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https://www.readbyqxmd.com/read/28640776/early-fever-after-trauma-does-it-matter
#1
Holly E Hinson, Susan Rowell, Cynthia Morris, Amber L Lin, Martin A Schreiber
BACKGROUND: Fever is strongly associated with poor outcome after traumatic brain injury (TBI). We hypothesized that early fever is a direct result of brain injury and thus would be more common in TBI than in patients without brain injury, and associated with inflammation. METHODS: We prospectively enrolled patients with major trauma with and without TBI from a busy level I trauma center ICU. Patients were assigned to one of four groups based on their presenting Head Abbreviated Injury Severity Scale scores (HAIS): Polytrauma: Head AIS score >2, one other region>2, Isolated Head: Head AIS score>2, all other regions <3, Isolated Body: One region >2, excluding Head/Face, Minor Injury: No region with AIS>2...
June 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28636255/recombinant-human-serum-albumin-for-corneal-preservation
#2
Mohit Parekh, Hossein Elbadawy, Gianni Salvalaio, Marie-Claude Amoureux, Enzo Di Iorio, Denis Fortier, Diego Ponzin, Stefano Ferrari, Alessandro Ruzza
PURPOSE: To study the performance of a completely synthetic organ culture (OC) preservation system containing recombinant human serum albumin (rHSA) for preservation of human donor corneas. METHODS: Twenty-four paired donor corneas were randomly collected, and one cornea from each donor was preserved in synthetic (experimental) and serum-based media (control). The tissues were assessed at day 0; after 6 days of preservation at room temperature (RT) in Cornea Trans(®) and Cornea Prep II(®) ; after 28 days at 31°C in Cornea Syn(®) [with rHSA] and Cornea Max(®) [with foetal calf serum (FCS)] and; 4-day post deswelling in Cornea Trans(®) and Cornea Jet(®) ...
June 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28630921/increasing-probability-of-mortality-during-indian-heat-waves
#3
Omid Mazdiyasni, Amir AghaKouchak, Steven J Davis, Shahrbanou Madadgar, Ali Mehran, Elisa Ragno, Mojtaba Sadegh, Ashmita Sengupta, Subimal Ghosh, C T Dhanya, Mohsen Niknejad
Rising global temperatures are causing increases in the frequency and severity of extreme climatic events, such as floods, droughts, and heat waves. We analyze changes in summer temperatures, the frequency, severity, and duration of heat waves, and heat-related mortality in India between 1960 and 2009 using data from the India Meteorological Department. Mean temperatures across India have risen by more than 0.5°C over this period, with statistically significant increases in heat waves. Using a novel probabilistic model, we further show that the increase in summer mean temperatures in India over this period corresponds to a 146% increase in the probability of heat-related mortality events of more than 100 people...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630035/the-effects-of-preoperative-volume-replacement-in-diabetic-patients-undergoing-coronary-artery-bypass-grafting-surgery-protocol-for-a-randomized-controlled-trial-verdict-trial
#4
Madeleine Clout, Tracy Harris, Chris Rogers, Lucy Culliford, Jodi Taylor, Gianni Angelini, Pradeep Narayan, Barnaby Reeves, James Hillier, Kate Ashton, Kunal Sarkar, Raimondo Ascione
BACKGROUND: Diabetes mellitus is a major risk factor for prolonged hospital stays, renal failure, and mortality in patients having coronary artery bypass grafting (CABG). Complications pose a serious threat to patients and prolong intensive care and hospital stays. Low glomerular filtration rate (GFR) due to existing renal impairment or volume depletion may exacerbate acute renal impairment/failure in these patients. Preoperative volume replacement therapy (VRT) is reported to increase the GFR and we hypothesize that VRT will reduce renal impairment and related complications in diabetic patients...
June 19, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28629681/association-of-ischemic-and-hemorrhagic-strokes-hospital-admission-with-extreme-temperature-in-nanchang-china-a-case-crossover-study
#5
Jing-Hua Chen, Han Jiang, Lei Wu, Xiong Liao, Yuanan Lu, Xue-Qin Tao, Peng-Fei Deng, Yao Long, He-Lang Huang
Despite consistent evidence of a higher short-term risk of stroke mortality associated with ambient temperature, there are no findings on the association between extreme temperature and stroke. A total of 16,264 stroke hospital admissions were observed in three hospitals of Nanchang between 2008 and 2015. The case-crossover design was utilized for our study. Conditional logistic regression models were used to calculate the odds ratios. Extreme high temperature exposure during the 3days before the stroke was associated with both ischemic (OR=1...
June 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28629317/surface-hypothermia-predicts-murine-mortality-in-the-intragastric-vibrio-vulnificus-infection-model
#6
Hannah E Gavin, Karla J F Satchell
BACKGROUND: The Gram-negative bacterium Vibrio vulnificus can cause severe disease in humans who consume undercooked, contaminated seafood. To study food-borne V. vulnificus disease in the laboratory, mouse virulence studies predominantly use death as the primary experimental endpoint because behaviorally based moribund status does not consistently predict lethality. This study assessed ventral surface temperature (VST) and its association with mouse survival during V. vulnificus virulence studies as an efficacious, humane alternative...
June 19, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28627636/formulation-and-characterization-of-egcg-for-the-treatment-of-superficial-bladder-cancer
#7
Katarzyna Dettlaff, Maciej Stawny, Magdalena Ogrodowczyk, Anna Jelińska, Waldemar Bednarski, Dorota Wątróbska-Świetlikowska, Rick W Keck, Omar A Khan, Ibrahim H Mostafa, Jerzy Jankun
In the United States, the annual incidence of bladder cancer is approximately 70,000 new cases, with a mortality rate of approximately 15,000/year. The most common subtype (70%) of bladder cancer is superficial, namely hte non-muscle invasive disease form limited to the urothelium. The rate of progression and recurrence is up to 40 and 70%, respectively. Urothelial cell carcinoma of the bladder is typically treated with transurethral resection. The cancerous cells can float onto the adjacent epithelium, increasing the risk of recurrence...
June 14, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28626613/modelling-environmental-drivers-of-black-band-disease-outbreaks-in-populations-of-foliose-corals-in-the-genus-montipora
#8
Carla C M Chen, David G Bourne, Christopher C Drovandi, Kerrie Mengersen, Bette L Willis, M Julian Caley, Yui Sato
Seawater temperature anomalies associated with warming climate have been linked to increases in coral disease outbreaks that have contributed to coral reef declines globally. However, little is known about how seasonal scale variations in environmental factors influence disease dynamics at the level of individual coral colonies. In this study, we applied a multi-state Markov model (MSM) to investigate the dynamics of black band disease (BBD) developing from apparently healthy corals and/or a precursor-stage, termed 'cyanobacterial patches' (CP), in relation to seasonal variation in light and seawater temperature at two reef sites around Pelorus Island in the central sector of the Great Barrier Reef...
2017: PeerJ
https://www.readbyqxmd.com/read/28626038/phenology-of-perennial-native-grass-belowground-axillary-buds-in-the-northern-mixed-grass-prairie
#9
Morgan L Russell, Lance T Vermeire, Amy C Ganguli, John R Hendrickson
PREMISE OF THE STUDY: Vegetative reproduction from belowground bud banks is the primary driver of grassland systems. Despite the importance of bud banks, the timing of recruitment and the crucial link between formation and maintenance is unknown. METHODS: We assessed patterns of belowground bud development, dormancy, and mortality associated with three perennial native grasses in the northern Great Plains. Temperature and soil moisture were measured below the soil surface to determine relationships with belowground bud development...
June 16, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28625272/-research-progress-in-the-multiple-organ-dysfunction-syndrome-caused-by-heat-stroke
#10
Mengmeng Yang, Yu Zhang, Yan Zhao, Hongjun Kang
Heat stroke (HS) is a life-threatening illness characterized by core body temperatures above 40 °C coupled with central nervous system (CNS) dysfunction, including delirium, convulsions, and/or coma. Its morbidity has increased dramatically in the past few decades. Multiple organ dysfunction syndrome (MODS) is not only the most serious complication of HS, but also the leading cause of deaths. Understanding the pathogenesis, characteristic and advancement pattern of MODS caused by HS will have a profound effect on the clinical treatment, research and mortality decrease...
February 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28623424/does-air-pollution-trigger-suicide-a-case-crossover-analysis-of-suicide-deaths-over-the-life-span
#11
Lidia Casas, Bianca Cox, Mariska Bauwelinck, Benoit Nemery, Patrick Deboosere, Tim Steve Nawrot
In addition to underlying health disorders and socio-economic or community factors, air pollution may trigger suicide mortality. This study evaluates the association between short-term variation in air pollution and 10 years of suicide mortality in Belgium. In a bidirectional time-stratified case-crossover design, 20,533 suicide deaths registered between January 1st 2002 and December 31st 2011 were matched by temperature with control days from the same month and year. We used municipality-level air pollution [particulate matter (PM10) and O3 concentrations] data and meteorology data...
June 16, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28623302/insecticide-susceptibility-of-anopheles-mosquitoes-changes-in-response-to-variations-in-the-larval-environment
#12
Henry F Owusu, Nakul Chitnis, Pie Müller
Insecticide resistance threatens the success achieved through vector control in reducing the burden of malaria. An understanding of insecticide resistance mechanisms would help to develop novel tools and strategies to restore the efficacy of insecticides. Although we have substantially improved our understanding of the genetic basis of insecticide resistance over the last decade, we still know little of how environmental variations influence the mosquito phenotype. Here, we measured how variations in larval rearing conditions change the insecticide susceptibility phenotype of adult Anopheles mosquitoes...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622787/monitoring-of-the-newborn-dog-and-prediction-of-neonatal-mortality
#13
Hanna Mila, Aurélien Grellet, Marine Delebarre, Claire Mariani, Alexandre Feugier, Sylvie Chastant-Maillard
Despite the high neonatal mortality rate in puppies, pertinent criteria for health evaluation of the newborns are not defined. This study was thus designed to measure and to characterize factors of variation of six health parameters in dog neonates, and to evaluate their value as predictors of neonatal mortality. A total of 347 purebred puppies under identical conditions of housing and management were examined within the first 8h after birth and then at Day 1. The first health evaluation included Apgar score, weight, blood glucose, lactate and β-hydroxybutyrate concentration, rectal temperature and urine specific gravity (SG)...
August 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28621028/climate-change-and-temperature-linked-hatchling-mortality-at-a-globally-important-sea-turtle-nesting-site
#14
Jacques-Olivier Laloë, Jacquie Cozens, Berta Renom, Albert Taxonera, Graeme C Hays
The study of temperature-dependent sex determination (TSD) in vertebrates has attracted major scientific interest. Recently, concerns for species with TSD in a warming world have increased because imbalanced sex ratios could potentially threaten population viability. In contrast, relatively little attention has been given to the direct effects of increased temperatures on successful embryonic development. Using 6603 days of sand temperature data recorded across 6 years at a globally important loggerhead sea turtle rookery-the Cape Verde Islands-we show the effects of warming incubation temperatures on the survival of hatchlings in nests...
June 16, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28618183/effects-of-different-temperature-regimes-on-survival-of-diaphorina-citri-and-its-endosymbiotic-bacterial-communities
#15
Mubasher Hussain, Komivi Senyo Akutse, Keppanan Ravindran, Yongwen Lin, Bamisope Steve Bamisile, Muhammad Qasim, Chandra Kanta Dash, Liande Wang
The Asian citrus psyllid, Diaphorina citri, is a major pest of citrus and vector of citrus greening (huanglongbing) in Asian. In our field-collected psyllid samples, we discovered that Fuzhou (China) and Faisalabad (Pakistan), populations harbored an obligate primary endosymbiont Candidatus Carsonella (gen. nov.) with a single species, Candidatus Carsonella ruddii (sp. nov.), and a secondary endosymbiont, Wolbachia surface proteins (WSP) which are intracellular endosymbionts residing in the bacteriomes. Responses of these symbionts to different temperatures were examined and their host survival assessed...
June 15, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28614955/systemic-effects-after-intravitreal-injection-of-bevacizumab-in-new-born-rabbit-eyes
#16
Yih-Shiou Hwang, Chi-Hsien Liu, Yin-Cheng Huang, Chih-Shan Chen, Tun-Lu Chen, Nan-Kai Wang, Yen-Po Chen, Kwan-Jen Chen, Chi-Chun Lai, Wei-Chi Wu
PURPOSE: To determine the systemic impact of intravitreal bevacizumab (IVB), an anti-vascular endothelium growth factor antibody, after injection into newborn rabbit eyes. MATERIALS AND METHODS: We used four groups of rabbits. Group 1 rabbits received a single injection of IVB starting from the age of 6 weeks. Group 2 rabbits received a single injection of balanced salt solution (BSS, 0.025 ml) and served as controls for group 1. Group 3 rabbits received 2 consecutive injections of IVB at the ages of 6 weeks and 10 weeks...
June 14, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28614673/pseudogymnoascus-destructans-transcriptome-changes-during-white-nose-syndrome-infections
#17
Sophia M Reeder, Jonathan M Palmer, Jenni M Prokkola, Thomas M Lilley, DeeAnn M Reeder, Kenneth A Field
White nose syndrome (WNS) is caused by the psychrophilic fungus Pseudogymnoascus destructans that can grow in the environment saprotrophically or parasitically by infecting hibernating bats. Infections are pathological in many species of North American bats, disrupting hibernation and causing mortality. To determine what fungal pathways are involved in infection of living tissue, we examined fungal gene expression using RNA-Seq. We compared P. destructans gene expression when grown in culture to that during infection of a North American bat species, Myotis lucifugus, that shows high WNS mortality...
June 14, 2017: Virulence
https://www.readbyqxmd.com/read/28612299/enhancement-of-photodynamic-inactivation-of-staphylococcus-aureus-biofilms-by-disruptive-strategies
#18
Lautaro Gándara, Leandro Mamone, Gabriela Cervini Bohm, Fernanda Buzzola, Adriana Casas
Photodynamic inactivation (PDI) has been used to inactivate microorganisms through the use of photosensitizers and visible light. On the one hand, near-infrared treatment (NIRT) has also bactericidal and dispersal effects on biofilms. In addition, dispersal biological tools such as enzymes have also been employed in antibiotic combination treatments. The aim of this work was to use alternative approaches to increase the PDI efficacy, employing combination therapies aimed at the partial disruption of the biofilms, thus potentially increasing photosensitizer or oxygen penetration and interaction with bacteria...
June 13, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28609247/the-uses-and-limitations-of-a-hand-held-germicidal-ultraviolet-wand-for-surface-disinfection
#19
George Byrns, Beverly Barham, Liangcheng Yang, Kathryn Webster, George Rutherford, Garrett Steiner, Daniel Petras, Michele Scannell
The morbidity and mortality from healthcare associated infections has raised concern that conventional disinfection methods are inadequate and that other adjunct methods such as room fumigation and ultraviolet irradiation may be needed. There is also concern that these alternative methods may pose a risk to workers and patients. OBJECTIVES: (1) Determine the efficacy of a germicidal UV-C wand for surface disinfection, (2) evaluate changing relative humidity (RH) and different target distances on bacteria kill rates, and (3) assess potential exposure concerns...
June 13, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28604284/thermal-performance-curves-and-the-metabolic-theory-of-ecology-a-practical-guide-to-models-and-experiments-for-parasitologists
#20
Péter K Molnár, Jason P Sckrabulis, Karie A Altman, Thomas R Raffel
Climate change will affect host-parasite dynamics in complex ways. The development of forecast models is necessary for proactive disease management, but past studies frequently reported thermal performance data in idiosyncratic ways that have limited use for parameterizing thermal host-parasite models. Developing improved forecast models will require strong collaborations between experimental parasitologists and disease modelers. The purpose of this article is to facilitate such collaborations by reviewing practical considerations for describing thermal performance curves of parasite and host performance traits, and using them to predict climate change impacts on host-parasite systems...
June 6, 2017: Journal of Parasitology
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