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Clinical Laboratory Science

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https://www.readbyqxmd.com/read/29152710/the-black-box-revelation-monitoring-gastrointestinal-function
#1
Pieter-Jan Moonen, Annika Reintam Blaser, Joel Starkopf, Heleen M Oudemans-van Straaten, Jan Van der Mullen, Griet Vermeulen, Manu L N G Malbrain
The gastrointestinal tract comprises diverse functions. Despite recent developments in technology and science, there is no single and universal tool to monitor GI function in intensive care unit (ICU) patients. Clinical evaluation is complex and has a low sensitivity to diagnose pathological processes in the abdomen. We performed a MEDLINE and Pubmed search connecting abdominal assessment and critical care. Based on these findings we defined the following major categories of monitoring and diagnostic measures: clinical investigation; assessment of motility and digestive function; microbiome monitoring; perfusion monitoring; laboratory biomarkers and hormonal function; intra-abdominal pressure measurement; and imaging techniques...
November 20, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/29145783/ntp-niehs-global-contributions-to-toxicologic-pathology
#2
Robert Sills, Amy Brix, Mark Cesta, Sheba R Churchill, Michelle C Cora, Darlene Dixon, Michael Dykstra, Gordon Flake, Ron Herbert, Ramesh Kovi, Kyathanahalli Janardhan, Angela King-Herbert, David Malarkey, Arun Pandiri, Greg Travlos, Cynthia Willson, Susan A Elmore
National Toxicology Program (NTP) pathologists are engaged in important initiatives that have significant global impact. These initiatives build on its leadership in pathology peer review and publications in the areas of toxicologic pathology, clinical pathology, and laboratory animal medicine. Over the past decade, NTP/National Institute of Environmental Health Sciences research initiatives have focused on cancer and noncancer hazard identification, with the goal of understanding cellular and molecular mechanisms of disease...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/29140516/effectiveness-of-masks-and-respirators-against-respiratory-infections-in-healthcare-workers-a-systematic-review-and-meta-analysis
#3
Vittoria Offeddu, Chee Fu Yung, Mabel Sheau Fong Low, Clarence C Tam
This systematic review and meta-analysis quantified the protective effect of facemasks and respirators against respiratory infections among healthcare workers. Relevant articles were retrieved from Pubmed, EMBASE, and Web of Science. Meta-analyses were conducted to calculate pooled estimates. Meta-analysis of randomized controlled trials (RCTs) indicated a protective effect of masks and respirators against clinical respiratory illness (CRI) (risk ratio [RR] = 0.59; 95% confidence interval [CI]:0.46-0.77) and influenza-like illness (ILI) (RR = 0...
November 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29140140/the-physiological-mechanisms-of-effect-of-vitamins-and-amino-acids-on-tendon-and-muscle-healing-a-systematic-review
#4
Christopher Tack, Faye Shorthouse, Lindsy Kass
AIMS/OBJECTIVES: To evaluate current literature via systematic review to ascertain whether amino acids/ vitamins provide any influence on musculotendinous healing, and by which physiological mechanisms Methods: EBSCO, PUBMED, Science Direct, Embase Classic/ Embase, and MEDLINE were searched using terms including "vitamins", "amino acids", "healing", "muscle" and "tendon". The primary search had 479 citations, 466 of which were excluded predominantly due to non-randomised design. Randomised human and animal studies investigating all supplement types/ forms of administration were included...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29138215/physiology-undergraduate-degree-requirements-in-the-u-s
#5
Valerie S VanRyn, James M Poteracki, Erica A Wehrwein
Course-level learning objectives and core concepts for undergraduate physiology teaching exist. The next step is to consider how these resources fit into generalizable program-level guidelines for Bachelor of Science (BS) degrees in Physiology. In the absence of program-level guidelines for Physiology degree programs, we compiled a selective internal report to review degree requirements from 18 peer BS programs entitled "Physiology" in the United States (U.S.). There was a range of zero to three required semesters of math, physics, physics laboratory, general biology, biology laboratory, general chemistry, chemistry laboratory, organic chemistry, organic chemistry laboratory, biochemistry, biochemistry laboratory, anatomy, anatomy laboratory, core systems physiology, and physiology laboratory...
December 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/29132740/effects-of-using-symbiotics-in-the-clinical-nutritional-evolution-of-patients-with-chronic-pancreatitis-study-prospective-randomized-controlled-double-blind
#6
Patricia Quadros Dos Santos, Jorge C Guedes, Rosangela P de Jesus, Raquel Rocha Dos Santos, Rosemeiri L Fiaconne
Patients with chronic pancreatitis (CP) present malabsorption and changes in nutritional status. In this prospective, randomized, controlled, double-blinded, intervention study, developed at the Clinic of Pancreas, we aimed to assess whether the use of symbiotics changes the nutritional status, the biochemical data and the intestinal rate of these patients. The intervention consisted of administering 12 g/day of symbiotics composed of Lactobacillus casei, Lactobacillus rhamnosus, Lactobacillus acidophilus, Bifidobacterium bifidum and fructooligosaccharides to the intervention group and 12 g/day of medium absorption complex carbohydrate to the control group...
April 2017: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29130347/editorial-comment-on-end-2017-0641-ra-r1
#7
Joel Gustavo Gómez-Núñez
The manuscript by Matlaga et al titled "Ureteroscopic Laser Lithotripsy: A Review of Dusting Versus Fragmentation With Extraction" was first intended for a meta-analysis publication, but because limited data published, it became an interesting review article focused in the current debate about which of the so described laser urinary lithotripsy "Fragmentation with Extraction" and "Dusting" techniques is better. Authors do an effort to homologize terminology and nomenclature and list the most efficient energy settings used in clinical scenario on the "Fragmentation with Extraction" [(Frequency 12-15 Hz (< 30 watt laser) >50Hz (100/120 watt laser) / Energy 0...
November 12, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/29128537/biomaterials-for-articular-cartilage-tissue-engineering-learning-from-biology
#8
REVIEW
A R Armiento, M J Stoddart, M Alini, D Eglin
Articular cartilage is commonly described as a tissue made of up to 80% water, devoid of blood vessels, nerves and lymphatics, and populated by only one cell type: at first glance, an easy tissue for clinicians to repair and for scientists to reproduce in a laboratory. Yet, chondral and osteochondral defects currently remain an open challenge in orthopedics and tissue engineering of the musculoskeletal system, without considering osteoarthritis. Why do we fail in repairing and regenerating articular cartilage? Behind its simple and homogenous appearance articular cartilage hides a heterogeneous composition, a high level of organisation and specific biomechanical properties that taken together make articular cartilage a unique material that we are not able yet to repair or reproduce with high fidelity...
November 8, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29123356/translational-research-in-oncology-implications-for-palliative-care
#9
Arunangshu Ghoshal
The label "translational research" (TR) has become ever more popular in the biomedical domain in recent years. It is usually presented as an attempt to bridge a supposed gap between knowledge produced at the laboratory bench and its use at the clinical bedside. This is claimed to help society harvest the benefits of its investments in scientific research. The past decade has witnessed a remarkable acceleration in the pace of translational cancer medicine - genome sequencing of various human cancers has been broadly deployed in drug discovery programs, diagnostic tests have been developed to predict molecularly targeted anticancer agents, advent of cancer immunotherapies, an enhanced appreciation of the complex interactions that exist between tumor cells and their microenvironment have revolutionized the management of cancers...
October 2017: Indian Journal of Palliative Care
https://www.readbyqxmd.com/read/29114552/introduction-to-clinical-pathology-a-brief-course-of-laboratory-medicine-in-the-field-for-medical-students
#10
Navid Omidifar, Ali Keshtkari, Mohammadreza Dehghani, Mansoureh Shokripour
OBJECTIVES: Teaching of clinical pathology to medical students has been ignored in many countries such as Iran. We aim to introduce a practical brief course and its proper timing. MATERIALS AND METHODS: Three groups of medical students from consecutive years of entrance passed a 1.5 working day practical course on the field. Their level of knowledge was assessed by pre- and post-tests. Their idea and satisfaction were gathered by questionnaires. RESULTS: Knowledge of students became significantly higher after the course...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/29109313/evaluation-of-the-antifungal-effect-of-chicory-extracts-on-candida-glabrata-and-candida-krusei-in-a-laboratory-environment
#11
Hosein Eslami, Hossein Babaei, Parisa Falsafi, Mahdi Rahbar, Fereshteh Najar-Karimi, Solmaz Pourzare-Mehrbani
AIM: This research has evaluated the extract's antifungal effects on Candida glabrata and Candida krusei in a laboratory environment. MATERIALS AND METHODS: In this research, to evaluate the antifungal effect and the minimal inhibitory concentration (MIC) determination of chicory extract, the Clinical and Laboratory Standards Institute (CLSI) was used. Candida glabrata and C. krusei funguses were procured from the Tehran Pasteur Institute; they were grown in the relative growing environment according to the required conditions...
November 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29101939/pharmacogenomics-precision-medicine-and-drug-response
#12
REVIEW
Richard M Weinshilboum, Liewei Wang
Pharmacogenomics is the use of genomic and other "omic" information to individualize drug selection and drug use to avoid adverse drug reactions and to maximize drug efficacy. The science underlying pharmacogenomics has evolved rapidly over the 50 years since it was first suggested that genetics might influence drug response phenotypes. That process has occurred in parallel with advances in DNA sequencing and other molecular technologies, with striking increases in our understanding of the human genome. There are now many validated examples of the clinical utility of pharmacogenomics, and this type of clinical genomic information is increasingly being generated in clinical laboratories, incorporated into electronic health records, and used to "tailor" or individualize drug therapy...
November 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29100984/sexual-dimorphism-in-oxidant-induced-adaptive-homeostasis-in-multiple-wild-type-d-melanogaster-strains
#13
Laura C D Pomatto, Sarah Wong, John Tower, Kelvin J A Davies
Sexual dimorphism includes the physical and reproductive differences between the sexes, including differences that are conserved across species, ranging from the common fruit fly, Drosophila melanogaster, to humans. Sex-dependent variations in adaptive homeostasis, and adaptive stress responses may offer insight into the underlying mechanisms for male and female survival differences and into differences in chronic disease incidence and severity in humans. Earlier work showed sex-specific differences in adaptive responses to oxidative stressors in hybrid laboratory strains of D...
October 31, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29099038/massively-parallel-sequencing-of-genes-implicated-in-heritable-cardiac-disorders-a-strategy-for-a-small-diagnostic-laboratory
#14
Ivone U S Leong, Alexander Stuckey, Daniele Belluoccio, Vicky Fan, Jonathan R Skinner, Debra O Prosser, Donald R Love
Sudden cardiac death (SCD) in people before the age of 35 years is a devastating event for any family. The causes of SCD in the young can be broadly divided into two groups: heritable cardiac disorders that affect the heart structure (cardiomyopathies) and primary electrical disorders (cardiac ion channelopathies). Genetic testing is vital as those suffering from cardiac ion channelopathies have structurally normal hearts, and those with cardiomyopathies may only show subtle abnormalities in the heart and these signs may not be detected during an autopsy...
October 10, 2017: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29090027/evaluation-of-multidetector-computed-tomography-in-haematuria
#15
Ranjan Kumar, Raj Kumar Airon, Amit Mittal, Rikki Singal, Kamal Sharma, Samita Singal
AIMS AND OBJECTIVES: (1) To study the role of multidetector computed tomography in patients with haematuria. (2) To correlate multidetector computed tomography findings with clinical outcome/laboratory findings/FNAC and/or operative findings (wherever performed). MATERIAL AND METHODS: The present study was carried out in the Department of Radiodiagnosis, M.M. Institute of Medical Sciences and Research, Mullana, Ambala, from April 2014 to 2016. Fifty patients with complaint of haematuria, referred from various wards and outpatient departments of this institution, were included...
June 2017: Mædica
https://www.readbyqxmd.com/read/29078111/markers-of-coagulation-activation-inflammation-and-fibrinolysis-as-predictors-of-poor-outcomes-after-pediatric-venous-thromboembolism-a-systematic-review-and-meta-analysis
#16
REVIEW
Ayesha Zia, Joy Russell, Ravi Sarode, Surendranath R Veeram, Shellie Josephs, Kendra Malone, Song Zhang, Janna Journeycake
BACKGROUND: Sequelae of venous thromboembolism (VTE) in children include recurrence, development of post thrombotic syndrome (PTS) when venous return from a limb is affected and chronic thromboembolic pulmonary hypertension (CTEPH) after pulmonary embolism. Identification of laboratory-based risk factors may be useful for individualized risk assessment for VTE sequelae. Coagulation activation and inflammation may contribute to their pathophysiology. We performed a systematic review to investigate the association between biomarkers of coagulation activation, inflammation and fibrinolysis and adverse VTE outcomes in children and young adults...
October 7, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29077751/use-of-ferrets-for-electrophysiologic-monitoring-of-ion-transport
#17
Niroop Kaza, S Vamsee Raju, Joan M Cadillac, John A Trombley, Lawrence Rasmussen, Liping Tang, Erik Dohm, Kevin S Harrod, Steven M Rowe
Limited success achieved in translating basic science discoveries into clinical applications for chronic airway diseases is attributed to differences in respiratory anatomy and physiology, poor approximation of pathologic processes, and lack of correlative clinical endpoints between humans and laboratory animal models. Here, we discuss advantages of using ferrets (Mustela putorus furo) as a model for improved understanding of human airway physiology and demonstrate assays for quantifying airway epithelial ion transport in vivo and ex vivo, and establish air-liquid interface cultures of ferret airway epithelial cells as a complementary in vitro model for mechanistic studies...
2017: PloS One
https://www.readbyqxmd.com/read/29070061/effectiveness-of-real-time-polymerase-chain-reaction-assay-for-the-detection-of-mycobacterium-tuberculosis-in-pathological-samples-a-systematic-review-and-meta-analysis
#18
Emmanuel O Babafemi, Benny P Cherian, Lee Banting, Graham A Mills, Kandala Ngianga
BACKGROUND: Rapid and accurate diagnosis of tuberculosis (TB) is key to manage the disease and to control and prevent its transmission. Many established diagnostic methods suffer from low sensitivity or delay of timely results and are inadequate for rapid detection of Mycobacterium tuberculosis (MTB) in pulmonary and extra-pulmonary clinical samples. This study examined whether a real-time polymerase chain reaction (RT-PCR) assay, with a turn-a-round time of 2 h, would prove effective for routine detection of MTB by clinical microbiology laboratories...
October 25, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/29069341/epigenetics-and-precision-medicine-in-cardiovascular-patients-from-basic-concepts-to-the-clinical-arena
#19
Sarah Costantino, Peter Libby, Raj Kishore, Jean-Claude Tardif, Assam El-Osta, Francesco Paneni
Cardiovascular diseases (CVDs) remain the leading cause of mortality worldwide and also inflict major burdens on morbidity, quality of life, and societal costs. Considering that CVD preventive medications improve vascular outcomes in less than half of patients (often relative risk reductions range from 12% to 20% compared with placebo), precision medicine offers an attractive approach to refine the targeting of CVD medications to responsive individuals in a population and thus allocate resources more wisely and effectively...
October 23, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29067647/sino-u-s-partnerships-in-research-education-and-patient-care-the-experience-of-the-university-of-pittsburgh-and-upmc
#20
REVIEW
Arthur S Levine, Margaret C McDonald, Charles E Bogosta
In 2011, the University of Pittsburgh School of Medicine (UPSOM) and Tsinghua University formed a partnership to further the education of Tsinghua medical students. These students come to UPSOM as visiting research scholars for two years of their eight-year MD curriculum. During this time, the students, who have completed four years at Tsinghua, work full-time in medical school laboratories and research programs of their choice, essentially functioning as graduate students. In their first two months in Pittsburgh, the scholars have a one-week orientation to biomedical research, followed by two-week rotations in four labs selected on the basis of the scholars' scientific interests, after which they choose one of these labs for the remainder of the two years...
October 23, 2017: Science China. Life Sciences
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