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https://www.readbyqxmd.com/read/28314850/temporal-trends-and-temperature-related-incidence-of-electrical-storm-the-tempest-study-temperature-related-incidence-of-electrical-storm
#1
Federico Guerra, Paolo Bonelli, Marco Flori, Laura Cipolletta, Corrado Carbucicchio, Maite Izquierdo, Edward Kozluk, Kalyanam Shivkumar, Marmar Vaseghi, Francesca Patani, Claudio Cupido, Salvatore Pala, Ricardo Ruiz-Granell, Angel Ferrero, Claudio Tondo, Alessandro Capucci
BACKGROUND: The occurrence of ventricular tachyarrhythmias seems to follow circadian, daily, and seasonal distributions. Our aim is to identify potential temporal patterns of electrical storm (ES), in which a cluster of ventricular tachycardias or ventricular fibrillation, negatively affects short- and long-term survival. METHODS AND RESULTS: The TEMPEST study (Circannual Pattern and Temperature-Related Incidence of Electrical Storm) is a patient-level, pooled analysis of previously published data sets...
March 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28275285/don-t-forget-the-porpoise-acoustic-monitoring-reveals-fine-scale-temporal-variation-between-bottlenose-dolphin-and-harbour-porpoise-in-cardigan-bay-sac
#2
Hanna K Nuuttila, Winnie Courtene-Jones, Sarah Baulch, Malene Simon, Peter G H Evans
Populations of bottlenose dolphin and harbour porpoise inhabit Cardigan Bay, which was designated a Special Area of Conservation (SAC), with bottlenose dolphin listed as a primary feature for its conservation status. Understanding the abundance, distribution and habitat use of species is fundamental for conservation and the implementation of management. Bottlenose dolphin and harbour porpoise usage of feeding sites within Cardigan Bay SAC was examined using passive acoustic monitoring. Acoustic detections recorded with calibrated T-PODs (acoustic data loggers) indicated harbour porpoise to be present year round and in greater relative abundance than bottlenose dolphin...
2017: Marine Biology
https://www.readbyqxmd.com/read/28211166/clinical-relevance-of-pre-ovulatory-follicular-temperature-in-heat-stressed-lactating-dairy-cows
#3
F López-Gatius, Rhf Hunter
Temperature gradients in female reproductive tissues seem to influence the success of key processes such as ovulation and fertilization. The objective of this study was to investigate whether pre-ovulatory follicles are cooler than neighbouring uterine tissue and deep rectal temperatures in lactating dairy cows under heat stress conditions. Temperatures within the pre-ovulatory follicle, on the uterine adjacent surface and 20 cm deep within rectum, were measured using fine thermistor probes within 45 min after sunrise (dawn)...
February 17, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28198155/sunrise-in-melanoma-management-time-to-focus-on-melanoma-burden-in-asia
#4
John Wen-Cheng Chang, Jun Guo, Chia-Yen Hung, Si Lu, Sang Joon Shin, Richard Quek, Anthony Ying, Gwo Fuang Ho, Huu Sau Nguyen, Boman Dhabhar, Virote Sriuranpong, Maria Luisa Tiambeng, Nugroho Prayogo, Naoya Yamazaki
No abstract text is available yet for this article.
February 15, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28181087/fasting-diabetes-and-optimizing-health-outcomes-for-ramadan-observers-a-literature-review
#5
REVIEW
Hadi A Almansour, Betty Chaar, Bandana Saini
INTRODUCTION: Globally, and in Australia, diabetes has become a common chronic health condition. Diabetes is also quite prevalent in culturally and linguistically diverse pockets of the Australian population, including Muslims. There are over 90 million Muslims with diabetes worldwide. Diabetes management and medication use can be affected by religious practices such as fasting during Ramadan. During Ramadan, Muslims refrain from oral or intravenous substances from sunrise to sunset...
February 8, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28162893/circadian-entrainment-to-the-natural-light-dark-cycle-across-seasons-and-the-weekend
#6
Ellen R Stothard, Andrew W McHill, Christopher M Depner, Brian R Birks, Thomas M Moehlman, Hannah K Ritchie, Jacob R Guzzetti, Evan D Chinoy, Monique K LeBourgeois, John Axelsson, Kenneth P Wright
Reduced exposure to daytime sunlight and increased exposure to electrical lighting at night leads to late circadian and sleep timing [1-3]. We have previously shown that exposure to a natural summer 14 hr 40 min:9 hr 20 min light-dark cycle entrains the human circadian clock to solar time, such that the internal biological night begins near sunset and ends near sunrise [1]. Here we show that the beginning of the biological night and sleep occur earlier after a week's exposure to a natural winter 9 hr 20 min:14 hr 40 min light-dark cycle as compared to the modern electrical lighting environment...
February 20, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28073459/vertical-migration-of-karenia-brevis-in-the-northeastern-gulf-of-mexico-observed-from-glider-measurements
#7
Chuanmin Hu, Brian B Barnes, Lin Qi, Chad Lembke, David English
The toxic marine dinoflagellate, Karenia brevis (the species responsible for most of red tides or harmful algal blooms in the Gulf of Mexico), is known to be able to swim vertically to adapt to the light and nutrient environments, nearly all such observations have been made through controlled experiments using cultures. Here, using continuous 3-dimensional measurements by an ocean glider across a K. brevis bloom in the northeastern Gulf of Mexico between 1 and 8 August 2014, we show the vertical migration behavior of K...
September 2016: Harmful Algae
https://www.readbyqxmd.com/read/28057622/seasonal-ambient-changes-influence-inpatient-falls
#8
Chie Magota, Hiroyuki Sawatari, Shin-Ichi Ando, Mari K Nishizaka, Kaoru Tanaka, Kaori Horikoshi, Izumi Hoashi, Hashiguchi Nobuko, Tomoko Ohkusa, Akiko Chishaki
BACKGROUND: falls by inpatients often result in serious injuries and deterioration in a patient's physical abilities and quality of life, especially among older individuals. Although various factors have been found to be associated with falls, the combined effects of behavioural and ambient factors are not fully evaluated. OBJECTIVE: we investigated the influence of both behavioural and ambient factors on inpatient falls, focusing on seasonal and diurnal variations...
January 4, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28045131/latitude-affects-morningness-eveningness-evidence-for-the-environment-hypothesis-based-on-a-systematic-review
#9
Christoph Randler, Arash Rahafar
Morningness-eveningness (M/E) is an individual trait related to a person's sleep-wake cycle and preference for morning or evening hours. The "environment hypothesis" suggests that M/E is dependent on environmental factors, such as latitude, mean average temperature and photoperiod. We here analyzed a large number of datasets to assess this effect based on a systematic review. Data were from a total of 87 datasets and 35,589 individuals based on 28 countries. Partial correlations correcting for age revealed significant relationships between M/E and latitude, mean yearly temperature, photoperiod and sunset...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28010148/bone-health-of-the-ovahimba-people-of-north-western-namibia-in-the-context-of-urbanization-and-a-change-of-the-sociocultural-environment
#10
Anneke Wilhelm, Peyman Hadji, Mark Münzel, Hanna Daniel, Stephan Flache, Peter Nyarango, Peter Herbert Kann
The prevalence of osteoporosis in Sub-Saharan African (SSA) countries is low, however, as urbanization takes root, it is predicted that bone health will decrease dramatically. The bone health of the semi-nomadic Ovahimba people of Namibia was investigated in the context of urbanization and changes of the sociocultural environment. Furthermore, data on bone health in SSA countries is scarce; there exists no ethnic-specific reference group for people of black origin. Included in the study were 98 urban and rural living Ovahimba people...
December 23, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28005405/patellofemoral-arthritis-after-lateral-patellar-dislocation
#11
Thomas L Sanders, Ayoosh Pareek, Nicholas R Johnson, Michael J Stuart, Diane L Dahm, Aaron J Krych
BACKGROUND: The rate of patellofemoral arthritis after lateral patellar dislocation is unknown. Purpose/Hypothesis: The purpose of this study was to compare the risk of patellofemoral arthritis and knee arthroplasty between patients who experienced a lateral patellar dislocation and matched individuals without a patellar dislocation. Additionally, factors predictive of arthritis after patellar dislocation were examined. The hypothesis was that the rate of arthritis is likely higher among patients who experience a patellar dislocation compared with those who do not...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27986317/on-the-summertime-air-quality-and-related-photochemical-processes-in-the-megacity-shanghai-china
#12
Ka Lok Chan, Shanshan Wang, Cheng Liu, Bin Zhou, Mark O Wenig, Alfonso Saiz-Lopez
Summertime surface ozone (O3) and related secondary formation of fine particles are the major air quality concerns in the megacity of Shanghai. We performed mobile Cavity Enhanced Differential Optical Absorption Spectroscopy (CE-DOAS) measurements to investigate the spatial distribution of on-road nitrogen dioxide (NO2) concentrations along the Inner Ring Elevated Road (IRER) in Shanghai. The observations show a ratio of 4 between CE-DOAS averaged on-road NO2 and the in-situ ambient measurements, illustrating the strong impact of vehicle emissions over the urban area...
February 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27925095/peritoneal-dialysis-family-care-for-chronic-kidney-disease-patients-in-home-based-treatment
#13
Joyce Martins Arimatea Branco Tavares, Marcia Tereza Luz Lisboa, Márcia de Assunção Ferreira, Glaucia Valente Valadares, Frances Valéria Costa E Silva
Objective: to propose a family care model for patients with chronic kidney disease in peritoneal dialysis based on evidence indicated by family members. Method: this was a qualitative descriptive study that used the Convergent Care Research method. It was conducted at a state hospital in Rio de Janeiro, including techniques for recording individual interviews and consisted of a group of 19 study participants. Data were analyzed according to the stages proposed by the method, generating a category that used a cultural question as the basis for patient care resulting in a proposal for home-based family care...
November 2016: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/27920193/light-intensity-of-5-or-20%C3%A2-lux-on-broiler-behavior-welfare-and-productivity
#14
Jean-Loup Rault, Katie Clark, Peter J Groves, Greg M Cronin
Light intensity can influence broiler behavior, but discrepancies in the scientific literature remain. Furthermore, few studies have investigated the welfare implications induced by varying light intensity. We investigated the effects of providing 5 or 20 lux light intensity on broiler behavior, welfare and productivity. A total of 1,872 Ross 308 broilers of mixed sex were studied across 2 replicates. Treatments began on d 8 with one of 2 light intensity levels: 5 lux or 20 lux, using LED lights on a 16L:8D photoperiod with 30 min sunrise and sunset periods...
December 5, 2016: Poultry Science
https://www.readbyqxmd.com/read/27915477/treadmill-exercise-improves-memory-function-depending-on-circadian-rhythm-changes-in-mice
#15
Dong Sup Hwang, Hyo Bum Kwak, Il Gyu Ko, Sung Eun Kim, Jun Jang Jin, Eun Sang Ji, Hyun Hee Choi, Oh Young Kwon
PURPOSE: Exercise enhances memory function by increasing neurogenesis in the hippocampus, and circadian rhythms modulate synaptic plasticity in the hippocampus. The circadian rhythm-dependent effects of treadmill exercise on memory function in relation with neurogenesis were investigated using mice. METHODS: The step-down avoidance test was used to evaluate short-term memory, the 8-arm maze test was used to test spatial learning ability, and 5-bromo-2'-deoxyuridine immunofluorescence was used to assess neurogenesis...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27905559/sailfish-migrations-connect-productive-coastal-areas-in-the-west-atlantic-ocean
#16
Chi Hin Lam, Benjamin Galuardi, Anthony Mendillo, Emily Chandler, Molly E Lutcavage
Isla Mujeres, Mexico is home to one of the most well-known aggregations of sailfish. Despite its fisheries prominence, little is known about this sailfish assemblage, or its relationship to other aggregation sites in the western Atlantic. In January 2012, April 2013 and 2014, we deployed 34 popup satellite archival tags on sailfish in order to study their behavior, population connectivity and biophysical interactions. Sailfish were monitored for up to one year, and displayed (1) predominantly shelf associated activity (2) occupancy of the Yucatán Current near Isla Mujeres for up to five months and (3) subsequent dispersals from the Yucatán to productive coastal areas in the Gulf of Mexico, the Caribbean Sea and along the South American coast...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27893649/-sunrise-in-venice
#17
(no author information available yet)
No abstract text is available yet for this article.
December 1, 2016: Spine
https://www.readbyqxmd.com/read/27803614/sunrise-in-gagliato
#18
H S Wald
No abstract text is available yet for this article.
October 2016: Current Oncology
https://www.readbyqxmd.com/read/27781473/resynchronization-of-circadian-oscillators-and-the-east-west-asymmetry-of-jet-lag
#19
Zhixin Lu, Kevin Klein-Cardeña, Steven Lee, Thomas M Antonsen, Michelle Girvan, Edward Ott
Cells in the brain's Suprachiasmatic Nucleus (SCN) are known to regulate circadian rhythms in mammals. We model synchronization of SCN cells using the forced Kuramoto model, which consists of a large population of coupled phase oscillators (modeling individual SCN cells) with heterogeneous intrinsic frequencies and external periodic forcing. Here, the periodic forcing models diurnally varying external inputs such as sunrise, sunset, and alarm clocks. We reduce the dimensionality of the system using the ansatz of Ott and Antonsen and then study the effect of a sudden change of clock phase to simulate cross-time-zone travel...
September 2016: Chaos
https://www.readbyqxmd.com/read/27770587/pollination-of-campomanesia-phaea-myrtaceae-by-night-active-bees-a-new-nocturnal-pollination-system-mediated-by-floral-scent
#20
G D Cordeiro, M Pinheiro, S Dötterl, I Alves-Dos-Santos
Bees are the most important diurnal pollinators of angiosperms. In several groups of bees a nocturnal/crepuscular habit developed, yet little is known about their role in pollination and whether some plants are adapted specifically to these bees. We used a multidisciplinary approach to investigate the reproductive biology and to understand the role of nocturnal/crepuscular bees in pollination of Campomanesia phaea (Myrtaceae), popularly named cambuci. We studied the floral biology and breeding system of C. phaea...
March 2017: Plant Biology
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