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https://www.readbyqxmd.com/read/27914153/-pulmonary-embolism-in-portugal-epidemiology-and-in-hospital-mortality
#1
Miguel Gouveia, Luís Pinheiro, João Costa, Margarida Borges
INTRODUCTION: In Portugal, the epidemiology of acute pulmonary embolism is poorly understood. In this study, we sought to characterize the pulmonary embolism from the hospital data and evaluate its in-hospital mortality and respective prognostic factors. MATERIAL AND METHODS: The study used diagnostic related groups data from National Health System hospitals from 2003 to 2013 and National Statistics Institute population data to establish the evolution of admissions with the diagnosis of pulmonary embolism, their inhospital mortality rates and the population incidence rates...
August 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27914110/physical-exercise-for-the-treatment-of-non-ulcerated-chronic-venous-insufficiency
#2
REVIEW
Diego N Araujo, Cibele Td Ribeiro, Alvaro Cc Maciel, Selma S Bruno, Guilherme Af Fregonezi, Fernando Al Dias
BACKGROUND: Chronic venous insufficiency (CVI) is a common disease that causes discomfort and impairs the quality of life of affected persons. Treatments such as physical exercise that aim to increase the movement of the ankle joint and strengthen the muscle pump in the calf of the leg may be useful to reduce the symptoms of CVI. OBJECTIVES: To assess and summarise the existing clinical evidence on the efficacy and safety of physical exercise programmes for the treatment of individuals with non-ulcerated CVI...
December 3, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27914030/active-compounds-extracted-from-extra-virgin-olive-oil-counteract-mesothelial-to-mesenchymal-transition-of-peritoneal-mesothelium-cells-exposed-to-conventional-peritoneal-dialysate-in-vitro-and-in-vivo-evidences
#3
S Lupinacci, G Toteda, D Vizza, A Perri, C Benincasa, A Mollica, A La Russa, P Gigliotti, F Leone, D Lofaro, M Bonofiglio, E Perri, R Bonofiglio
During peritoneal dialysis (PD), peritoneal mesothelial cells undergo a transition from an epithelial phenotype to a mesenchymal phenotype that, together with the inflammatory process, promotes tissue fibrosis and a failure of peritoneal membrane function. To date, there is no definitive treatment for the progressive thickening and angiogenesis of the peritoneal membrane associated with PD. In this study we tested, in vitro and in vivo, the ability of active compounds extracted from extra virgin olive oil (AC-EVOO) to counteract the mesothelial-to-mesenchymal transition process (MMT) observed in mesothelial cells chronically exposed to the conventional peritoneal dialysate (DL)...
December 2, 2016: Journal of Nephrology
https://www.readbyqxmd.com/read/27914008/igf1r-dental-pulp-stem-cells-enhanced-neuroplasticity-in-hypoxia-ischemia-model
#4
Hsiao-Yu Chiu, Chen-Huan Lin, Chung Y Hsu, John Yu, Chia-Hung Hsieh, Woei-Cherng Shyu
Until now, the surface markers of multipotent mesenchymal stem cells (MSCs) had not been fully identified. Here, we found that the IGF1 receptor (IGF1R), regarded as a pluripotent marker of embryonic stem cells (ESCs), was also expressed in human dental pulp derived-mesenchymal stem cells (hDSCs), which displayed a potential for both self-renewal and multipotency. hDSC-secreted IGF1 interacted with IGF1R through an autocrine signaling pathway to maintain this self-renewal and proliferation potential. Stereotaxic implantation of immunosorted IGF1R(+) hDSCs in rats with neonatal hypoxia-ischemia (NHI) promoted neuroplasticity, improving the neurological outcome by increasing expression of the anti-apoptotic protein Bcl-2, which enhanced both neurogenesis and angiogenesis...
December 2, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27913834/key-role-of-pacing-site-as-determinant-factor-of-exercise-testing-performance-in-pediatric-patients-with-chronic-ventricular-pacing
#5
Michel Cabrera Ortega, Hiram Tápanes Duamy, Dunia B Benítez Ramos
Chronic right ventricular (RV) apical pacing has been associated with deterioration of functional capacity and chronotropic incompetence during exercise testing in children. The effects of alternative pacing site on exercise performance in pediatric population remain unknown. We evaluated the influence of ventricular pacing site on exercise capacity in pediatric patients with complete congenital atrioventricular block requiring permanent pacemaker therapy. Sixty-four children paced from RV apex (n = 26), RV midseptum (n = 15) and left ventricular (LV) apex (n = 23) were studied cross-sectionally...
December 2, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27913821/theobromine-upregulates-osteogenesis-by-human-mesenchymal-stem-cells-in-vitro-and-accelerates-bone-development-in-rats
#6
Bret H Clough, Joni Ylostalo, Elizabeth Browder, Eoin P McNeill, Thomas J Bartosh, H Ralph Rawls, Tetsuo Nakamoto, Carl A Gregory
Theobromine (THB) is one of the major xanthine-like alkaloids found in cacao plant and a variety of other foodstuffs such as tea leaves, guarana and cola nuts. Historically, THB and its derivatives have been utilized to treat cardiac and circulatory disorders, drug-induced nephrotoxicity, proteinuria and as an immune-modulator. Our previous work demonstrated that THB has the capacity to improve the formation of hydroxyl-apatite during tooth development, suggesting that it may also enhance skeletal development...
December 2, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27913813/-rehabilitation-after-hip-and-knee-endoprosthetic-treatment-in-the-elderly
#7
H Bork
Due to current demographic developments with a continuous increase in average life expectancy and improved medical treatment, the number of elderly patients with joint replacement of the lower extremities also has increased in recent years. Most of these patients have not only one but several chronic diseases requiring treatment and medication. Drug-drug interaction and functional restrictions of the elderly additionally reduce the postoperative psychophysical capacity; therefore, special knowledge in rehabilitative treatment and pain management is necessary...
December 2, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27913801/the-pressure-reduction-coefficient-a-new-parameter-to-assess-aneurysmal-blood-stasis-induced-by-flow-diverters-disruptors
#8
Gregory Gascou, Riccardo Ferrara, Dominique Ambard, Mathieu Sanchez, Kyriakos Lobotesis, Franck Jourdan, Vincent Costalat
BACKGROUND AND PURPOSE: Pore density (PD), surface metal coverage (SMC) and the number of wires are all different parameters which can influence the efficacy of a flow disruptor/diverter. Nevertheless, the relative importance of a parameter to induce intra-aneurysmal blood stasis is still poorly evaluated. Therefore, comparison between devices based on a unique value is not reliable. The aim of this study was to propose a new bench top parameter (the pressure reduction coefficient (PRC; ξ)) in order to assess the global haemodynamic effect of each flow diverter/disruptor to slow flow...
December 2, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27913779/comparison-of-proliferative-and-immunomodulatory-potential-of-adipose-derived-mesenchymal-stem-cells-from-young-and-geriatric-cats
#9
Lara B Zajic, Tracy L Webb, Polly Webb, Jonathan W Coy, Steve W Dow, Jessica M Quimby
OBJECTIVES: The objective of this study was to compare the ability of adipose-derived mesenchymal stem cells (aMSC) generated from young vs geriatric cats to proliferate in culture, suppress lymphocyte proliferation and undergo senescence. METHODS: Adipose tissues from five young (<5 years) and six geriatric (>10 years) cats were harvested and cryopreserved for subsequent aMSC isolation and culture. aMSC proliferation in culture was compared via determination of time until passage two and by 3-(4,5-demethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay...
December 2, 2016: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/27913735/preoperative-pulmonary-rehabilitation-for-marginal-function-lung-cancer-patients
#10
Asra Hashmi, Frank A Baciewicz, Ayman O Soubani, Shirish M Gadgeel
BACKGROUND: This study aimed to evaluate the impact of preoperative pulmonary rehabilitation in lung cancer patients undergoing pulmonary resection surgery with marginal lung function. METHODS: Short-term outcomes of 42 patients with forced expiratory volume in 1 s < 1.6 L who underwent lung resection between 01/2006 and 12/2010 were reviewed retrospectively. They were divided into group A (no preoperative pulmonary rehabilitation) and group B (receiving pulmonary rehabilitation)...
December 2, 2016: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/27913695/a-randomized-double-blind-placebo-controlled-trial-of-coenzyme-q10-in-huntington-disease
#11
Andrew McGarry, Michael McDermott, Karl Kieburtz, Elisabeth A de Blieck, Flint Beal, Karen Marder, Christopher Ross, Ira Shoulson, Peter Gilbert, William M Mallonee, Mark Guttman, Joanne Wojcieszek, Rajeev Kumar, Mark S LeDoux, Mary Jenkins, H Diana Rosas, Martha Nance, Kevin Biglan, Peter Como, Richard M Dubinsky, Kathleen M Shannon, Padraig O'Suilleabhain, Kelvin Chou, Francis Walker, Wayne Martin, Vicki L Wheelock, Elizabeth McCusker, Joseph Jankovic, Carlos Singer, Juan Sanchez-Ramos, Burton Scott, Oksana Suchowersky, Stewart A Factor, Donald S Higgins, Eric Molho, Fredy Revilla, John N Caviness, Joseph H Friedman, Joel S Perlmutter, Andrew Feigin, Karen Anderson, Ramon Rodriguez, Nikolaus R McFarland, Russell L Margolis, Eric S Farbman, Lynn A Raymond, Valerie Suski, Sandra Kostyk, Amy Colcher, Lauren Seeberger, Eric Epping, Sherali Esmail, Nancy Diaz, Wai Lun Alan Fung, Alan Diamond, Samuel Frank, Philip Hanna, Neal Hermanowicz, Leon S Dure, Merit Cudkowicz
OBJECTIVE: To test the hypothesis that chronic treatment of early-stage Huntington disease (HD) with high-dose coenzyme Q10 (CoQ) will slow the progressive functional decline of HD. METHODS: We performed a multicenter randomized, double-blind, placebo-controlled trial. Patients with early-stage HD (n = 609) were enrolled at 48 sites in the United States, Canada, and Australia from 2008 to 2012. Patients were randomized to receive either CoQ 2,400 mg/d or matching placebo, then followed for 60 months...
December 2, 2016: Neurology
https://www.readbyqxmd.com/read/27913612/mechanisms-in-endocrinology-skeletal-muscle-lipotoxicity-in-insulin-resistance-and-type-2-diabetes-a-causal-mechanism-or-an-innocent-bystander
#12
REVIEW
Charlotte Brøns, Louise Groth Grunnet
Dysfunctional adipose tissue is associated with an increased risk of developing type 2 diabetes (T2D). One characteristic of a dysfunctional adipose tissue is the reduced expandability of the subcutaneous adipose tissue leading to ectopic storage of fat in organs and/or tissues involved in the pathogenesis of T2D that can cause lipotoxicity. Accumulation of lipids in the skeletal muscle is associated with insulin resistance, but the majority of previous studies do not prove any causality. Most studies agree that it is not the intramuscular lipids per se that causes insulin resistance, but rather lipid intermediates such as diacylglycerols, fatty acyl-CoAs and ceramides and that it is the localization, composition and turnover of these intermediates that play an important role in the development of insulin resistance and T2D...
February 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27913599/the-effect-of-food-quality-during-growth-on-spatial-memory-consolidation-in-adult-pigeons
#13
M F Scriba, J Gasparini, L Jacquin, C Mettke-Hofmann, N C Rattenborg, A Roulin
Poor environmental conditions experienced during early development can have negative long-term consequences on fitness. Animals can compensate negative developmental effects through phenotypic plasticity by diverting resources from non-vital to vital traits such as spatial memory to enhance foraging efficiency. We tested in young feral pigeons (Columba livia) how diets of different nutritional value during development affect the capacity to retrieve food hidden in a spatially complex environment, a process we refer to as "spatial memory"...
December 2, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27913585/the-influence-of-placental-metabolism-on-fatty-acid-transfer-to-the-fetus
#14
Simone Perazzolo, Birgit Hirschmugl, Christian Wadsack, Gernot Desoye, Rohan M Lewis, Bram G Sengers
The factors determining Fatty acid transfer across the placenta are not fully understood. This study used a combined experimental and computational modelling approach to explore placental transfer of non-esterified fatty acids and identify rate-determining processes. The isolated perfused human placenta was used to study the uptake and transfer of [(13)C]-fatty acids and the release of endogenous fatty acids. Only 6.2 ± 0.8% of the maternal (13)C-fatty acids taken up by the placenta was delivered to the fetal circulation...
December 2, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27913538/sickle-cell-disease-when-and-how-to-transfuse
#15
Jo Howard
Blood transfusion remains an important therapeutic intervention in patients with sickle cell disease (SCD), aiming to both increase the oxygen carrying capacity of blood and to reduce the complications of vaso-occlusion. Simple, manual exchange and automated exchange can be effective in reducing the acute and chronic complications of SCD, and the advantages and disadvantages of each methodology mean they all have a role in different situations. Evidence for the role of emergency transfusion in the management of the acute complications of SCD, including acute pain and acute chest syndrome, comes from observational data...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913377/optimization-and-assessment-of-three-different-high-performance-liquid-chromatographic-systems-for-the-combinative-fingerprint-analysis-and-multi-ingredients-quantification-of-sangju-ganmao-tablet
#16
Meng-Zhe Guo, Jie Han, Dan-Dan He, Jia-Hui Zou, Zheng Li, Yan Du, Dao-Quan Tang
Chromatographic separation is still a critical subject for the quality control of traditional Chinese medicine. In this study, three different high performance liquid chromatographic (HPLC) systems employing commercially available columns packed with 1.8, 3.5 and 5.0 μm particles were respectively developed and optimized for the combinative fingerprint analysis and multi-ingredients quantification of Sangju Ganmao tablet (SGT). Chromatographic parameters including the repeatability of retention time and peak area, symmetry factor, resolution, number of theoretical plates and peak capacity were used to assess the chromatographic performance of different HPLC systems...
December 1, 2016: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/27913336/local-spectral-analysis-of-the-cerebral-cortex-new-gyrification-indices
#17
Hamed Rabiei, Frederic Richard, Olivier Coulon, Julien Lefevre
Gyrification index (GI) is an appropriate measure to quantify the complexity of the cerebral cortex. There is, however, no universal agreement on the notion of surface complexity and there are various methods in literature that evaluate different aspects of cortical folding. In this paper, we give two intuitive interpretations on folding quantification based on the magnitude and variation of the mean curvature of the cortical surface. We then present a local spectral analysis of the mean curvature to introduce two local gyrification indices that satisfy our interpretations...
November 29, 2016: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/27913309/sequence-determinants-of-the-caenhorhabditis-elegansdopamine-transporter-dictating-in-vivoaxonal-export-and-synaptic-localization
#18
Sarah B Robinson, J Andrew Hardaway, Shannon L Hardie, Jane Wright, Ryan M Glynn, Daniel P Bermingham, Qiao Han, Sarah M Sturgeon, Phyllis Freeman, Randy D Blakely
The monoamine neurotransmitter dopamine (DA) acts across phylogeny to modulate both simple and complex behaviors. The presynaptic DA transporter (DAT) is a major determinant of DA signaling capacity in ensuring efficient extracellular DA clearance. In humans, DAT is also a major target for prescribed and abused psychostimulants. Multiple structural determinants of DAT function and regulation have been defined, though largely these findings have arisen from heterologous expression or ex vivo cell culture studies...
November 29, 2016: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/27913247/vitamin-d-insufficiency-and-asthma-in-a-us-nationwide-study
#19
Yueh-Ying Han, Erick Forno, Juan C Celedón
BACKGROUND: Vitamin D insufficiency (a serum 25-hydroxy vitamin D level of <30 ng/mL) has been associated with asthma morbidity. OBJECTIVE: To examine vitamin D insufficiency, asthma, and lung function among US children and adults. METHODS: Using data from the National Health and Nutrition Examination Survey from 2001 to 2010, we examined vitamin D insufficiency and (1) current asthma or wheeze in 10,860 children (6-17 years) and 24,115 adults (18-79 years) and (2) lung function in a subset of participants...
November 29, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27913159/assessing-functional-performance-using-computer-based-simulations-of-everyday-activities
#20
Sara J Czaja, David A Loewenstein, Chin Chin Lee, Shih Hua Fu, Philip D Harvey
Current functional capacity (FC) measures for patients with schizophrenia typically involve informant assessments or are in paper and pencil format, requiring in-person administration by a skilled assessor. This approach presents logistic problems and limits the possibilities for remote assessment, an important issue for these patients. This study evaluated the feasibility of using a computer-based assessment battery, including simulations of everyday activities. The battery was compared to in-person standard assessments of cognition and FC with respect to baseline convergence and sensitivity to group differences...
November 29, 2016: Schizophrenia Research
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