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https://www.readbyqxmd.com/read/28804896/load-dependence-of-myocardial-deformation-variables-a-clinical-strain-echocardiographic-study
#1
M Fredholm, K Jörgensen, E Houltz, S-E Ricksten
BACKGROUND: The effects of left ventricular (LV) loading on myocardial deformation variables are not well-studied in the clinical setting. In the present study, we evaluated the effects of isolated changes in preload, afterload and heart rate on LV longitudinal strain, systolic (SR-S) and early diastolic strain rate (SR-E) in post-cardiac surgery patients. METHODS: Twenty-one patients were studied early after cardiac surgery. Longitudinal myocardial strain and SR were analysed off-line using 2-D speckle echocardiography...
August 13, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28803153/comparison-of-sediment-and-nutrient-export-and-runoff-characteristics-from-watersheds-with-centralized-versus-distributed-stormwater-management
#2
Kristina G Hopkins, J V Loperfido, Laura S Craig, Gregory B Noe, Dianna M Hogan
Stormwater control measures (SCMs) are used to retain stormwater and pollutants. SCMs have traditionally been installed in a centralized manner using detention to mitigate peak flows. Recently, distributed SCM networks that treat runoff near the source have been increasingly utilized. The aim of this study was to evaluate differences among watersheds that vary in SCM arrangement by assessing differences in baseflow nutrient (NOx-N and PO4(-)) concentrations and fluxes, stormflow export of suspended sediments and particulate phosphorus (PP), and runoff characteristics...
August 9, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28802798/most-common-sites-on-mri-of-intracranial-neoplastic-leptomeningeal-disease
#3
J Matthew Debnam, Rory R Mayer, T Linda Chi, Leena Ketonen, Jeffrey S Weinberg, Wei Wei, Morris D Groves, Nandita Guha-Thakurta
Neoplastic leptomeningeal disease (LMD) represents infiltration of the leptomeninges by tumor cells. Knowledge of the frequencies of locations of LMD on MRI may assist in early detection, help elucidate the process of leptomeningeal spread of cancer and understand how LMD affects the central nervous system. Our goal was to identify intracranial sites of neoplastic LMD predilection on MRI in patients with cytologically-proven LMD. The presence of FLAIR signal hyperintensity and T1-weighted post-contrast enhancement in the sulci of the supratentorial compartment and cerebellum and enhancement of the cranial nerves (CNs), basal cisterns, pituitary stalk, and ependymal surface of the lateral ventricles, as well as the presence of parenchymal metastasis were recorded...
August 9, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28802148/inattentional-blindness-in-anesthesiology-a-simulation-study
#4
Anthony M-H Ho, Joseph Y C Leung, Glenio B Mizubuti, Leeanne H Contardi, Matthew T V Chan, Thomas S F Lo, Alex K T Lee
STUDY OBJECTIVES: Inattentional blindness is the psychological phenomenon of inability to see the unexpected even if it is in plain view. We hypothesized that anesthesiologists may overlook unexpected intraoperative events whereas medical students, lacking in intraoperative monitoring experience and knowledge, may be more likely to notice such events. DESIGN: A simulation study using a video of a simulated septic patient undergoing abdominal surgery. SETTING: A large academic center...
August 9, 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28801969/anesthetic-management-for-intestinal-transplantation-a-decade-of-experience
#5
Jeron Zerillo, Sang Kim, Bryan Hill, David Shapiro, Hung-Mo Lin, Alyssa Burnham, Jang Moon, Kishore Iyer, Samuel DeMaria
BACKGROUND: Intestinal transplantation (ITx) is the definitive therapy for patients suffering from intestinal failure. Previous published reports suggest that these cases should be managed peri-operatively with the same intensive monitors and techniques as in liver transplantation. METHODS: We retrospectively reviewed the anesthetic management of sixty-seven isolated intestinal, intestinal-pancreas and intestinal-kidney transplants over the previous decade (2005-2015) in our tertiary care institution...
August 12, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28801751/activity-demands-during-multi-directional-team-sports-a-systematic-review
#6
REVIEW
Jeffrey B Taylor, Alexis A Wright, Steven L Dischiavi, M Allison Townsend, Adam R Marmon
BACKGROUND: Late-stage rehabilitation programs often incorporate 'sport-specific' demands, but may not optimally simulate the in-game volume or intensity of such activities as sprinting, cutting, jumping, and lateral movement. OBJECTIVE: The aim of this review was to characterize, quantify, and compare straight-line running and multi-directional demands during sport competition. DATA SOURCES: A systematic review of PubMed, CINAHL, SPORTDiscus, and Cochrane Central Register of Controlled Trials databases was conducted...
August 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28801423/comparative-efficacy-and-acceptability-of-antidepressants-psychological-interventions-and-their-combination-for-depressive-disorder-in-children-and-adolescents-protocol-for-a-network-meta-analysis
#7
Xinyu Zhou, Andrea Cipriani, Yuqing Zhang, Pim Cuijpers, Sarah E Hetrick, John R Weisz, Juncai Pu, Cinzia Del Giovane, Toshiaki A Furukawa, Jürgen Barth, David Coghill, Stefan Leucht, Lining Yang, Arun V Ravindran, Peng Xie
INTRODUCTION: Depressive disorder is common in children and adolescents, with important consequences and serious impairments in terms of personal and social functioning. While both pharmacological and psychological interventions have been shown to be effective, there is still uncertainty about the balance between these and what treatment strategy should be preferred in clinical practice. Therefore, we aim to compare and rank in a network meta-analysis (NMA) the commonly used psychological, pharmacological and combined interventions for depressive disorder in children and adolescents...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28801101/calcium-signaling-and-cell-cycle-progression-or-death
#8
REVIEW
Juliette Humeau, José Manuel Bravo-San Pedro, Ilio Vitale, Lucia Nuñez, Carlos Villalobos, Guido Kroemer, Laura Senovilla
Cytosolic Ca(2+) concentration levels fluctuate in an ordered manner along the cell cycle, in line with the fact that Ca(2+) is involved in the regulation of cell proliferation. Cell proliferation should be an error-free process, yet is endangered by mistakes. In fact, a complex network of proteins ensures that cell cycle does not progress until the previous phase has been successfully completed. Occasionally, errors occur during the cell cycle leading to cell cycle arrest. If the error is severe, and the cell cycle checkpoints work perfectly, this results into cellular demise by activation of apoptotic or non-apoptotic cell death programs...
July 25, 2017: Cell Calcium
https://www.readbyqxmd.com/read/28801067/dna-methylation-in-cho-cells
#9
Anna Wippermann, Thomas Noll
Chinese hamster ovary (CHO) cells account for the production of the majority of biopharmaceutical molecules - however, the molecular basis for their versatile properties is not entirely understood yet and the underlying cellular processes need to be characterized in detail. One such process that is supposed to contribute significantly to CHO cell phenotype is methylation of DNA at cytosine residues. DNA methylation was shown to be involved in several central biological processes in humans and to contribute to diseases like cancer...
August 8, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28798951/histomorphological-description-of-the-digestive-system-of-pebbly-fish-alestes-baremoze-joannis-1835
#10
Nasser Kasozi, Gerald Iwe Degu, Julius Mukalazi, Charles Drago Kato, Majid Kisekka, Akisoferi Owori Wadunde, Godfrey Kityo, Victoria Tibenda Namulawa
Histomorphological studies of the digestive system of Alestes baremoze captured from Lake Albert, Uganda, were done using standard procedures. These revealed that A. baremoze has a fleshy-lipped terminal small mouth, large molar, short oesophagus, a three-lobed liver, pouch-like stomach, a nine-fingered caeca, and a long tubular intestine. A stratified squamous epithelium with numerous mucus-secreting cells lined the lips with no taste buds. Stratified squamous epithelia lined the oesophagus in the anterior portion which turned into a columnar epithelium towards the stomach...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28797309/aging-well-on-the-autism-spectrum-the-perspectives-of-autistic-adults-and-carers
#11
Ye In Jane Hwang, Kitty-Rose Foley, Julian N Trollor
BACKGROUND: "Aging well" is an increasingly popular concept in gerontology. Adults with disabilities such as autism spectrum disorder represent a demographically substantial population, yet remain excluded from existing conceptualizations of aging well. This qualitative study aimed to explore what it means for autistic adults to "age well" from the perspectives of autistic adults and carers. METHODS: Twenty-four semi-structured interviews were conducted with 15 autistic adults (mean age 50...
August 11, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28797289/insulin-resistance-and-associated-factors-among-hiv-infected-patients-in-sub-saharan-africa-a-cross-sectional-study-from-cameroon
#12
Steve Raoul Ngongang Noumegni, Jobert Richie Nansseu, Vicky Jocelyne Moor Ama, Jean Joel Bigna, Felix Kembe Assah, Magellan Guewo-Fokeng, Steve Leumi, Jean-Claude Katte, Mesmin Dehayem, Andre Pascal Kengne, Eugene Sobngwi
BACKGROUND: Little is known on the magnitude and correlates of insulin resistance in HIV-infected people in Africa. We determined the prevalence of insulin resistance and investigated associated factors in HIV-infected adult Cameroonians. METHODS: We conducted a cross-sectional study at the Yaoundé Central Hospital, Cameroon; during which we enrolled HIV-infected people aged 30 to 74 years with no previous history of cardiovascular disease. An homeostatic model assessment of insulin resistance (HOMA-IR) like index served to assess insulin sensitivity with insulin resistance defined by values of 2...
August 10, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28796254/sunitinib-induces-genomic-instability-of-renal-carcinoma-cells-through-affecting-the-interaction-of-lc3-ii-and-parp-1
#13
Siyuan Yan, Ling Liu, Fengxia Ren, Quan Gao, Shanshan Xu, Bolin Hou, Yange Wang, Xuejun Jiang, Yongsheng Che
Deficiency of autophagy has been linked to increase in nuclear instability, but the role of autophagy in regulating the formation and elimination of micronuclei, a diagnostic marker for genomic instability, is limited in mammalian cells. Utilizing immunostaining and subcellular fractionation, we found that either LC3-II or the phosphorylated Ulk1 localized in nuclei, and immunoprecipitation results showed that both LC3 and Unc-51-like kinase 1 (Ulk1) interacted with γ-H2AX, a marker for the DNA double-strand breaks (DSB)...
August 10, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28795616/the-effects-of-glial-cell-line-derived-neurotrophic-factor-after-spinal-cord-injury
#14
Konstantin Rosich, Bishoy Hanna, Rami K Ibrahim, Daniel Joseph Hellenbrand, Amgad Hanna
Spinal cord injury (SCI) is a devastating condition affecting 270,000 people in the United States. The use of growth factors is a potential treatment for reducing secondary damage, promoting axon growth and restoring some of the lost function after SCI. Glial cell line-derived neurotrophic factor (GDNF) is an important growth factor, because it can affect both neurons and support cells. Here, we give an in depth review of the previously published literature where GDNF was used to treat SCI. The effects of GDNF have been shown to decrease lesion size, improve allodynia, and regenerate axons in the central nervous system and peripheral nervous system...
August 10, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28795494/an-extended-high-frequency-ultrasound-protocol-for-detection-of-vessel-wall-inflammation
#15
H Zachrisson, C Svensson, A Dremetsika, P Eriksson
OBJECTIVE: The aim of this study was to evaluate an extended protocol of the large vessels using high-frequency duplex ultrasound (DUS) for detection of vessel wall inflammation. METHODS: Fifty-eight patients performed a DUS examination where arteritis could not be excluded. All DUS examinations were performed using ACUSON S2000 TM ultrasound system (Siemens Medical Solutions USA, Inc.). High-frequency linear transducers were used (18L6 MHz, 9L4MHz) or curve linear for the aortic arch (6C2 MHz)...
August 9, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28794958/saccharomyces-cerevisiae-var-boulardii-fungemia-following-probiotic-treatment
#16
Marcelo C Appel-da-Silva, Gabriel A Narvaez, Leandro R R Perez, Laura Drehmer, Jairo Lewgoy
Probiotics are commonly prescribed as an adjuvant in the treatment of antibiotic-associated diarrhea caused by Clostridium difficile. We report the case of an immunocompromised 73-year-old patient on chemotherapy who developed Saccharomyces cerevisiae var. boulardii fungemia in a central venous catheter during treatment of antibiotic-associated pseudomembranous colitis with the probiotic Saccharomyces cerevisiae var. boulardii. Fungemia was resolved after interruption of probiotic administration without the need to replace the central venous line...
December 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28794190/model-of-rhythmic-ball-bouncing-using-a-visually-controlled-neural-oscillator
#17
Guillaume Avrin, Isabelle Anne Siegler, Maria Makarov, Pedro Rodriguez-Ayerbe
The present paper investigates the sensory-driven modulations of Central Pattern Generators dynamics that can be expected to reproduce human behavior during rhythmic hybrid tasks. We propose a theoretical model of human sensorimotor behavior able to account for the observed data from the ball-bouncing task. The novel control architecture is composed of a Matsuoka neural oscillator parametrically controlled by a sensorimotor controller and coupled with the environment through visual sensory feedback. The architecture's ability to reproduce human-like performance during the ball-bouncing task in the presence of perturbations is quantified by comparison of simulated and recorded trials...
August 9, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28793316/knowledge-of-hiv-related-disabilities-and-challenges-in-accessing-care-qualitative-research-from-zimbabwe
#18
Lena Morgon Banks, Maria Zuurmond, Rashida Ferrand, Hannah Kuper
INTRODUCTION: While the rapid expansion in antiretroviral therapy access in low and middle income countries has resulted in dramatic declines in mortality rates, many people living with HIV face new or worsening experiences of disability. As nearly 1 in 20 adults are living with HIV in sub-Saharan Africa-many of whom are likely to develop disabling sequelae from long-term infection, co-morbidities and side effects of their treatment-understanding the availability and accessibility of services to address HIV-related disabilities is of vital importance...
2017: PloS One
https://www.readbyqxmd.com/read/28793307/larrea-tridentata-a-novel-source-for-anti-parasitic-agents-active-against-entamoeba-histolytica-giardia-lamblia-and-naegleria-fowleri
#19
Bharat Bashyal, Linfeng Li, Trpta Bains, Anjan Debnath, Daniel V LaBarbera
Protozoan parasites infect and kill millions of people worldwide every year, particularly in developing countries where access to clean fresh water is limited. Among the most common are intestinal parasites, including Giardia lamblia and Entamoeba histolytica. These parasites wreak havoc on the epithelium lining the small intestines (G. lamblia) and colon (E. histolytica) causing giardiasis and amebiasis, respectively. In addition, there are less common but far more deadly pathogens such as Naegleria fowleri that thrive in warm waters and infect the central nervous systems of their victims via the nasal passages...
August 9, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28793074/sustainability-of-arv-provision-in-developing-countries-challenging-a-framework-based-on-program-history
#20
Thiago Botelho Azeredo, Maria Auxiliadora Oliveira, Cláudia Du Bocage Santos-Pinto, Elaine Silva Miranda, Claudia Garcia Serpa Osorio-de-Castro
The provision of ARVs is central to HIV/AIDS programs, because of its impact on the course of the disease and on quality of life. Although first-line treatments costs have declined, treatment-associated expenses are steeper each year. Sustainability is therefore an important variable for the success of treatment programs. A conceptual framework on sustainability of ARV provision was developed, followed by data collection instruments. The pilot study was undertaken in Brazil. Bolivia, Peru and Mozambique, were visited...
August 2017: Ciência & Saúde Coletiva
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