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temperature mortality

Rocío Carmona, Cristina Linares, Cristina Ortiz, Blanca Vázquez, Julio Díaz
BACKGROUND: Although the effects of noise on population morbidity and mortality have been observed both in the short and long term, the morbidity and mortality indicators used to date have not enabled information on such health effects to be accessed in real time. At an international level, there are relatively few studies, mostly recent, which have considered an alternative indicator, such as the demand for medical attention provided by emergency services, taking into account environmental factors other than noise...
October 19, 2016: Environmental Research
L Chasmer, C Hopkinson
This study demonstrates linkages between the 1997/98 El Niño/Southern Oscillation index and a threshold shift to increased permafrost loss within a southern Taiga Plains watershed, Northwest Territories, Canada. Three-dimensional contraction of permafrost plateaus and changes in vegetation structural characteristics are determined from multi-temporal airborne Light Detection And Ranging (LiDAR) surveys in 2008, 2011 and 2015. Morphological changes in permafrost cover are compared with optical image analogues from 1970, 1977, 2000, and 2008 and time-series hydro-climate data...
October 22, 2016: Global Change Biology
Roy M John, Sunil Kapur, Kenneth A Ellenbogen, Jayanthi N Koneru
BACKGROUND: Collateral damage has been reported with the use of the cryoballon for pulmonary vein isolation. OBJECTIVES: To determine the incidence and characteristics associated with atrioesophageal fistula (AEF) following the use of cryoballoon. METHODS: Cases of AEF reported with the cryoballoon since 2011 were collected from the MAUDE database, publications and the manufacturer's database. Lowest balloon temperatures were compared with matched control patients undergoing cryoballoon ablation without AEF formation...
October 18, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Carolina Rodriguez-Tirado, Takanori Kitamura, Yu Kato, Jeffery W Pollard, John S Condeelis, David Entenberg
Metastasis to secondary sites such as the lung, liver and bone is a traumatic event with a mortality rate of approximately 90% (1). Of these sites, the lung is the most difficult to assess using intravital optical imaging due to its enclosed position within the body, delicate nature and vital role in sustaining proper physiology. While clinical modalities (positron emission tomography (PET), magnetic resonance imaging (MRI) and computed tomography (CT)) are capable of providing noninvasive images of this tissue, they lack the resolution necessary to visualize the earliest seeding events, with a single pixel consisting of nearly a thousand cells...
October 6, 2016: Journal of Visualized Experiments: JoVE
Montana F McLean, Kyle C Hanson, Steven J Cooke, Scott G Hinch, David A Patterson, Taylor L Nettles, Matt K Litvak, Glenn T Crossin
White sturgeon (Acipenser transmontanus) are the largest freshwater fish in North America and a species exposed to widespread fishing pressure. Despite the growing interest in recreational fishing for white sturgeon, little is known about the sublethal and lethal impacts of angling on released sturgeon. In summer (July 2014, mean water temperature 15.3°C) and winter (February 2015, mean water temperature 6.6°C), captive white sturgeon (n = 48) were exposed to a combination of exercise and air exposure as a method of simulating an angling event...
2016: Conservation Physiology
Makoto Miura, Akiko Kuwahara, Akinori Tomozawa, Naoki Omae, Motohiro Yamamori, Kaori Kadoyama, Toshiyuki Sakaeda
Objectives: A retrospective examination was conducted to identify risk factors for in-hospital mortality of elderly patients (65 years or older) treated with the beta-lactam/beta-lactamase inhibitor combination antibiotic, ampicillin/sulbactam (ABPC/SBT). Methods: Clinical data from 96 patients who were hospitalized with infectious diseases and treated with ABPC/SBT (9 g/day or 12 g/day) were analyzed. Risk factors examined included demographic and clinical laboratory parameters. Parameter values prior to treatment and changes after treatment were compared between survivors and non-survivors...
2016: International Journal of Medical Sciences
Markus Hoffmann, Asita Fazel, Kai-Gerrit Mews, Petra Ambrosch
OBJECTIVES: To underline the value of the microendoscopic CO2 -Laser assisted treatment (MEDCO2 ) of Zenker's diverticulum by investigating a large patient cohort treated in a single medical center. DESIGN: Retrospective Cohort Study of consecutive patients. SETTING: Dept. of Otorhinolaryngology, Head & Neck Surgery, Christian-Albrechts-University Kiel, Germany. PARTICIPANTS: 227 patients with Zenkers' diverticulum were treated by MEDCO2 and the results were compared with those reported in the literature for the open transcervical approach (OTA) and the endoscopic staple-assisted esophagodiverticulostomy (ESED)...
October 19, 2016: Clinical Otolaryngology
Rebecca DeVries, David Kriebel, Susan Sama
BACKGROUND: Exacerbations of chronic obstructive pulmonary disease (COPD) contribute greatly to increased morbidity, mortality and diminished quality of life. Recent studies report moderately strong positive associations between exposures to several air pollutants and COPD-related emergency department (ED) visits and hospital admissions (HA). Studies that use clinically defined exacerbations rather than counting ED visits and HA may be more sensitive to environmental triggers like air pollution, but very few such studies exist...
October 18, 2016: Environmental Health: a Global Access Science Source
Tiengkham Pongvongsa, Daisuke Nonaka, Moritoshi Iwagami, Masami Nakatsu, Panom Phongmany, Futoshi Nishimoto, Jun Kobayashi, Bouasy Hongvanthon, Paul T Brey, Kazuhiko Moji, Toshihiro Mita, Shigeyuki Kano
BACKGROUND: In the Lao PDR, malaria morbidity and mortality have remarkably decreased over the past decade. However, asymptomatic infections in rural villages contribute to the on-going local transmission. The primary objective of this study was to explore the characteristics of infections in a malaria-endemic district of the Lao PDR. The specific objectives were to investigate the prevalence and species of malaria parasites using molecular methods and to assess individual and household parasite levels and the characteristics associated with malaria infection...
October 18, 2016: Malaria Journal
Adam Z Csank, Amy E Miller, Rosemary L Sherriff, Edward E Berg, Jeffrey M Welker
Increasing temperatures have resulted in reduced growth and increased tree mortality across large areas of western North American forests. We use tree-ring isotope chronologies (δ(13) C and δ(18) O) from live and dead trees from four locations in south-central Alaska, USA, to test whether white spruce trees killed by recent spruce beetle (Dendroctonus rufipennis Kirby) outbreaks showed evidence of drought stress prior to death. Trees that were killed were more sensitive to spring/summer temperature and/or precipitation than trees that survived...
October 2016: Ecological Applications: a Publication of the Ecological Society of America
Simone Vincenzi, Marc Mangel, Dusˇan Jesensˇek, John C Garza, Alain J Crivelli
Understanding the causes of within- and among-population differences in vital rates, life histories, and population dynamics is a central topic in ecology. To understand how within- and among-population variation emerges, we need long-term studies that include episodic events and contrasting environmental conditions, data to characterize individual and shared variation, and statistical models that can tease apart shared and individual contribution to the observed variation. We used long-term tag-recapture data to investigate and estimate within- and among-population differences in vital rates, life histories, and population dynamics of marble trout Salmo marmoratus, an endemic freshwater salmonid with a narrow range...
October 2016: Ecological Applications: a Publication of the Ecological Society of America
Angel Paternina-Caicedo, Jezid Miranda, Ghada Bourjeily, Andrew Levinson, Carmelo Dueñas, Camilo Bello Muñoz, José A Rojas-Suarez
BACKGROUND: Every day, about 830 women die worldwide from preventable causes related to pregnancy and childbirth. Obstetric early-warning scores have been proposed as a potential tool to reduce maternal morbidity and mortality, based upon the identification of predetermined abnormal values in the vital signs or laboratory parameters, to generate a rapid and effective medical response. Several early-warning scores have been developed for obstetrical patients, but the majority are the result of a clinical consensus rather than statistical analyses of clinical outcome measures (i...
October 14, 2016: American Journal of Obstetrics and Gynecology
Aurelio Tobías, Ben Armstrong, Antonio Gasparrini
BACKGROUND: The minimum mortality temperature from J- or U- shaped curves varies across cities with different climates. This variation conveys information on adaptation, but ability to characterize it is limited by the absence of a method to describe uncertainty in estimated minimum mortality temperatures. METHODS: We propose an approximate parametric bootstrap estimator of confidence interval (CI) and standard error (SE) for the minimum mortality temperature from a temperature-mortality shape estimated by splines...
September 28, 2016: Epidemiology
Alexandra Staikou, Evagelia Kesidou, Marina-Elena Garefalaki, Basile Michaelidis
Land snails species occur in a range of habitats from humid to semi-arid and arid ones and seasonal variations in their physiology and biochemical composition have been linked to annual cycles of photoperiod, temperature, humidity and water availability. In an effort to understand the thermal tolerance and the impact of temperature elevation on tissue metabolism of land snails we determined the mortality, heamolymph PO2 and the activities of enzymes of intermediary metabolism in three land snail species (Helix lucorum, Helix pomatia and Cornu aspersum) differing in their geographical distribution and inhabiting areas with different climatic characteristics...
October 14, 2016: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Jian Huang
Helicoverpa armigera causes serious damage to most crops around the world. However, the impacts of snow thickness on the H. armigera overwintering pupae are little known. A field experiment was employed in 2012-2015 at Urumqi, China. At soil depths of 5, 10, and 15 cm, overwintering pupae were embedded with four treatments: no snow cover (NSC), snow cover (SC), increasing snow thickness to 1.5 times the thickness of SC (ISSC-1), and to two times the thickness of SC (ISSC-2). Results suggested that snow cover and increasing snow thickness both significantly increased soil temperatures, which helped to decrease the mortality of overwintering pupae (MOP) of H...
October 15, 2016: International Journal of Biometeorology
Dung V Le, Andrea C Alfaro, Norman L C Ragg, Zoë Hilton, Nick King
Geoduck clams (Panopea spp.) are the longest-lived and largest deep burrowing bivalve. Their unique morphology allows them to live buried in the sediment at depths of up to 1 m. The endemic New Zealand geoduck (Panopea zelandica Quoy and Gaimard, 1835) has recently been identified as a potential species for aquaculture. However, very little is known about the biology and physiology of this entirely subtidal geoduck species. Currently, the New Zealand geoduck fishery relies entirely upon wild harvests, but farms are expected to emerge as cultivation protocols are established...
October 15, 2016: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
Shakoor Hajat, Ceri Whitmore, Christophe Sarran, Andy Haines, Brian Golding, Harriet Gordon-Brown, Anthony Kessel, Lora E Fleming
BACKGROUND: Improved data linkages between diverse environment and health datasets have the potential to provide new insights into the health impacts of environmental exposures, including complex climate change processes. Initiatives that link and explore big data in the environment and health arenas are now being established. OBJECTIVES: To encourage advances in this nascent field, this article documents the development of a web browser application to facilitate such future research, the challenges encountered to date, and how they were addressed...
October 11, 2016: Science of the Total Environment
Kathleen Meert, Russell Telford, Richard Holubkov, Beth S Slomine, James R Christensen, J Michael Dean, Frank W Moler
OBJECTIVE: To explore the safety and efficacy of targeted temperature management amongst infants with out-of-hospital cardiac arrest due to an apparent life threatening event (ALTE) recruited to the Therapeutic Hypothermia after Paediatric Cardiac Arrest Out-of-Hospital trial. METHODS: Fifty-four infants (48h to <1year of age) with ALTE who received chest compressions for ≥2min, were comatose, and required mechanical ventilation after return of circulation were included...
October 11, 2016: Resuscitation
Maryse A Wiewel, Matthew B Harmon, Lonneke A van Vught, Brendon P Scicluna, Arie J Hoogendijk, Janneke Horn, Aeilko H Zwinderman, Olaf L Cremer, Marc J Bonten, Marcus J Schultz, Tom van der Poll, Nicole P Juffermans, W Joost Wiersinga
BACKGROUND: Hypothermia is associated with adverse outcome in patients with sepsis. The objective of this study was to characterize the host immune response in patients with hypothermic sepsis in order to determine if an excessive anti-inflammatory response could explain immunosuppression and adverse outcome. Markers of endothelial activation and integrity were also measured to explore potential alternative mechanisms of hypothermia. Finally we studied risk factors for hypothermia in an attempt to find new clues to the etiology of hypothermia in sepsis...
October 14, 2016: Critical Care: the Official Journal of the Critical Care Forum
Rapeephan R Maude, Aniruddha Ghose, Rasheda Samad, Hanna K de Jong, Masako Fukushima, Lalith Wijedoru, Mahtab Uddin Hassan, Md Amir Hossain, Md Rezaul Karim, Abdullah Abu Sayeed, Stannie van den Ende, Sujat Pal, A S M Zahed, Wahid Rahman, Rifat Karnain, Rezina Islam, Dung Thi Ngoc Tran, Tuyen Thanh Ha, Anh Hong Pham, James I Campbell, H Rogier van Doorn, Richard J Maude, Tom van der Poll, W Joost Wiersinga, Nicholas P J Day, Stephen Baker, Arjen M Dondorp, Christopher M Parry, Md Abul Faiz
BACKGROUND: Fever is a common cause of hospital admission in Bangladesh but causative agents, other than malaria, are not routinely investigated. Enteric fever is thought to be common. METHODS: Adults and children admitted to Chittagong Medical College Hospital with a temperature of ≥38.0 °C were investigated using a blood smear for malaria, a blood culture, real-time PCR to detect Salmonella Typhi, S. Paratyphi A and other pathogens in blood and CSF and an NS1 antigen dengue ELISA...
October 13, 2016: BMC Infectious Diseases
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