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Morag Griffin, Austin Kulasekararaj, Shreyans Gandhi, Talha Munir, Stephen Richards, Louise Arnold, Nana Benson-Quarm, Nicola Copeland, Isabel Duggins, Kathryn Riley, Peter Hillmen, Judith Marsh, Anita Hill
No abstract text is available yet for this article.
March 15, 2018: Haematologica
Ting Dong, Annesley Copeland, Matthew Gangidine, Deanna Schreiber-Gregory, E Matthew Ritter, Steven J Durning
PURPOSE: We conducted an in-depth empirical investigation to achieve a better understanding of the surgery clerkship from multiple perspectives, including the influence of clerkship sequence on performance, the relationship between self-logged work hours and performance, as well as the association between surgery clerkship performance with subsequent USMLE Step exams' scores. METHOD: The study cohort consisted of medical students graduating between 2015 and 2018 (n = 687)...
March 12, 2018: Journal of Surgical Education
Elizabeth Copeland, Katherine Leonard, Richard Carney, Justin Kong, Martin Forer, Yuresh Naidoo, Brian G G Oliver, Justin R Seymour, Stephen Woodcock, Catherine M Burke, Nicholas W Stow
Chronic rhinosinusitis (CRS) is an inflammatory condition that affects up to 12% of the human population in developed countries. Previous studies examining the potential role of the sinus bacterial microbiota within CRS infections have found inconsistent results, possibly because of inconsistencies in sampling strategies. The aim of this study was to determine whether the sinus microbiome is altered in CRS and additionally if the middle meatus is a suitable representative site for sampling the sinus microbiome...
2018: Frontiers in Cellular and Infection Microbiology
Susan Bidwell, Andrea Copeland
INTRODUCTION Pegasus Health Charitable Ltd, a Christchurch Primary Health Organisation, is contracted by the Canterbury District Health Board to provide continuing professional development for primary care practitioners in the region. Rurally located health practitioners have largely been unable to participate because of the travel time and distances involved. AIM The initiative reported in this paper aimed to fill this gap by developing an accessible and high-quality multidisciplinary model of professional development for general practitioners, nurse practitioners, practice nurses and community pharmacists in rural areas of North Canterbury, New Zealand...
December 2017: Journal of Primary Health Care
Caroline Christie, Susan Bidwell, Andrea Copeland, Ben Hudson
INTRODUCTION Pastoral care is recognised as an important aspect of a mature primary care network. Pegasus Health is now in its 25th year and has had a formal Pastoral Care Programme for doctors since 2009. AIM This study aimed to collect local data on the self-care of Canterbury (Christchurch, New Zealand) general practitioners (GPs), nurse practitioners (NPs), practice nurses (PNs) and community pharmacists (CPs). METHODS The survey was open to all participants in the Pegasus Small Group Education Programme in Canterbury...
December 2017: Journal of Primary Health Care
Olivia I Okereke, Charles F Reynolds, David Mischoulon, Grace Chang, Nancy R Cook, Trisha Copeland, Georgina Friedenberg, Julie E Buring, JoAnn E Manson
RATIONALE: Depression is a leading cause of disease burden and disability for older adults; thus, prevention is a priority. Biologic and observational data support potential mental health benefits of vitamin D and omega-3 fatty acids; however, it is unclear whether these supplements can prevent late-life depression. DESIGN: We describe the novel methodology of a large-scale prevention study: VITAL-DEP (VITamin D and OmegA-3 TriaL-Depression Endpoint Prevention), an ancillary to the VITAL trial...
March 8, 2018: Contemporary Clinical Trials
Nidhi Sharma, Srinivas Chakravarthy, Matthew J Longley, William C Copeland, Aishwarya Prakash
The 16.5 kb mitochondrial genome is subjected to damage from reactive oxygen species (ROS) generated in the cell during normal cellular metabolism and external sources such as ionizing radiation and ultraviolet light. ROS cause harmful damage to DNA bases that could result in mutagenesis and various diseases, if not properly repaired. The base excision repair (BER) pathway is the primary pathway involved in maintaining the integrity of mtDNA. Several enzymes that partake in BER within the nucleus have also been identified in the mitochondria...
March 6, 2018: DNA Repair
Ning Zhang, Yanhua Zhou, Bo Zhang, Susan F Lu, Laurel Copeland, Jerry H Gurwitz
Background: To examine the association between body mass index (BMI) and the risk for falls and hip fractures among nursing home (NH) residents. Methods: A cohort study of newly admitted NH residents, excluding those with a prior history of hip fracture. Using the Minimum Data Set 2.0 (2006-2010), we determined the occurrence of new falls and hip fractures among NH residents during their first three months of stay. Residents were categorized as underweight (BMI < 18...
February 28, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Taura N Willoughby, Jon Doan, Cheryl L Currie, Jennifer L Copeland
This study assessed the effect of changing daily movement behaviour on C-reactive protein (CRP) measured in saliva. Two groups of women either reduced daily movement or increased physical activity for 10 days. Salivary CRP increased by 31% in the sedentary group (0.378±0.596 to 0.487±0.793 µg·L-1) and decreased by 22% in the active group (0.414±0.640 to 0.259±0.284 µg·L-1). These results suggest short-term changes in daily movement behaviour can affect salivary CRP, a marker of systemic inflammation...
March 2, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Abigail Laman-Maharg, Alexia V Williams, Mikaela D Zufelt, Vanessa A Minie, Stephanie Ramos-Maciel, Rebecca Hao, Evelyn Ordoñes Sanchez, Tiffany Copeland, Jill L Silverman, Angelina Leigh, Rodney Snyder, F Ivy Carroll, Timothy R Fennell, Brian C Trainor
There is growing evidence that kappa opioid receptor (KOR) antagonists could be a useful class of therapeutics for treating depression and anxiety. However, the overwhelming majority of preclinical investigations examining the behavioral effects of KOR antagonists have been in male rodents. Here, we examined the effects of the long-acting KOR antagonist nor-binaltophimine (norBNI) on immobility in the forced swim test in males and females of two different rodent species (C57Bl/6J and California mice). Consistent with previous reports, norBNI (10 mg/kg) decreased immobility in the forced swim test for male C57Bl/6J and California mice...
2018: Frontiers in Pharmacology
Michael D West, Ivan Labat, Hal Sternberg, Dana Larocca, Igor Nasonkin, Karen B Chapman, Ratnesh Singh, Eugene Makarev, Alex Aliper, Andrey Kazennov, Andrey Alekseenko, Nikolai Shuvalov, Evgenia Cheskidova, Aleksandr Alekseev, Artem Artemov, Evgeny Putin, Polina Mamoshina, Nikita Pryanichnikov, Jacob Larocca, Karen Copeland, Evgeny Izumchenko, Mikhail Korzinkin, Alex Zhavoronkov
Here we present the application of deep neural network (DNN) ensembles trained on transcriptomic data to identify the novel markers associated with the mammalian embryonic-fetal transition (EFT). Molecular markers of this process could provide important insights into regulatory mechanisms of normal development, epimorphic tissue regeneration and cancer. Subsequent analysis of the most significant genes behind the DNNs classifier on an independent dataset of adult-derived and human embryonic stem cell (hESC)-derived progenitor cell lines led to the identification of COX7A1 gene as a potential EFT marker...
January 30, 2018: Oncotarget
Yazhini Ravi, Srihari K Lella, Laurel A Copeland, Kiumars Zolfaghari, Kathleen Grady, Sitaramesh Emani, Chittoor B Sai-Sudhakar
BACKGROUND: Recipient-related factors, such as education level and type of health insurance, are known to affect heart transplantation outcomes. Pre-operative employment status has shown an association with survival in abdominal organ transplant patients. We sought to evaluate the effect of work status of heart transplant (HTx) recipients at the time of listing and at the time of transplantation on short- and long-term survival. METHODS: We evaluated the United Network for Organ Sharing (UNOS) registry for all adult HTx recipients from 2001 to 2014...
January 31, 2018: Journal of Heart and Lung Transplantation
Jill Rathbun, Brad Johnson, Karen Woo, Timothy P Copeland
No abstract text is available yet for this article.
March 2018: Journal of Vascular Surgery
Ben T Copeland, Sumanta K Pal, Eric C Bolton, Jeremy O Jones
BACKGROUND: Androgens and the androgen receptor (AR) are necessary for the development, function, and homeostatic growth regulation of the prostate gland. However, once prostate cells are transformed, the AR is necessary for the proliferation and survival of the malignant cells. This change in AR function appears to occur in nearly every prostate cancer. We have termed this the AR malignancy shift. METHODS: In this review, we summarize the current knowledge of the AR malignancy shift, including the DNA-binding patterns that define the shift, the transcriptome changes associated with the shift, the putative drivers of the shift, and its clinical implications...
February 23, 2018: Prostate
R C Hamdy, A Kinser, A Depelteau, J V Lewis, R Copeland, T Kendall-Wilson, K Whalen
Repetitive questioning is a major problem for caregivers, particularly taxing if they are unable to recognize and understand the reasons why their loved one keeps asking the same question over and over again. Caregivers may be tempted to believe that the patient does not even try to remember the answer given or is just getting obnoxious. This is incorrect. Repetitive questioning is due to the underlying disease: The patient's short term memory is impaired and he is unable to register, encode, retain and retrieve the answer...
January 2018: Gerontology & Geriatric Medicine
Kirk K Wolter, Philip J Smith, Meena Khare, Bess Welch, Kennon R Copeland, Vicki J Pineau, Nicholas Davis
The National Immunization Survey (NIS) family of surveys includes NIS-Child, which monitors vaccination coverage for the U.S. population of children aged 19-35 months; NIS- Teen, which monitors vaccination coverage for the U.S. population of adolescents aged 13-17; and NIS-Flu, which monitors influenza vaccination coverage for the U.S. population of children aged 6 months through 17 years. This report describes the methods used in this family of surveys during the 2005-2014 period.
December 2017: Vital and Health Statistics. Ser. 1, Programs and Collection Procedures
Andrea E Copeland, Caitlin E Hoffman, Vassilios Tsitouras, Dhruve S Jeevan, Emily S Ho, James M Drake, Christopher R Forrest
Background: The pattern of cranial venous drainage in syndromic craniosynostosis is unpredictable and not adequately understood. Collateral channels substitute for stenotic venous sinuses and pose potential risk for surgical intervention. The purpose of this study was to analyze the patterns of venous drainage in patients with syndromic craniosynostosis and their influence on operative planning and morbidity. Methods: A retrospective study of patients with syndromic craniosynostosis from 2000 to 2013 was performed...
January 2018: Plastic and Reconstructive Surgery. Global Open
Sean S Li, Libby R Copeland-Halperin, Alexander J Kaminsky, Jihui Li, Fahad K Lodhi, Reza Miraliakbari
BACKGROUND:  Computer-aided surgical simulation (CASS) has redefined surgery, improved precision and reduced the reliance on intraoperative trial-and-error manipulations. CASS is provided by third-party services; however, it may be cost-effective for some hospitals to develop in-house programs. This study provides the first cost analysis comparison among traditional (no CASS), commercial CASS, and in-house CASS for head and neck reconstruction. METHODS:  The costs of three-dimensional (3D) pre-operative planning for mandibular and maxillary reconstructions were obtained from an in-house CASS program at our large tertiary care hospital in Northern Virginia, as well as a commercial provider (Synthes, Paoli, PA)...
February 20, 2018: Journal of Reconstructive Microsurgery
Carol A Terregino, H Liesel Copeland, Sonia Garcia Laumbach, Daniel Mehan, Dana Dunleavy, Thomas Geiger
BACKGROUND: Can a locally developed multiple mini interview (MMI) process lead to outcomes reflective of local values and mission? METHODS: In 2017, the authors performed a retrospective analysis of the relationship of MMI with multiple-choice-based outcomes and non-multiple-choice-based outcomes, including clerkship competencies, OSCE, scholarship/service/leadership, academic honor society induction, peer and faculty humanism nominations, and overall performance at graduation for two entering classes with acceptance decisions based exclusively on a locally developed MMI...
February 19, 2018: Medical Teacher
Shujun Wang, Chen Chao, Fengjuan Xiang, Xiu Zhang, Shuo Wang, Les Copeland
A thorough understanding of starch gelatinization is needed to control starch functional properties for food processing and human nutrition. Here, we reveal the mechanism of structural disassembly of rice, maize and wheat starch granules during thermal transitions in which a Rapid Visco Analyzer (RVA) was used to pre-heat the starches to certain transition points in the differential scanning calorimetry (DSC) heating profiles. This was done to generate sufficient material for structural analyses. The results from DSC, Raman, X-ray diffraction and scanning electron microscopy (SEM) analyses all showed that at the conclusion temperature (T c ) of the DSC endotherm rice starch gelatinization was complete, whereas residual structural order remained in maize and wheat starches...
February 14, 2018: Scientific Reports
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