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https://www.readbyqxmd.com/read/28531966/how-do-disturbances-and-climate-effects-on-carbon-and-water-fluxes-differ-between-multi-aged-and-even-aged-coniferous-forests
#1
Xuguang Tang, Hengpeng Li, Mingguo Ma, Li Yao, Matthias Peichl, Altaf Arain, Xibao Xu, Michael Goulden
Disturbances and climatic changes significantly affect forest ecosystem productivity, water use efficiency (WUE) and carbon (C) flux dynamics. A deep understanding of terrestrial feedbacks to such effects and recovery mechanisms in forests across contrasting climatic regimes is essential to predict future regional/global C and water budgets, which are also closely related to the potential forest management decisions. However, the resilience of multi-aged and even-aged forests to disturbances has been debated for >60years because of technical measurement constraints...
May 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28531796/spatially-explicit-modeling-of-multi-scale-drivers-of-aboveground-forest-biomass-and-water-yield-in-watersheds-of-the-southeastern-united-states
#2
Mukhtar Ahmed Ajaz Ahmed, Amr Abd-Elrahman, Francisco J Escobedo, Wendell P Cropper, Timothy A Martin, Nilesh Timilsina
Understanding ecosystem processes and the influence of regional scale drivers can provide useful information for managing forest ecosystems. Examining more local scale drivers of forest biomass and water yield can also provide insights for identifying and better understanding the effects of climate change and management on forests. We used diverse multi-scale datasets, functional models and Geographically Weighted Regression (GWR) to model ecosystem processes at the watershed scale and to interpret the influence of ecological drivers across the Southeastern United States (SE US)...
May 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28531792/an-evaluation-of-the-sustainability-of-onsite-wastewater-treatment-systems-for-nutrient-management
#3
Nancy Diaz-Elsayed, Xiaofan Xu, Maraida Balaguer-Barbosa, Qiong Zhang
The impairment of water bodies from nutrient pollution is a challenging environmental problem that could lead to high eutrophic conditions, fish kills, and human illness, while negatively impacting industries that rely on thriving water bodies. Onsite wastewater treatment systems (OWTSs) are a major source of nutrients, however no prior studies have conducted a holistic sustainability assessment of OWTSs that considers their ability to manage nutrients at the household-level in the United States. The aim of this study is therefore to evaluate the environmental and economic impacts of conventional and advanced OWTSs with respect to their ability to remove total nitrogen (TN)...
May 5, 2017: Water Research
https://www.readbyqxmd.com/read/28531157/hybrid-aware-model-for-senior-wellness-service-in-smart-home
#4
Yuchae Jung
Smart home technology with situation-awareness is important for seniors to improve safety and security. With the development of context-aware computing, wearable sensor technology, and ubiquitous computing, it is easier for seniors to manage their health problem in smart home environment. For monitoring senior activity in smart home, wearable, and motion sensors-such as respiration rate (RR), electrocardiography (ECG), body temperature, and blood pressure (BP)-were used for monitoring movements of seniors. For context-awareness, environmental sensors-such as gas, fire, smoke, dust, temperature, and light sensors-were used for senior location data collection...
May 22, 2017: Sensors
https://www.readbyqxmd.com/read/28528391/dynamism-in-the-upstream-invasion-edge-of-a-freshwater-fish-exposes-range-boundary-constraints
#5
Erika S Rubenson, Julian D Olden
Studying the dynamics of species' borders can provide insight into the mechanisms limiting or promoting range expansion in response to environmental change. In the John Day River, Oregon (USA), rising stream temperatures are facilitating the upstream expansion of invasive smallmouth bass Micropterus dolomieu. Here, where smallmouth bass occupy the upstream limit of its thermal tolerance, we explore population structure and seasonal movement patterns to elucidate the environmental conditions and individual traits that define front edge (where individuals reside year-round) and leading edge (where individuals colonize, but may not establish) limits to its upstream distribution...
May 20, 2017: Oecologia
https://www.readbyqxmd.com/read/28528356/operating-room-fires-in-periocular-surgery
#6
Michael A Connor, Anne M Menke, Ivan Vrcek, John W Shore
AIM: A survey of ophthalmic plastic and reconstructive surgeons as well as seven-year data regarding claims made to the Ophthalmic Mutual Insurance Company (OMIC) is used to discuss operating room fires in periocular surgery. METHODS: A retrospective review of all closed claim operating room fires submitted to OMIC was performed. A survey soliciting personal experiences with operating room fires was distributed to all American Society of Oculoplastic and Reconstructive Surgeons...
May 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28528323/c-graph-a-validated-scoring-system-for-early-stratification-of-neurologic-outcome-after-out-of-hospital-cardiac-arrest-treated-with-targeted-temperature-management
#7
Erich L Kiehl, Alex M Parker, Ralph M Matar, Matthew F Gottbrecht, Michelle C Johansen, Mark P Adams, Lori A Griffiths, Steven P Dunn, Katherine L Bidwell, Venu Menon, Kyle B Enfield, Lawrence W Gimple
BACKGROUND: Out-of-hospital cardiac arrest (OHCA) results in significant morbidity and mortality, primarily from neurologic injury. Predicting neurologic outcome early post-OHCA remains difficult in patients receiving targeted temperature management. METHODS AND RESULTS: Retrospective analysis was performed on consecutive OHCA patients receiving targeted temperature management (32-34°C) for 24 hours at a tertiary-care center from 2008 to 2012 (development cohort, n=122)...
May 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28527765/lignocellulosic-sugar-management-for-xylitol-and-ethanol-fermentation-with-multiple-cell-recycling-by-kluyveromyces-marxianus-iipe453
#8
Diptarka Dasgupta, Debashish Ghosh, Sheetal Bandhu, Dilip K Adhikari
Optimum utilization of fermentable sugars from lignocellulosic biomass to deliver multiple products under biorefinery concept has been reported in this work. Alcohol fermentation has been carried out with multiple cell recycling of Kluyveromyces marxianus IIPE453. The yeast utilized xylose-rich fraction from acid and steam treated biomass for cell generation and xylitol production with an average yield of 0.315±0.01g/g while the entire glucose rich saccharified fraction had been fermented to ethanol with high productivity of 0...
July 2017: Microbiological Research
https://www.readbyqxmd.com/read/28526665/the-sensor-study-protocol-for-a-mixed-methods-study-of-self-management-checks-to-predict-exacerbations-of-pseudomonas-aeruginosa-in-patients-with-long-term-respiratory-conditions
#9
Claire Roberts, Thomas L Jones, Samal Gunatilake, Will Storrar, Scott Elliott, Sharon Glaysher, Ben Green, Steven Rule, Carole Fogg, Ann Dewey, Kevin A Auton, Anoop J Chauhan
BACKGROUND: There are an estimated three million people in the United Kingdom with chronic obstructive pulmonary disease (COPD), and the incidence of bronchiectasis is estimated at around 0.1% but is more common in COPD and severe asthma. Both COPD and bronchiectasis are characterized by exacerbations in which bacteria play a central role. Pseudomonas aeruginosa is isolated from sputum samples from 4% to 15% of adults with COPD and is more likely to be isolated from patients with severe disease...
May 19, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28526157/pharmacology-of-acetaminophen-nonsteroidal-antiinflammatory-drugs-and-steroid-medications-implications-for-anesthesia-or-unique-associated-risks
#10
REVIEW
Kenneth D Candido, Oscar J Perozo, Nebojsa Nick Knezevic
Acetaminophen, nonsteroidal antiinflammatory drugs (NSAIDs), and corticosteroids, historically used in perioperative management, are potent analgesic medications. They primarily inhibit the cyclooxygenase (COX) enzyme, decreasing the synthesis of prostaglandins, and modulating pain and temperature. Acetaminophen does not inhibit this synthesis at the inflammatory site. The primary mechanism of action of corticosteroids involves regulation of nuclear expression of genes involved in inflammatory pathways and other systemic effects...
June 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/28525966/gene-expression-of-vibrio-parahaemolyticus-growing-in-laboratory-isolation-conditions-compared-to-those-common-in-its-natural-ocean-environment
#11
Katherine García, Cristian Yáñez, Nicolás Plaza, Francisca Peña, Pedro Sepúlveda, Diliana Pérez-Reytor, Romilio T Espejo
BACKGROUND: Vibrio parahaemolyticus is an autochthonous marine bacterial species comprising strains able to grow in broth containing bile salts at 37 °C, a condition seldom found in the ocean. However, this condition is used for isolation in the laboratory because it is considered a necessary property for pathogenesis. In this context, revealing how gene expression enables V. parahaemolyticus to adapt to this particular condition -common to almost all V. parahaemolyticus isolates- will improve our understanding of the biology of this important pathogen...
May 19, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28520564/normothermic-cardiopulmonary-bypass-in-patient-with-waldenstr%C3%A3-m-s-macroglobulinemia-and-cryoglobulinemia-a-case-report
#12
Shiho Satomi, Asuka Kasai, Eisuke Hamaguchi, Yasuo M Tsutsumi, Katsuya Tanaka
Waldenström's macroglobulinemia (WM) manifests as hyperviscosity syndrome. Cryoglobulinemia, which may increase blood viscosity or induce thrombosis in association with decreased body temperature, can occur in combination with WM. We describe the management of an 82-year-old woman with WM, hyperviscosity syndrome, and cryoglobulinemia who required open aortic valve replacement. Decreased body temperature in this patient was prevented during cardiopulmonary bypass by using a forced air warming system and normothermic cardioplegia with continuous warm blood cardioplegia perfusion...
May 17, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28515824/cardiogenic-shock-acute-severe-mitral-regurgitation-and-complete-heart-block-after-cavo-tricuspid-isthmus-atrial-flutter-ablation
#13
Thein Tun Aung, Edward Samuel Roberto, Kevin D Kravitz
Radiofrequency (RF) ablation is the first-line management of cavo-tricuspid isthmus dependent atrial flutter. It has been performed with 95% success rate. Adverse events are very rare. We report the first case of acute severe mitral regurgitation (MR) and complete heart block developed after successful atrial flutter ablation. A 62-year-old female with mild MR presented with palpitations. Surface electrocardiogram was suggestive of isthmus dependent atrial flutter. A duodecapolar mapping catheter showed an atrial flutter with cycle length of 280 ms...
April 2017: Cardiology Research
https://www.readbyqxmd.com/read/28515660/environmental-factors-associated-with-the-distribution-of-visceral-leishmaniasis-in-endemic-areas-of-bangladesh-modeling-the-ecological-niche
#14
Abu Yousuf Md Abdullah, Ashraf Dewan, Md Rakibul Islam Shogib, Md Masudur Rahman, Md Faruk Hossain
BACKGROUND: Visceral leishmaniasis (VL) is a parasitic infection (also called kala-azar in South Asia) caused by Leishmania donovani that is a considerable threat to public health in the Indian subcontinent, including densely populated Bangladesh. The disease seriously affects the poorest subset of the population in the subcontinent. Despite the fact that the incidence of VL results in significant morbidity and mortality, its environmental determinants are relatively poorly understood, especially in Bangladesh...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28513777/population-dynamics-of-siderastrea-stellata-verrill-1868-from-rocas-atoll-rn-implications-for-predicted-climate-change-impacts-at-the-only-south-atlantic-atoll
#15
Barbara R Pinheiro, Natan S Pereira, Paula G F Agostinho, Manuel J F Montes
Coral reefs are one of the most vulnerable ecosystems to ocean warming and acidification, and it is important to determine the role of reef building species in this environment in order to obtain insight into their susceptibility to expected impacts of global changes. Aspects of the life history of a coral population, such as reproduction, growth and size-frequency can contribute to the production of models that are used to estimate impacts and potential recovery of the population, acting as a powerful tool for the conservation and management of those ecosystems...
May 15, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28513212/an-optical-fiber-based-smart-textile-smart-socks-to-manage-biomechanical-risk-factors-associated-with-diabetic-foot-amputation
#16
Bijan Najafi, Hooman Mohseni, Gurtej S Grewal, Talal K Talal, Robert A Menzies, David G Armstrong
OBJECTIVE: This study aimed to validate a smart-textile based on fiber-optics for simultaneous measurement of plantar temperature, pressure, and joint angles in patients with diabetic peripheral neuropathy (DPN). METHODS: After in-vitro validation in the laboratory, 33 eligible subjects with DPN were recruited (age: 58 ± 8 years, BMI: 31.5 ± 8 kg/m(2)) for assessing plantar pressure and temperature during habitual gait-speed in a clinical-setting. All participants were asked to walk at their habitual speed while wearing a pair of sensorized socks made from highly flexible fiber optics (SmartSox)...
May 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28511258/management-of-autonomic-dysfunction-in-parkinson-s-disease
#17
Ronald F Pfeiffer
Autonomic dysfunction is a frequent and important nonmotor feature of Parkinson's disease (PD). Autonomic dysfunction in PD spans a broad clinical spectrum. Cardiovascular dysfunction is characterized most prominently by orthostatic hypotension. Gastrointestinal dysfunction can involve virtually all levels of the gastrointestinal tract. Urinary dysfunction can entail either too frequent voiding or difficulty voiding. Sexual dysfunction is frequent and frustrating for both the patient and the partner. Alterations in sweating and body temperature are not widely recognized, but often are present...
April 2017: Seminars in Neurology
https://www.readbyqxmd.com/read/28509777/ultrasound-guided-percutaneous-cryoneurolysis-for-acute-pain-management-a-case-report
#18
Rodney A Gabriel, John J Finneran, Deepa Asokan, Andrea M Trescot, NavParkash S Sandhu, Brian M Ilfeld
We report 3 different cases in which ultrasound-guided percutaneous cryoneurolysis was performed to treat acute pain: 1 patient with refractory incisional pain after percutaneous nephrolithotomy; 1 patient with burns to the foot; and 1 patient with pain from iliac crest grafting. Acute pain associated with surgery or injury is a challenge to treat with local anesthetic-based regional anesthesia techniques when the anticipated pain duration exceeds a few days. Cryoneurolysis is an alternative analgesic method that utilizes extremely cold temperatures to reversibly ablate peripheral nerves and is potentially a novel method for acute pain management...
May 12, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28506940/cool-ami-eu-pilot-trial-a-multicentre-prospective-randomised-controlled-trial-to-assess-cooling-as-an-adjunctive-therapy-to-percutaneous-intervention-in-patients-with-acute-myocardial-infarction
#19
Marko Noc, David Erlinge, Aleksandar N Neskovic, Srdjan Kafedzic, Béla Merkely, Endre Zima, Misa Fister, Milovan Petrović, Milenko Čanković, Gábor Veress, Peep Laanmets, Teele Pern, Vladan Vukcevic, Vladimir Dedovic, Beata Średniawa, Andrzej Świątkowski, Thomas R Keeble, John R Davies, Alexandra-Maria Warenits, Göran Olivecrona, Jan Zbigniew Peruga, Michal Ciszewski, Ivan Horvath, Istvan Edes, Gergely Gyorgy Nagy, Daniel Aradi, Michael Holzer
AIMS: We aimed to investigate the rapid induction of therapeutic hypothermia using the ZOLL Proteus Intravascular Temperature Management System in patients with anterior ST-elevation myocardial infarction (STEMI) without cardiac arrest. METHODS AND RESULTS: A total of 50 patients were randomised; 22 patients (88%; 95% confidence interval [CI]: 69-97%) in the hypothermia group and 23 patients (92%; 95% CI: 74-99) in the control group completed cardiac magnetic resonance imaging at four to six days and 30-day follow-up...
May 17, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28506865/protocol-driven-neurological-prognostication-and-withdrawal-of-life-sustaining-therapy-after-cardiac-arrest-and-targeted-temperature-management
#20
Irina Dragancea, Matthew P Wise, Nawaf Al-Subaie, Julius Cranshaw, Hans Friberg, Guy Glover, Tommaso Pellis, Rebecca Rylance, Andrew Walden, Niklas Nielsen, Tobias Cronberg
BACKGROUND: Brain injury is reportedly the main cause of death for patients resuscitated after out-of-hospital cardiac arrest (OHCA). However, the majority may actually die following withdrawal of life-sustaining therapy (WLST) with a presumption of poor neurological recovery. We investigated how the protocol for neurological prognostication was used and how related treatment recommendations might have affected WLST decision-making and outcome after OHCA in the Targeted Temperature Management (TTM) trial...
May 12, 2017: Resuscitation
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