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https://www.readbyqxmd.com/read/28918620/conservative-management-of-colonoscopic-perforation-a-case-report
#1
Hossein Parsa, Arash Miroliaee, Zafar Doagoo, Saeed Sina
Colonoscopy is widely used for the diagnosis, treatment and a follow up of colorectal diseases. Perforation of the large bowel during elective colonoscopy is rare but serious life threatening complication. We report a 51-year-old woman who experienced recto sigmoid perforation during diagnostic colonoscopy. During 8 days of total hospitalization, she spent 3 days in ICU with gastrointestinal rest. The patient was hydrated and took intravenous antibiotics. In take-output and temperature were closely monitored...
July 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28918147/invited-review-effects-of-heat-stress-on-dairy-cattle-welfare
#2
Liam Polsky, Marina A G von Keyserlingk
The effects of high ambient temperatures on production animals, once thought to be limited to tropical areas, has extended into northern latitudes in response to the increasing global temperature. The number of days where the temperature-humidity index (THI) exceeds the comfort threshold (>72) is increasing in the northern United States, Canada, and Europe. Compounded by the increasing number of dairy animals and the intensification of production, heat stress has become one of the most important challenges facing the dairy industry today...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28917170/how-do-climatic-and-management-factors-affect-agricultural-ecosystem-services-a-case-study-in-the-agro-pastoral-transitional-zone-of-northern-china
#3
Jianmin Qiao, Deyong Yu, Jianguo Wu
Agricultural ecosystem management needs to ensure food production and minimize soil erosion and nitrogen (N) leaching under climate change and increasingly intensive human activity. Thus, the mechanisms through which climatic and management factors affect crop production, soil erosion, and N leaching must be understood in order to ensure food security and sustainable agricultural development. In this study, we adopted the GIS-based Environmental Policy Integrated Climate (EPIC) model to simulate crop production, soil erosion, and N leaching, and used a partial least squares regression model to evaluate the contributions of climate variables (solar radiation, precipitation, wind speed, relative humidity, and maximum and minimum temperature) and management factors (irrigation, fertilization, and crop cultivation area) on agricultural ecosystem services (AES) in the agro-pastoral transitional zone (APTZ) of northern China...
September 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28915548/a-spatio-temporal-statistical-model-of-maximum-daily-river-temperatures-to-inform-the-management-of-scotland-s-atlantic-salmon-rivers-under-climate-change
#4
Faye L Jackson, Robert J Fryer, David M Hannah, Colin P Millar, Iain A Malcolm
The thermal suitability of riverine habitats for cold water adapted species may be reduced under climate change. Riparian tree planting is a practical climate change mitigation measure, but it is often unclear where to focus effort for maximum benefit. Recent developments in data collection, monitoring and statistical methods have facilitated the development of increasingly sophisticated river temperature models capable of predicting spatial variability at large scales appropriate to management. In parallel, improvements in temporal river temperature models have increased the accuracy of temperature predictions at individual sites...
September 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28913711/emergency-neurological-life-support-resuscitation-following-cardiac-arrest
#5
Jonathan Elmer, Kees H Polderman
Cardiac arrest is the most common cause of death in North America. An organized bundle of neurocritical care interventions can improve chances of survival and neurological recovery in patients who are successfully resuscitated from cardiac arrest. Therefore, resuscitation following cardiac arrest was chosen as an Emergency Neurological Life Support protocol. Key aspects of successful early post-arrest management include: prevention of secondary brain injury; identification of treatable causes of arrest in need of emergent intervention; and, delayed neurological prognostication...
September 14, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28913485/an-in-vitro-study-of-the-release-capacity-of-the-local-anaesthetics-from-siloxane-matrices
#6
Gabriela Preda, Alexandru Florin Rogobete, Dorel Săndesc, Ovidiu Horea Bedreag, Carmen Alina Cradigati, Mirela Sarandan, Marius Papurica, Sonia Elena Popovici, Monica Dragomirescu
AIMS: In the field of anaesthesia and intensive care, the controlled release systems capable of delivering constantly local anaesthetics are of interest because of the advantages brought to pain management. In this paper we presented the release profiles by usage of siloxane matrices of two common local anaesthetics, lidocaine and bupivacaine, analysed in vitro. METHODS: The siloxane matrices were obtained in accordance with the methods described in the specialized literature, tetraethoxysilane (TEOS) and tetramethoxysilane (TMOS) were used as precursors...
October 2016: Rom J Anaesth Intensive Care
https://www.readbyqxmd.com/read/28905897/impact-of-a-global-temperature-rise-of-1-5-degrees-celsius-on-asia-s-glaciers
#7
P D A Kraaijenbrink, M F P Bierkens, A F Lutz, W W Immerzeel
Glaciers in the high mountains of Asia (HMA) make a substantial contribution to the water supply of millions of people, and they are retreating and losing mass as a result of anthropogenic climate change at similar rates to those seen elsewhere. In the Paris Agreement of 2015, 195 nations agreed on the aspiration to limit the level of global temperature rise to 1.5 degrees Celsius ( °C) above pre-industrial levels. However, it is not known what an increase of 1.5 °C would mean for the glaciers in HMA...
September 13, 2017: Nature
https://www.readbyqxmd.com/read/28904261/chemical-immobilization-of-free-ranging-and-captive-sunda-clouded-leopards-neofelis-diardi-with-two-anesthetic-protocols-medetomidine-ketamine-and-tiletamine-zolazepam
#8
Fernando Nájera, Andrew J Hearn, Joanna Ross, Diana A Ramírez Saldivar, Meaghan N Evans, Sergio Guerrero-Sánchez, Senthilvel K S S Nathan, Ignacio de Gaspar Simón, David W Macdonald, Benoit Goossens, Luis Revuelta Rueda
There is currently no available information regarding the veterinary management of Sunda clouded leopards (Neofelis diardi), either in captivity or in the wild. In this study, 12 Sunda clouded leopards were anesthetized between January 2008 and February 2014 for medical exams, and/or GPS-collaring. Seven wild-caught individuals were kept in captivity and 5 free-ranging animals were captured by cage traps. Two anesthesia combinations were used: medetomidine-ketamine (M-K) or tiletamine-zolazepam (T-Z). Atipamezole (0...
September 14, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28902139/autonomous-sensors-powered-by-energy-harvesting-from-von-karman-vortices-in-airflow
#9
Marco Demori, Marco Ferrari, Arianna Bonzanini, Pietro Poesio, Vittorio Ferrari
In this paper an energy harvesting system based on a piezoelectric converter to extract energy from airflow and use it to power battery-less sensors is presented. The converter is embedded as a part of a flexure beam that is put into vibrations by von Karman vortices detached from a bluff body placed upstream. The vortex street has been investigated by Computational Fluid Dynamics (CFD) simulations, aiming at assessing the vortex shedding frequency as a function of the flow velocity. From the simulation results the preferred positioning of the beam behind the bluff body has been derived...
September 13, 2017: Sensors
https://www.readbyqxmd.com/read/28900432/assessing-and-exploiting-functional-diversity-in-germplasm-pools-to-enhance-abiotic-stress-adaptation-and-yield-in-cereals-and-food-legumes
#10
REVIEW
Sangam L Dwivedi, Armin Scheben, David Edwards, Charles Spillane, Rodomiro Ortiz
There is a need to accelerate crop improvement by introducing alleles conferring host plant resistance, abiotic stress adaptation, and high yield potential. Elite cultivars, landraces and wild relatives harbor useful genetic variation that needs to be more easily utilized in plant breeding. We review genome-wide approaches for assessing and identifying alleles associated with desirable agronomic traits in diverse germplasm pools of cereals and legumes. Major quantitative trait loci and single nucleotide polymorphisms (SNPs) associated with desirable agronomic traits have been deployed to enhance crop productivity and resilience...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28900234/urea-deep-placement-reduces-yield-scaled-greenhouse-gas-ch4-and-n2o-and-no-emissions-from-a-ground-cover-rice-production-system
#11
Zhisheng Yao, Xunhua Zheng, Yanan Zhang, Chunyan Liu, Rui Wang, Shan Lin, Qiang Zuo, Klaus Butterbach-Bahl
Ground cover rice production system (GCRPS), i.e., paddy soils being covered by thin plastic films with soil moisture being maintained nearly saturated status, is a promising technology as increased yields are achieved with less irrigation water. However, increased soil aeration and temperature under GCRPS may cause pollution swapping in greenhouse gas (GHG) from CH4 to N2O emissions. A 2-year experiment was performed, taking traditional rice cultivation as a reference, to assess the impacts of N-fertilizer placement methods on CH4, N2O and NO emissions and rice yields under GCRPS...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28895277/evaluation-of-a-fever-management-algorithm-in-a-pediatric-cancer-center-in-a-low-resource-setting
#12
Sheena Mukkada, Cristel Kate Smith, Delta Aguilar, April Sykes, Li Tang, Mae Dolendo, Miguela A Caniza
BACKGROUND: In low- and middle-income countries (LMICs), inconsistent or delayed management of fever contributes to poor outcomes among pediatric patients with cancer. We hypothesized that standardizing practice with a clinical algorithm adapted to local resources would improve outcomes. Therefore, we developed a resource-specific algorithm for fever management in Davao City, Philippines. The primary objective of this study was to evaluate adherence to the algorithm. PROCEDURE: This was a prospective cohort study of algorithm adherence to assess the types of deviation, reasons for deviation, and pathogens isolated...
September 12, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28895271/multi-model-comparison-highlights-consistency-in-predicted-effect-of-warming-on-a-semi-arid-shrub
#13
Katherine M Renwick, Caroline Curtis, Andrew R Kleinhesselink, Daniel Schlaepfer, Bethany A Bradley, Cameron L Aldridge, Benjamin Poulter, Peter B Adler
A number of modeling approaches have been developed to predict the impacts of climate change on species distributions, performance and abundance. The stronger the agreement from models that represent different processes and are based on distinct and independent sources of information, the greater the confidence we can have in their predictions. Evaluating the level of confidence is particularly important when predictions are used to guide conservation or restoration decisions. We used a multi-model approach to predict climate change impacts on big sagebrush (Artemisia tridentata), the dominant plant species on roughly 43 million hectares in the western United States and a key resource for many endemic wildlife species...
September 12, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28895167/the-genetics-of-drought-tolerance-in-conifers
#14
REVIEW
Emily Moran, Jeffrey Lauder, Cameron Musser, Angela Stathos, Mengjun Shu
1 I. 1 II. 2 III. 4 IV. 5 V. 9 VI. 10 VII. 12 References 12 SUMMARY: As temperatures warm and precipitation patterns shift as a result of climate change, interest in the identification of tree genotypes that will thrive under more arid conditions has grown. In this review, we discuss the multiple definitions of 'drought tolerance' and the biological processes involved in drought responses. We describe the three major approaches taken in the study of genetic variation in drought responses, the advantages and shortcomings of each, and what each of these approaches has revealed about the genetic basis of adaptation to drought in conifers...
September 12, 2017: New Phytologist
https://www.readbyqxmd.com/read/28894421/impact-of-different-personal-protective-clothing-on-wildland-firefighters-physiological-strain
#15
Belén Carballo-Leyenda, José G Villa, Jorge López-Satué, Jose A Rodríguez-Marroyo
Wildfire firefighting is an extremely demanding occupation performed under hot environment. The use of personal protective clothing (PPC) is needed to protect subjects from the thermal exposure. However, the additional use of PPC may increase the wildland firefighters' physiological strain, and consequently limit their performance. The aim of this study was to analyze the effect of four different PPC on the physiological strain of wildland firefighters under moderate conditions (30°C and 30% RH). Eight active and healthy wildland firefighters performed a submaximal walking test wearing a traditional short sports gear and 4 different PPC...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28894256/a-scaling-law-for-distinct-electrocaloric-cooling-performance-in-low-dimensional-organic-relaxor-and-anti-ferroelectrics
#16
Yuping Shi, Limin Huang, Ai Kah Soh, George J Weng, Shuangyi Liu, Simon A T Redfern
Electrocaloric (EC) materials show promise in eco-friendly solid-state refrigeration and integrable on-chip thermal management. While direct measurement of EC thin-films still remains challenging, a generic theoretical framework for quantifying the cooling properties of rich EC materials including normal-, relaxor-, organic- and anti-ferroelectrics is imperative for exploiting new flexible and room-temperature cooling alternatives. Here, we present a versatile theory that combines Master equation with Maxwell relations and analytically relates the macroscopic cooling responses in EC materials with the intrinsic diffuseness of phase transitions and correlation characteristics...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28894082/chronic-inflammatory-demyelinating-polyneuropathy-cidp-an-uncommon-manifestation-of-systemic-lupus-erythematosus-sle
#17
Hrudya Abraham, Jose Kuzhively, Syed W Rizvi
BACKGROUND Chronic inflammatory demyelinating polyneuropathy (CIDP) is an uncommon manifestation of systemic lupus erythematosus (SLE). We report a case of SLE presenting as CIDP and discuss the diagnosis, management, and prognosis of CIDP. CASE REPORT A 40-year-old woman with a past medical history of SLE treated with hydroxychloroquine presented with bilateral, progressive, ascending, sensory and motor neuropathy. Physical examination showed weakness and reduced temperature of all extremities, reduced pinprick and vibration sense of the distal extremities, loss of reflexes, and walking with a wide-based unsteady gait...
September 12, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28892238/low-temperature-reductive-aminolysis-of-carbohydrates-to-diamines-and-aminoalcohols-through-heterogeneous-catalysis
#18
Michiel Pelckmans, Walter Vermandel, Frederik Van Waes, Kristof Moonen, Bert F Sels
Short amines such as ethanolamines and ethylene diamines are important compounds in today's bulk and fine chemicals industry. Unfortunately, current industrial manufacture of these chemicals relies on fossil resources and requires severe safety management to handle the explosive or toxic intermediates. Inspired by the elegant working mechanism of Aldolase enzymes, a novel heterogeneously catalyzed process, viz. reductive aminolysis, was developed for the efficient production of short amines from carbohydrates at low temperature...
September 11, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28888695/characterization-of-seasonal-reproductive-and-stress-steroid-hormones-in-wild-radiated-tortoises-astrochelys-radiata
#19
Andrea F T Currylow, Tsilavo H Rafeliarisoa, Edward E Louis, Craig B Stanford, Soary T Randrianjafizanaka, Sarah M Chinn, Daniel E Crocker
The critically endangered Radiated Tortoise (Astrochelys radiata) is endemic to the southern coastlines of Madagascar. Once common, wild populations of this tortoise have undergone dramatic declines in recent years. Although there have been studies documenting reproductive activities, reproductive physiological parameters are unknown yet may be crucial in the recovery of the species. Over four research seasons in remote field locations native to A. radiata, we surveyed for, radio-tracked, and sampled wild, free ranging tortoises...
September 6, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28887752/comparison-of-antipyretic-efficacy-of-intravenous-iv-acetaminophen-versus-oral-po-acetaminophen-in-the-management-of-fever-in-children
#20
Shuvendu Roy, A K Simalti
OBJECTIVE: To assess the dynamics of the onset of antipyretic efficacy of intravenous (IV) acetaminophen vs. oral (PO) acetaminophen in the management of fever in children. METHODS: This observational single-dose study was conducted at Department of Pedriatrics, Army Hospital (Research and Referral), a multispecialty tertiary care center in New Delhi in fever patients to assess the antipyretic efficacy of IV acetaminophen 15 mg/kg/dose vs. PO acetaminophen 15 mg/kg/dose over 6 h...
September 9, 2017: Indian Journal of Pediatrics
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