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Jan Steffel, Peter Verhamme, Tatjana S Potpara, Pierre Albaladejo, Matthias Antz, Lien Desteghe, Karl Georg Haeusler, Jonas Oldgren, Holger Reinecke, Vanessa Roldan-Schilling, Nigel Rowell, Peter Sinnaeve, Ronan Collins, A John Camm, Hein Heidbüchel
The current manuscript is the Executive Summary of the second update to the original Practical Guide, published in 2013. Non-vitamin K antagonist oral anticoagulants (NOACs) are an alternative for vitamin K antagonists (VKAs) to prevent stroke in patients with atrial fibrillation (AF), and have emerged as the preferred choice, particularly in patients newly started on anticoagulation. Both physicians and patients are becoming more accustomed to the use of these drugs in clinical practice. However, many unresolved questions on how to optimally use these agents in specific clinical situations remain...
March 19, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Jan Steffel, Peter Verhamme, Tatjana S Potpara, Pierre Albaladejo, Matthias Antz, Lien Desteghe, Karl Georg Haeusler, Jonas Oldgren, Holger Reinecke, Vanessa Roldan-Schilling, Nigel Rowell, Peter Sinnaeve, Ronan Collins, A John Camm, Hein Heidbüchel
The current manuscript is the second update of the original Practical Guide, published in 2013 [Heidbuchel et al. European Heart Rhythm Association Practical Guide on the use of new oral anticoagulants in patients with non-valvular atrial fibrillation. Europace 2013;15:625-651; Heidbuchel et al. Updated European Heart Rhythm Association Practical Guide on the use of non-vitamin K antagonist anticoagulants in patients with non-valvular atrial fibrillation. Europace 2015;17:1467-1507]. Non-vitamin K antagonist oral anticoagulants (NOACs) are an alternative for vitamin K antagonists (VKAs) to prevent stroke in patients with atrial fibrillation (AF) and have emerged as the preferred choice, particularly in patients newly started on anticoagulation...
March 17, 2018: European Heart Journal
Marcelo A Queiroz, Felipe de Galiza Barbosa, Carlos Alberto Buchpiguel, Giovanni Guido Cerri
The new technology of PET/MRI is a prototype of hybrid imaging, allowing for the combination of molecular data from PET scanning and morphofunctional information derived from MRI scanning. Recent advances regarding the technical aspects of this device, especially after the development of MRI-compatible silicon photomultipliers of PET, permitted an increase in the diagnostic performance of PET/MRI translated into dose reduction and higher imaging quality. Among several clinical applications, PET/MRI gains ground initially in oncology, where MRI per se plays an essential role in the assessment of primary tumors (which is limited in the case of PET/CT), including prostate, rectal and gynecological tumors...
January 2018: Revista da Associação Médica Brasileira
Matilde Inglese, Maria Petracca
PURPOSE OF REVIEW: Clinical MRI is of paramount importance for multiple sclerosis diagnosis but lacks the specificity to investigate the pathogenic mechanisms underlying disease onset and progression. The application of advanced magnetic resonance (MR) sequences allows the characterization of diverse and complex pathological mechanisms, granting insights into multiple sclerosis natural history and response to treatment. RECENT FINDINGS: This review provides an update on the most recent international guidelines for optimal standard imaging of multiple sclerosis and discusses advantages and limitations of advanced imaging approaches for investigating inflammation, demyelination and neurodegeneration...
March 19, 2018: Current Opinion in Neurology
Steve A Aguilar, Nicholas Asakawa, Cameron Saffer, Christine Williams, Steven Chuh, Lewei Duan
Introduction: A benefit of in-hospital cardiac arrest is the opportunity for rapid initiation of "high-quality" chest compressions as defined by current American Heart Association (AHA) adult guidelines as a depth 2-2.4 inches, full chest recoil, rate 100-120 per minute, and minimal interruptions with a chest compression fraction (CCF) ≥ 60%. The goal of this study was to assess the effect of audiovisual feedback on the ability to maintain high-quality chest compressions as per 2015 updated guidelines...
March 2018: Western Journal of Emergency Medicine
Flor M Munoz
Maternal immunization has the potential to significantly improve maternal and child health worldwide by reducing maternal and infant morbidity and mortality associated with disease caused by pathogens that are particularly relevant in the perinatal period and in early life, and for which no alternative effective preventive strategies exist. Research on all aspects related to vaccines for administration during pregnancy is ongoing with support of multiple stakeholders and global participation. Substantial progress has been made, and the availability of new vaccines licensed exclusively for use in pregnant women to protect their infants has become an achievable goal...
2018: Frontiers in Immunology
Philip E B Nickerson, Arturo Ortin-Martinez, Valerie A Wallace
Considerable research effort has been invested into the transplantation of mammalian photoreceptors into healthy and degenerating mouse eyes. Several platforms of rod and cone fluorescent reporting have been central to refining the isolation, purification and transplantation of photoreceptors. The tracking of engrafted cells, including identifying the position, morphology and degree of donor cell integration post-transplant is highly dependent on the use of fluorescent protein reporters. Improvements in imaging and analysis of transplant recipients have revealed that donor cell fluorescent reporters can transfer into host tissue though a process termed material exchange (ME)...
2018: Frontiers in Neural Circuits
Andrew Sedman, A Hepper
INTRODUCTION: This paper outlines aspects of UK Ministry of Defence's research and development of blast overpressure protection technologies appropriate for use in body armour, with the aim of both propagating new knowledge and updating existing information. METHODS: Two simple models are introduced not only to focus the description of the mechanism by which the lungs can be protected, but also to provide a bridge between fields of research that may hold the key to further advances in protection technology and related body armour...
March 19, 2018: Journal of the Royal Army Medical Corps
Yi-Chao Hsu, Yu-Ting Wu, Chia-Ling Tsai, Yau-Huei Wei
In mammalian cells, there are seven members of the sirtuin protein family (SIRT1-7). SIRT1, SIRT6, and SIRT7 catalyze posttranslational modification of proteins in the nucleus, SIRT3, SIRT4, and SIRT5 are in the mitochondria and SIRT2 is in the cytosol. SIRT1 can deacetylate the transcription factor SOX2 and regulate induced pluripotent stem cells (iPSCs) reprogramming through the miR-34a-SIRT1-p53 axis. SIRT2 can regulate the function of pluripotent stem cells through GSK3β. SIRT3 can positively regulate PPAR gamma coactivator 1-alpha (PGC-1α) expression during the differentiation of stem cells...
March 2018: Experimental Biology and Medicine
Michael T Tetzlaff, Priyadharsini Nagarajan
Merkel cell carcinoma (MCC) is an aggressive cutaneous neuroendocrine carcinoma. Incidence of MCC continues to rise, and risk factors include advanced age, pale skin, chronic sun exposure, and immune suppression. Diagnosing MCC utilizes a combination of morphology and immunohistochemistry. Merkel cell polyomavirus (MCPyV) is present in approximately 70-80% of MCCs and represents a key pathogenic driver in those MCCs. In contrast, MCPyV-negative MCCs arise through progressive accumulation of ultraviolet-light induced somatic mutations...
March 20, 2018: Head and Neck Pathology
Chao Wei, Yucong Zhang, Gaurab Pokhrel, Xiaming Liu, Jiahua Gan, Xiao Yu, Zhangqun Ye, Shaogang Wang
Percutaneous nephrolithotomy (PCNL) is generally accepted as the gold standard treatment for the treatment of large kidney stones (> 2 cm). For nearly 40 years, with the continuous progress of technology and the constant updating of ideas, PCNL has made great progress. In this review, we discuss the current research progress, recent advancement and hot spot of the whole process of PCNL including anesthesia, position, puncture, dilation, lithotripsy approaches, perfusate, tube placement, hospitalization time, drug, treatment of residual stones, prognosis judgment and operation evaluation by summarizing the related research in this article...
March 19, 2018: International Urology and Nephrology
Payal Saxena, Saurabh Kumar Gupta, Divya Mehrotra, Shivam Kamthan, Husain Sabir, Pratibha Katiyar, S V Sai Prasad
Objectives: Education has largely been digitalized. More so, for professional education, keeping updated in this fast paced world has become a necessary requisite and dentistry has not been left untouched. This cross sectional questionnaire based study aimed to assess the digital literacy and smartphone usage amongst the 260 Central Indian dental students including their perspicacity about smartphone/internet usage for learning purposes. The students' attitude for implementation of digital technology in study programs/education system was also evaluated...
January 2018: Journal of Oral Biology and Craniofacial Research
Hua Tao, Xu Zhou, Bin Zhao, Keshen Li
According to an update from the World Health Organization, approximately 50 million people worldwide suffer from epilepsy, and nearly one-third of these individuals are resistant to the currently available antiepileptic drugs, which has resulted in an insistent pursuit of novel strategies for seizure treatment. Recently, methylglyoxal (MG) was demonstrated to serve as a partial agonist of the gamma-aminobutyric acid type A (GABAA ) receptor and to play an inhibitory role in epileptic activities. However, MG is also a substrate in the generation of advanced glycation end products (AGEs) that function by activating the receptor of AGEs (RAGE)...
2018: Frontiers in Molecular Neuroscience
J M Remes-Troche, E Coss-Adame, A Lopéz-Colombo, M Amieva-Balmori, R Carmona Sánchez, L Charúa Guindic, R Flores Rendón, O Gómez Escudero, M González Martínez, M E Icaza Chávez, M Morales Arámbula, M Schmulson, J L Tamayo de la Cuesta, M Á Valdovinos, G Vázquez Elizondo
INTRODUCTION: Significant advances have been made in the knowledge and understanding of the epidemiology, pathophysiology, diagnosis, and treatment of chronic constipation, since the publication of the 2011 guidelines on chronic constipation diagnosis and treatment in Mexico from the Asociación Mexicana de Gastroenterología. AIMS: To present a consensus review of the current state of knowledge about chronic constipation, providing updated information and integrating the new scientific evidence...
March 16, 2018: Revista de Gastroenterología de México
Oguzhan Alagoz, Donald A Berry, Harry J de Koning, Eric J Feuer, Sandra J Lee, Sylvia K Plevritis, Clyde B Schechter, Natasha K Stout, Amy Trentham-Dietz, Jeanne S Mandelblatt
The Cancer Intervention and Surveillance Modeling Network (CISNET) Breast Cancer Working Group is a consortium of National Cancer Institute-sponsored investigators who use statistical and simulation modeling to evaluate the impact of cancer control interventions on long-term population-level breast cancer outcomes such as incidence and mortality and to determine the impact of different breast cancer control strategies. The CISNET breast cancer models have been continuously funded since 2000. The models have gone through several updates since their inception to reflect advances in the understanding of the molecular basis of breast cancer, changes in the prevalence of common risk factors, and improvements in therapy and early detection technology...
April 2018: Medical Decision Making: An International Journal of the Society for Medical Decision Making
Oguzhan Alagoz, Mehmet Ali Ergun, Mucahit Cevik, Brian L Sprague, Dennis G Fryback, Ronald E Gangnon, John M Hampton, Natasha K Stout, Amy Trentham-Dietz
The University of Wisconsin Breast Cancer Epidemiology Simulation Model (UWBCS), also referred to as Model W, is a discrete-event microsimulation model that uses a systems engineering approach to replicate breast cancer epidemiology in the US over time. This population-based model simulates the lifetimes of individual women through 4 main model components: breast cancer natural history, detection, treatment, and mortality. A key feature of the UWBCS is that, in addition to specifying a population distribution in tumor growth rates, the model allows for heterogeneity in tumor behavior, with some tumors having limited malignant potential (i...
April 2018: Medical Decision Making: An International Journal of the Society for Medical Decision Making
Clyde B Schechter, Aimee M Near, Jinani Jayasekera, Young Chandler, Jeanne S Mandelblatt
BACKGROUND: The Georgetown University-Albert Einstein College of Medicine breast cancer simulation model (Model GE) has evolved over time in structure and function to reflect advances in knowledge about breast cancer, improvements in early detection and treatment technology, and progress in computing resources. This article describes the model and provides examples of model applications. METHODS: The model is a discrete events microsimulation of single-life histories of women from multiple birth cohorts...
April 2018: Medical Decision Making: An International Journal of the Society for Medical Decision Making
Ashley J Robinson, M Ashraf Ederies
This paper is based on a literature review from 2011 to 2016. The paper is divided into two main sections. The first section relates to technical advances in fetal imaging techniques, including fetal motion compensation, imaging at 3.0 T, 3-D T2-weighted MRI, susceptibility-weighted imaging, computed tomography, morphometric analysis, diffusion tensor imaging, spectroscopy and fetal behavioral assessment. The second section relates to clinical updates, including cerebral lamination, migrational anomalies, midline anomalies, neural tube defects, posterior fossa anomalies, sulcation/gyration and hypoxic-ischemic insults...
April 2018: Pediatric Radiology
Kathryn J Gray, Louise E Wilkins-Haug
Prenatal aneuploidy screening changed significantly in 2012 when cell-free fetal deoxyribonucleic acid (DNA) was introduced as a noninvasive prenatal test. A noninvasive prenatal test detects cell free fragments of fetal DNA from the placenta circulating in maternal blood that coexist with cell-free DNA (cfDNA) of maternal origin. Using next-generation sequencing, the noninvasive prenatal test compares maternal and fetal cfDNA ratios for chromosomes of interest (i.e., 21, 18, 13, X, and Y) to assess chromosomal aneuploidy...
April 2018: Pediatric Radiology
Toni K Choueiri, Colin Hessel, Susan Halabi, Ben Sanford, M Dror Michaelson, Olwen Hahn, Meghara Walsh, Thomas Olencki, Joel Picus, Eric J Small, Shaker Dakhil, Darren R Feldman, Milan Mangeshkar, Christian Scheffold, Daniel George, Michael J Morris
BACKGROUND: The randomised phase 2 CABOSUN trial comparing cabozantinib with sunitinib as initial therapy for advanced renal cell carcinoma (RCC) of intermediate or poor risk met the primary end-point of improving progression-free survival (PFS) as assessed by investigator. We report PFS by independent radiology review committee (IRC) assessment, ORR per IRC and updated overall survival (OS). PATIENTS AND METHODS: Previously untreated patients with advanced RCC of intermediate or poor risk by IMDC criteria were randomised 1:1 to cabozantinib 60 mg daily or sunitinib 50 mg daily (4 weeks on/2 weeks off)...
March 15, 2018: European Journal of Cancer
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