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Haojun Miao, Shanming Ruan, Minhe Shen
PURPOSE: To investigate the relationship between the expression of vascular endothelial growth factor-C (VEGF-C) in rectal cancer tissues and clinicopathological factors. METHODS: The molecular expression of VEGF-C in rectal cancer tissue derived from 45 patients and normal colon tissue from 15 subjects was detected using the immunohistochemical streptavidin/biotin/peroxidase complex (SABC) three-step method. The expression of VEGF-C in rectal cancer and its relationship with clinicopathological factors were statistically analyzed via x2 test or Spearman's rank correlation analysis or Wilcoxon rank sum test...
January 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
Rong Liang, Yan Lin, Chun-Ling Yuan, Zhi-Hui Liu, Yong-Qiang Li, Xiao-Ling Luo, Jia-Zhou Ye, Hai-Hong Ye
Colorectal cancer (CRC) is one of the most common types of malignancy with high morbidity and mortality rates worldwide. This biologically heterogeneous disease results in diverse therapeutic responses, thus, novel prognostic biomarkers are required to improve CRC treatment. Estrogen-related receptor α (ERRα) is a nuclear orphan receptor, which is associated with estrogen receptor α. The present study aimed to investigate the expression of ERRα in patients with CRC, and explore the association between ERRα expression and clinicopathological factors, local recurrence and prognosis...
April 2018: Oncology Letters
Peter Düking, Hans-Christer Holmberg, Billy Sperlich
No abstract text is available yet for this article.
2018: Frontiers in Physiology
Francine Cl Tan, Jonathan Yap, John C Allen, Olivia Tan, Swee Yaw Tan, David B Matchar, Terrance Sj Chua
INTRODUCTION: Patients referred for chest pain from primary care have increased, along with demand for outpatient cardiology consultations. We evaluated 'Triage Protocol' that implements standardised diagnostic testing prior to patients' first cardiology consultation. MATERIALS AND METHODS: Under the 'Triage Protocol', patients referred for chest pain were pretriaged using a standardised algorithm and subsequently referred for relevant functional diagnostic cardiology tests before their initial cardiology consultation...
February 2018: Annals of the Academy of Medicine, Singapore
Clément Niel, Christine Sinoquet, Christian Dina, Ghislain Rocheleau
Motivation: Large scale genome-wide association studies (GWAS) are tools of choice for discovering associations between genotypes and phenotypes. To date, many studies rely on univariate statistical tests for association between the phenotype and each assayed single nucleotide polymorphism (SNP). However, interaction between SNPs, namely epistasis, must be considered when tackling the complexity of underlying biological mechanisms. Epistasis analysis at large scale entails a prohibitive computational burden when addressing the detection of more than two interacting SNPs...
March 14, 2018: Bioinformatics
Abdul Malik Sheikh, Abdul Karim Duke, Hina Sattar
Patent ductus arteriosus is a common congenital cardiac defect comprising 5-10% of all these defects in term neonates. Although open chest and video-assisted interruption are still in use, transcatheter occlusion has rapidly become the first choice for patent ductus arteriosus closure in the appropriate patient. Percutaneous closure of patent ductus arteriosus is widely done by transvenous approach guided by aortic access. We present the case of a 2 year old girl who underwent patent ductus arteriosus device occlusion with transvenous access only...
March 2018: JPMA. the Journal of the Pakistan Medical Association
Oliver Dukes, Stijn Vansteelandt
G-estimation is a flexible, semiparametric approach for estimating exposure effects in epidemiologic studies. It has several under-appreciated advantages over other propensity score-based methods popular in epidemiology, which we review in this note. However, it is rarely used in practice, due to a lack of off-the-shelf software. To rectify this, we show a simple trick for obtaining G-estimators of causal risk ratios using existing generalized estimating equations software. We extend the procedure to more complex settings with time-varying confounders...
March 12, 2018: American Journal of Epidemiology
Kate H Thomas, Justin T McDaniel, David L Albright, Kari L Fletcher, Harold G Koenig
Suicide rates among military veterans exceed those found in the general population. While the exact reasons for these high rates are unknown, contributing factors may include the military's perceived rejection of patient identities, creating barriers to mental health care within the clinical sector and a mandate for prevention programs. Spiritual fitness has emerged over the last decade as an important concept in human performance optimization and is included among holistic approaches to developing and maintaining mentally fit fighting forces...
March 13, 2018: Journal of Religion and Health
Aaron Lear, Merritt Huber, Amy Canada, Jessica Robertson, Evan Bosman, Stephen Zyzanski
OBJECTIVE: To determine whether admission, and provocative stress testing of patients who have ruled out for acute coronary syndrome put patients with low-risk category for coronary artery disease (CAD) at risk for false-positive provocative stress testing and unnecessary coronary angiogram/imaging. METHODS: A retrospective chart review was performed on patients between 30 and 70 years old, with no pre-existing diagnosis of CAD, admitted to observation or inpatient status chest pain or related complaints...
March 2018: Journal of the American Board of Family Medicine: JABFM
Elliot Long, Franz E Babl, Ed Oakley, Bennett Sheridan, Trevor Duke
OBJECTIVES: Fluid bolus therapy is the initial recommended treatment for acute circulatory failure in sepsis, yet it is unknown whether this has the intended effect of increasing cardiac index. We aimed to describe the effect of fluid bolus therapy on cardiac index in children with sepsis. DESIGN: A prospective observational cohort study. SETTING: The Emergency Department of The Royal Children's Hospital, Melbourne, VIC, Australia. PATIENTS: A convenience sample of children meeting international consensus criteria for sepsis with acute circulatory failure...
March 10, 2018: Pediatric Critical Care Medicine
Andrew Mezentsev, Nikolai Lehtinen, Nikolai Østgaard, F J Pérez-Invernón, Steven A Cummer
We compared the modeled energy spectral density of very low frequency (VLF) radio emissions from terrestrial gamma ray flashes (TGFs) with the energy spectral density of VLF radio sferics recorded by Duke VLF receiver simultaneously with those TGFs. In total, six events with world wide lightning location network (WWLLN) defined locations were analyzed to exhibit a good fit between the modeled and observed energy spectral densities. In VLF range the energy spectral density of the TGF source current moment is found to be dominated by the contribution of secondary low-energy electrons and independent of the relativistic electrons which play their role in low-frequency (LF) range...
January 16, 2018: Journal of Geophysical Research. Atmospheres: JGR
Oluwatoyosi A Onwuemene, Steven C Grambow, Chetan B Patel, Robert J Mentz, Carmelo A Milano, Joseph G Rogers, Ara D Metjian, Gowthami M Arepally, Thomas L Ortel
INTRODUCTION: Limited data are available describing indications for and outcomes of therapeutic plasma exchange (TPE) in cardiac transplantation. METHODS: In a retrospective study of patients who underwent cardiac transplantation at Duke University Medical Center from 2010 to 2014, we reviewed 3 TPE treatment patterns: a Single TPE procedure within 24 h of transplant; Multiple TPE procedures initiated within 24 h of transplant; and 1 or more TPE procedures beginning >24 h post-transplant...
March 10, 2018: Journal of Clinical Apheresis
Renato D Lopes, Patricia O Guimarães, Mark Crowther, Elaine Hylek, Gilson S Feitosa-Filho, Luiz E Ritt, Nivaldo Filgueiras, David A Garcia
To discuss and share knowledge about advances in the care of patients with thrombotic disorders, the Tenth International Symposium of Thrombosis and Anticoagulation was held in Salvador, Bahia, Brazil, on September 22 and 23, 2017. This scientific program was developed by clinicians for clinicians and was promoted by two major clinical research institutes-the Brazilian Clinical Research Institute and the Duke Clinical Research Institute of the Duke University School of Medicine. Comprising academic presentations and open discussion, the symposium had as its primary goal to educate, motivate, and inspire internists, cardiologists, hematologists, and other physicians by convening national and international visionaries, thought-leaders, and dedicated clinician-scientists...
March 9, 2018: Journal of Thrombosis and Thrombolysis
Kara M Whitaker, Katherine H Ingram, Duke Appiah, Wanda K Nicholson, Wendy L Bennett, Cora E Lewis, Jared P Reis, Pamela J Schreiner, Erica P Gunderson
PURPOSE: To assess the associations of pre-pregnancy cardiorespiratory fitness, moderate-to vigorous-intensity physical activity (MVPA), and time spent watching television with subsequent development of gestational diabetes mellitus (GDM). METHODS: Participants were 1,333 women enrolled in the Coronary Artery Risk Development in Young Adults (CARDIA) study who did not have diabetes either at baseline (1985-86) or prior to births occurring after baseline. Baseline fitness was estimated using a graded symptom-limited maximal exercise treadmill test and expressed in metabolic equivalent (MET) units...
March 8, 2018: Medicine and Science in Sports and Exercise
Łukasz Murlikiewicz, Krzysztof Grzegorczyk, Małgorzata Lewicka, Andrzej Buczyński, Maciej Rutkowski
BACKGROUND: Thus far, the pathogenesis of these intestinal tumors has not been fully explained. However, the analysis of risk factors and research regarding their formation that have continued for 3 decades have allowed us to demonstrate a significant role of oxidative stress in the processes leading to the development of cancer in the large intestine as well as in some other organs. OBJECTIVES: The aim of the study was to examine the level of anti-oxidative status and the degree of oxidative protein damage in patients with varying severity of colonic adenocarcinoma (CAC) in relation to healthy individuals...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Elliot Long, Trevor Duke, Ed Oakley, Adam O'Brien, Bennett Sheridan, Franz E Babl
OBJECTIVE: The intent of fluid bolus therapy (FBT) is to increase cardiac output and tissue perfusion, yet only 50% of septic children are fluid responsive. We evaluated respiratory variation of inferior vena cava (IVC) diameter as a predictor of fluid responsiveness. METHODS: A prospective observational study in the ED of The Royal Children's Hospital, Melbourne, Australia. Patients were spontaneously ventilating children treated with FBT for sepsis-induced acute circulatory failure...
March 8, 2018: Emergency Medicine Australasia: EMA
Rocío de Diego Cordero, Bárbara Badanta Romero, Filomena Adelaide de Matos, Emília Costa, Daniele Corcioli Mendes Espinha, Claudia de Souza Tomasso, Alessandra Lamas Granero Lucchetti, Giancarlo Lucchetti
AIMS: To compare the opinions and attitudes of Portuguese-speaking nursing students from Brazil and Portugal on the relationship between religiosity/spirituality and the ability to approach these issues with patients, in their undergraduate training and practice. BACKGROUND: Although there are studies investigating nursing students' opinions concerning religiosity and spirituality in clinical practice, few have investigated if there are cross-cultural differences between countries...
March 8, 2018: Journal of Clinical Nursing
Khaled M Hazzouri, Basel Khraiwesh, Khaled M A Amiri, Duke Pauli, Tom Blake, Mohammad Shahid, Sangeeta K Mullath, David Nelson, Alain L Mansour, Kourosh Salehi-Ashtiani, Michael Purugganan, Khaled Masmoudi
Sodium (Na+ ) accumulation in the cytosol will result in ion homeostasis imbalance and toxicity of transpiring leaves. Studies of salinity tolerance in the diploid wheat ancestor Triticum monococcum showed that HKT1;5 -like gene was a major gene in the QTL for salt tolerance, named Nax2 . In the present study, we were interested in investigating the molecular mechanisms underpinning the role of the HKT1;5 gene in salt tolerance in barley ( Hordeum vulgare ). A USDA mini-core collection of 2,671 barley lines, part of a field trial was screened for salinity tolerance, and a Genome Wide Association Study (GWAS) was performed...
2018: Frontiers in Plant Science
Willem van den Boom, Callie Mao, Rebecca A Schroeder, David B Dunson
Motivation: Although there is a rich literature on methods for assessing the impact of functional predictors, the focus has been on approaches for dimension reduction that do not suit certain applications. Examples of standard approaches include functional linear models, functional principal components regression, and cluster-based approaches, such as latent trajectory analysis. This article is motivated by applications in which the dynamics in a predictor, across times when the value is relatively extreme, are particularly informative about the response...
March 1, 2018: Bioinformatics
Amanda Barcelos, Eduardo Tibirica, Cristiane Lamas
OBJECTIVE: To evaluate the systemic microcirculation of patients with infective endocarditis (IE). METHODS: This is a comparative study of patients with definite IE by the modified Duke criteria admitted to our center for treatment. A reference group of sex- and age-matched healthy volunteers was included. Microvascular flow was evaluated in the forearm using a laser speckle contrast imaging system, for noninvasive measurement of cutaneous microvascular perfusion, in combination with skin iontophoresis of acetylcholine (ACh) and sodium nitroprusside (SNP) to test microvascular reactivity...
February 28, 2018: Microvascular Research
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