph-node-harvest
#1
Katerina O Wells, Alexander T Hawkins, Devi M Krishnamurthy, Sekhar Dharmarajan, Sean C Glasgow, Steven R Hunt, Matthew G Mutch, Paul Wise, Matthew L Silviera
BACKGROUND: Adjuvant chemotherapy for T3N0 colon cancer is controversial. National guidelines recommend its use in patients with stage II with high-risk features, including lymph node harvest of less than 12, yet this treatment is underused. OBJECTIVE: The purpose of this study was to demonstrate that the use of adjuvant chemotherapy in patients with T3N0 adenocarcinoma with inadequate lymph node harvest is beneficial. DESIGN: This was a retrospective population-based study of patients with resected T3N0 adenocarcinoma of the colon...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27923970/an-exploratory-study-of-the-impact-of-gender-on-health-behavior-among-african-american-and-latino-men-with-type-2-diabetes
#2
Jaclynn Hawkins, Daphne C Watkins, Edith Kieffer, Michael Spencer, Gretchen Piatt, Emily J Nicklett, Alana Lebron, Nicolaus Espitia, Gloria Palmisano
This study explores gender values and beliefs among Latino and African American men with diabetes and examines how these values and beliefs may influence their health behaviors. Participants were recruited from individuals who participated in one of three Racial and Ethnic Approaches to Community Health Detroit Partnership diabetes self-management interventions. One focus group was conducted with African American men (n = 10) and two focus groups were conducted with Latino men (n = 12) over a 3-month period...
December 5, 2016: American Journal of Men's Health
https://www.readbyqxmd.com/read/27922064/ancient-tortoise-hunting-in-the-southwest-pacific
#3
Stuart Hawkins, Trevor H Worthy, Stuart Bedford, Matthew Spriggs, Geoffrey Clark, Geoff Irwin, Simon Best, Patrick Kirch
We report the unprecedented Lapita exploitation and subsequent extinction of large megafauna tortoises (?Meiolania damelipi) on tropical islands during the late Holocene over a 281,000 km(2) region of the southwest Pacific spanning from the Vanuatu archipelago to Viti Levu in Fiji. Zooarchaeological analyses have identified seven early archaeological sites with the remains of this distinctive hornless tortoise, unlike the Gondwanan horned meiolaniid radiation to the southwest. These large tortoise radiations in the Pacific may have contributed to the rapid dispersal of early mobile Neolithic hunters throughout southwest Melanesia and on to western Polynesia...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922014/large-differences-in-regional-precipitation-change-between-a-first-and-second-2%C3%A2-k-of-global-warming
#4
Peter Good, Ben B B Booth, Robin Chadwick, Ed Hawkins, Alexandra Jonko, Jason A Lowe
For adaptation and mitigation planning, stakeholders need reliable information about regional precipitation changes under different emissions scenarios and for different time periods. A significant amount of current planning effort assumes that each K of global warming produces roughly the same regional climate change. Here using 25 climate models, we compare precipitation responses with three 2 K intervals of global ensemble mean warming: a fast and a slower route to a first 2 K above pre-industrial levels, and the end-of-century difference between high-emission and mitigation scenarios...
December 6, 2016: Nature Communications
https://www.readbyqxmd.com/read/27921207/pattern-of-venous-collateral-development-after-splenic-vein-occlusion-in-an-extended-whipple-procedure-whipple-at-the-splenic-artery-and-long-term-results
#5
Ismael Dominguez Rosado, Sanjeev Bhalla, Luis A Sanchez, Ryan C Fields, William G Hawkins, Steven M Strasberg
BACKGROUND: Extended Whipple procedures may require division of the splenic vein (SV). Controversy exists regarding the risk of sequelae of sinistral portal hypertension when the SV is ligated without reimplantation. The aim of this study was to identify postoperative venous collateral patterns and sequelae of SV ligation, as well as long-term results in an extended Whipple procedure. STUDY DESIGN: Patients who had an extended Whipple procedure (Whipple at the Splenic Artery or WATSA) were entered in an institutional database...
December 5, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27920148/epilepsy-associated-kcnq2-channels-regulate-multiple-intrinsic-properties-of-layer-2-3-pyramidal-neurons
#6
Zachary Niday, Virginia E Hawkins, Heun Soh, Daniel K Mulkey, Anastasios V Tzingounis
: KCNQ2 potassium channels are critical for normal brain function, as both loss- and gain-of-function KCNQ2 variants can lead to various forms of neonatal epilepsy. Despite recent progress, the full spectrum of consequences as a result of KCNQ2 dysfunction in neocortical pyramidal neurons is still unknown. Here, we report that conditional ablation of Kcnq2 from mouse neocortex leads to hyperexcitability of layer 2/3 (L2/3) pyramidal neurons, exhibiting an increased input resistance and action potential frequency, as well as a reduced medium afterhyperpolarization (mAHP), a conductance partly mediated by KCNQ2 channels...
December 5, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27918405/certified-registered-nurse-anesthetist-perceptions-of-factors-impacting-patient-safety
#7
Susan P McMullan, Charlotte Thomas-Hawkins, Maria R Shirey
Certified registered nurse anesthetists (CRNAs) provide more than 40 million anesthetics each year in the United States. This article describes a study that investigates relationships among CRNA organizational structures (CRNA practice models, work setting, workload, level of education, work experience), CRNA ratings of patient safety culture, and CRNA adverse anesthesia-related event (ARE) reporting. This is a cross-sectional survey study of 336 CRNAs randomly selected from American Association of Nurse Anesthetists database...
January 2017: Nursing Administration Quarterly
https://www.readbyqxmd.com/read/27916436/utility-of-a-multidisciplinary-tumor-board-in-the-management-of-pancreatic-and-upper-gastrointestinal-diseases-an-observational-study
#8
David G Brauer, Matthew S Strand, Dominic E Sanford, Vladimir M Kushnir, Kian-Huat Lim, Daniel K Mullady, Benjamin R Tan, Andrea Wang-Gillam, Ashley E Morton, Marianna B Ruzinova, Parag J Parikh, Vamsi R Narra, Kathryn J Fowler, Majella B Doyle, William C Chapman, Steven S Strasberg, William G Hawkins, Ryan C Fields
BACKGROUND & OBJECTIVES: Multidisciplinary tumor boards (MDTBs) are frequently employed in cancer centers but their value has been debated. We reviewed the decision-making process and resource utilization of our MDTB to assess its utility in the management of pancreatic and upper gastrointestinal tract conditions. METHODS: A prospectively-collected database was reviewed over a 12-month period. The primary outcome was change in management plan as a result of case discussion...
December 1, 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/27909809/announcing-cimpact-now-the-consortium-to-inform-molecular-and-practical-approaches-to-cns-tumor-taxonomy
#9
EDITORIAL
David N Louis, Ken Aldape, Daniel J Brat, David Capper, David W Ellison, Cynthia Hawkins, Werner Paulus, Arie Perry, Guido Reifenberger, Dominique Figarella-Branger, Pieter Wesseling, Tracy T Batchelor, J Gregory Cairncross, Stefan M Pfister, Stefan Rutkowski, Michael Weller, Wolfgang Wick, Andreas von Deimling
No abstract text is available yet for this article.
December 1, 2016: Acta Neuropathologica
https://www.readbyqxmd.com/read/27903209/incidence-and-cost-of-stress-ulcer-prophylaxis-after-discharge-from-the-intensive-care-unit-a-retrospective-study
#10
Benedict Tan, Richard Norman, Ed Litton, Chloe Heath, David J Hawkins, Ravi Krishnamurthy, Ravikiran Sonawane, Matthew H Anstey
OBJECTIVE: To describe current patterns in initiation and cessation of proton pump inhibitors (PPIs) for stress ulcer prophylaxis (SUP) in intensive care units, and to assess the costs associated with inappropriate (non-evidence-based) SUP. DESIGN, SETTING AND PARTICIPANTS: Retrospective observational study in five ICUs in Western Australia. We assessed the medical records of consecutive patients admitted to the ICUs between September 2013 and January 2015. Patients aged < 18 years were excluded...
December 2016: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/27899382/a-metastatic-mouse-model-identifies-genes-that-regulate-neuroblastoma-metastasis
#11
Bo Kyung Alex Seong, Kelly E Fathers, Robin M Hallett, Christina K Yung, Lincoln D Stein, Samar Mouaaz, Lynn Kee, Cynthia Hawkins, Meredith S Irwin, David R Kaplan
Metastatic relapse is the major cause of death in pediatric neuroblastoma (NB), where there remains a lack of therapies to target this stage of disease. To understand the molecular mechanisms mediating NB metastasis, we developed a mouse model using intracardiac injection and in vivo selection to isolate malignant cell subpopulations with a higher propensity for metastasis to bone and the central nervous system. Gene expression profiling revealed primary and metastatic cells as two distinct cell populations defined by differential expression 412 genes and multiple pathways, including CADM1, SPHK1 and YAP/TAZ whose expression independently predicted survival...
November 29, 2016: Cancer Research
https://www.readbyqxmd.com/read/27896763/multiplex-single-nucleotide-polymorphism-analyses
#12
Steve F C Hawkins, Paul C Guest
Quantitative polymerase chain reaction (qPCR) is a routinely used method for detection and quantitation of gene expression in real time. This is achieved through the incorporation and measurement of fluorescent reporter probes in the amplified cDNA strands, since the fluorescent signals increase as the reaction progresses. The availability of multiple probes that fluoresce at different wavelengths allows for multiplexing as this gives rise to amplicons with unique fluorescent signatures. Here, we describe a method using the SensiFAST and SensiFAST One-Step probe kits which allows simultaneous real-time quantitation of up to 5 amplicons...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896762/multiplex-analysis-using-cdna-transcriptomic-profiling
#13
Steve F C Hawkins, Paul C Guest
DNA microarrays contain microscopic DNA spots attached to a solid surface. Each spot contains picomolar levels of a specific DNA probe sequence and hybridization to the corresponding gene products can be detected and quantitated through the use of fluorescently labeled target DNA. In this format, DNA microarrays can be used to measure the expression level of thousands of genes in a single experiment. Here, we present a method to detect the mRNA transcriptional changes in neuronal precursor cells following differentiation using high density cDNA microarrays...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896761/multiplex-analyses-using-real-time-quantitative-pcr
#14
Steve F C Hawkins, Paul C Guest
Quantitative polymerase chain reaction (qPCR) is a routinely used method for the detection and quantitation of gene expression in real time. Multiplex qPCR requires the use of probe-based assays, in which each probe is labeled with a unique fluorescent dye, resulting in different observed colors for each assay. The signal from each dye is used to quantitate the amount of each target separately in the same tube or well. The availability to multiplex therefore allows the measurement of the expression levels of several targets or genes of interest quickly...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27895632/predicting-resistance-by-mutagenesis-lessons-from-45-years-of-mbc-resistance
#15
Nichola J Hawkins, Bart A Fraaije
When a new fungicide class is introduced, it is useful to anticipate the resistance risk in advance, attempting to predict both risk level and potential mechanisms. One tool for the prediction of resistance risk is laboratory selection for resistance, with the mutational supply increased through UV or chemical mutagenesis. This enables resistance to emerge more rapidly than in the field, but may produce mutations that would not emerge under field conditions. The methyl benzimidazole carbamates (MBCs) were the first systemic single-site agricultural fungicides, and the first fungicides affected by rapid evolution of target-site resistance...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27895069/association-between-poorer-cognitive-function-and-reduced-objectively-monitored-medication-adherence-in-patients-with-heart-failure
#16
Mary A Dolansky, Misty A W Hawkins, Julie T Schaefer, Abdus Sattar, John Gunstad, Joseph D Redle, Richard Josephson, Shirley M Moore, Joel W Hughes
BACKGROUND: Subclinical cognitive impairment is prevalent in heart failure (HF); however, its role in important clinical outcomes, such as HF treatment adherence, is unclear. Given the complex polypharmacy in HF treatment, cognitive deficits may be important in predicting medication management. Thus, the objective of the current study was to examine the impact of cognitive function on medication adherence among community-dwelling patients with HF using objective assessments. METHODS AND RESULTS: A prospective observational cohort design of 309 community-dwelling patients with HF (59...
December 2016: Circulation. Heart Failure
https://www.readbyqxmd.com/read/27888950/social-media-and-the-patient-experience
#17
C Matthew Hawkins, Andrew J DeLaO, Colin Hung
As patients continue to turn to online resources for health care information to guide their care decisions, it is becoming increasingly important for radiologists to engage with patients online via social media platforms. There are many ways physicians can use social media to provide patients with valuable information and improve the overall patient experience. By optimizing online discoverability, curating radiology content, engaging with patient communities, and producing mineable social media content, radiologists can emerge as thought leaders in this new form of patient-centered communication and information exchange...
December 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27888775/cost-energy-global-warming-eutrophication-and-local-human-health-impacts-of-community-water-and-sanitation-service-options
#18
Mary E Schoen, Xiaobo Xue, Alison Wood, Troy R Hawkins, Jay Garland, Nicholas J Ashbolt
We compared water and sanitation system options for a coastal community across selected sustainability metrics, including environmental impact (i.e., life cycle eutrophication potential, energy consumption, and global warming potential), equivalent annual cost, and local human health impact. We computed normalized metric scores, which we used to discuss the options' strengths and weaknesses, and conducted sensitivity analysis of the scores to changes in variable and uncertain input parameters. The alternative systems, which combined centralized drinking water with sanitation services based on the concepts of energy and nutrient recovery as well as on-site water reuse, had reduced environmental and local human health impacts and costs than the conventional, centralized option...
November 16, 2016: Water Research
https://www.readbyqxmd.com/read/27887968/enteral-access-procedures-an-18-year-analysis-of-changing-patterns-of-utilization-in-the-medicare-population
#19
Wenshuai Wan, C Matthew Hawkins, Jennifer Hemingway, Danny Hughes, Richard Duszak
PURPOSE: To evaluate national trends in enteral access and maintenance procedures for Medicare beneficiaries with regard to utilization rates, specialty group roles, and sites of service. MATERIALS AND METHODS: Using Medicare Physician Supplier Procedure Summary Master Files for the period 1994-2012, claims for gastrostomy and gastrojejunostomy access and maintenance procedures were identified. Longitudinal utilization rates were calculated using annual enrollment data...
November 22, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27887967/percutaneous-image-guided-cryoablation-for-the-treatment-of-phantom-limb-pain-in-amputees-a-pilot-study
#20
J David Prologo, Charles A Gilliland, Michael Miller, Paul Harkey, Jackie Knight, Darren Kies, C Matthew Hawkins, David Corn, David K Monson, Faramarz Edalat, Sean Dariushnia, Luke Brewster
PURPOSE: To prospectively evaluate percutaneous image-guided nerve cryoablation for treatment of refractory phantom limb pain (PLP) in a pilot cohort for purposes of deriving parameters to design a larger, randomized, parallel-armed, controlled trial. MATERIALS AND METHODS: From January 2015 to January 2016, 21 patients with refractory PLP underwent image-guided percutaneous cryoneurolysis procedures. Visual analog scale scores were documented at baseline and 7, 45, and 180 days after the procedure...
November 22, 2016: Journal of Vascular and Interventional Radiology: JVIR
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