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https://www.readbyqxmd.com/read/27927197/erratum-to-feeding-preferences-of-the-asian-elephant-elephas-maximus-in-nepal
#1
Raj Kumar Koirala, David Raubenheimer, Achyut Aryal, Mitra Lal Pathak, Weihong Ji
No abstract text is available yet for this article.
December 7, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27903512/thyroid-hormone-stimulated-increases-in-pgc-1%C3%AE-and-ucp2-promote-life-history-specific-endocrine-changes-and-maintain-a-lipid-based-metabolism
#2
Bridget Martinez, José G Soñanez-Organis, Jose A Godoy-Lugo, Lillian Horin, Daniel E Crocker, Rudy M Ortiz
Thyroid hormones (TH) regulate metabolism, but are typically suppressed during times of stressful physiological conditions, including fasting. Interestingly, prolonged fasting in northern elephant seal pups is associated with reliance on a lipid-based metabolism and increased levels of circulating thyroid hormones that are partially attributed to active secretion as opposed to reduced clearance. This apparent paradox is coupled with complementary increases in cellular TH-mediated activity suggesting that in mammals naturally adapted to prolonged fasting TH are necessary to support metabolism...
November 30, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27903475/technical-aspects-of-open-repair-for-degenerative-aneurysmal-evolution-despite-early-thoracic-endovascular-repair-of-type-b-aortic-dissection
#3
Sonia Aguir, Salma El Batti, Paul Achouh, Pierre Julia, Alain Bel, Jean-Noël Fabiani, Jean-Marc Alsac
: Closure of the proximal tear by Thoracic Endovascular Aortic Repair (TEVAR) at the acute phase appears to be an safe effective treatment to prevent aneurysmal degeneration type B dissection. However, it appears to be inefficient in up to a third of the patient. We report the technical aspects of our experience with patients undergoing secondary open repair after TEVAR for dissecting thoraco-abdominal aneurysm despite early closure proximal tear by TEVAR. METHODS: During a period of 5 years, 96 patients presenting acute Type B Aortic Dissections (TBAD) were treated by TEVAR and followed-up in our institution...
November 26, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27902786/southern-elephant-seals-replenish-their-lipid-reserves-at-different-rates-according-to-foraging-habitat
#4
Gaëtan Richard, Samantha L Cox, Baptiste Picard, Jade Vacquié-Garcia, Christophe Guinet
Assessing energy gain and expenditure in free ranging marine predators is difficult. However, such measurements are critical if we are to understand how variation in foraging efficiency, and in turn individual body condition, is impacted by environmentally driven changes in prey abundance and/or accessibility. To investigate the influence of oceanographic habitat type on foraging efficiency, ten post-breeding female southern elephant seals Mirounga leonina (SES) were equipped and tracked with bio-loggers to give continuous information of prey catch attempts, body density and body activity...
2016: PloS One
https://www.readbyqxmd.com/read/27893911/retraining-the-elephants-in-the-room
#5
EDITORIAL
Patricia S Yoder-Wise
No abstract text is available yet for this article.
December 1, 2016: Journal of Continuing Education in Nursing
https://www.readbyqxmd.com/read/27885430/blood-species-discrimination-using-proton-nuclear-magnetic-resonance-spectroscopy
#6
Elina Zailer, Bernd W K Diehl, Yulia B Monakhova
Blood species identification is an important challenge in forensic science. Conventional methods used for blood species analysis are destructive and associated with time-consuming sample preparation steps. Nuclear magnetic resonance (NMR) spectroscopy is known for its nondestructive properties and fast results. This research study presents a proton ((1)H) NMR method to discriminate blood species including human, cat, dog, elephant, and bison. Characteristic signals acting as markers are observed for each species...
November 25, 2016: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27884484/ross-hybrid-arch-and-frozen-elephant-trunk-reconstruction-for-late-complications-of-bicuspid-aortic-valve-and-aortopathy
#7
Matthew Valdis, Gaetano DeRose, Linrui Guo, Michael W A Chu
Young patients with bicuspid aortic valve disease and aortopathy remain a clinical challenge, with many requiring multiple corrective operations throughout their lifetimes. Innovative surgical approaches are often required to address complex aortic pathologic conditions but leave patients at risk for reintervention, lifelong anticoagulation, and suboptimal hemodynamics. We describe an active 44-year-old female triathlete with recurrent bicuspid aortic stenosis, a small aortic root, a hypoplastic aortic arch and complex distal arch, and a descending aortic aneurysm, who underwent a single-stage reconstruction with a combined Ross procedure, hybrid arch, and frozen elephant trunk reconstruction...
December 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/27884246/anticoagulant-related-nephropathy-is-an-aki-elephant-hiding-in-plain-view
#8
EDITORIAL
Sergey V Brodsky, Lee A Hebert
No abstract text is available yet for this article.
November 29, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27874962/analysis-of-risk-factors-of-type-a-aortic-dissection-taad-operation-of-frozen-elephant-trunk-and-total-arch-replacement
#9
W Shang, M Ma, Y-P Ge, N Liu, J-M Zhu, L-Z Sun
OBJECTIVE:  To investigate the incidence and risk factors of acute renal failure (ARF) after operation of frozen elephant trunk and total arch replacement for acute thoracic aortic aneurysm and dissection (TAAD) with mild hypothermic circulatory arrest (MHCA), and to analyze the long-term survival rate of the patients with ARF. PATIENTS AND METHODS: From February 2009 to March 2015, patients with acute TAAD accepted operation of frozen elephant trunk and total arch replacement were enrolled...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27871229/-the-cango-lyec-project-healing-the-elephant-hiv-related-vulnerabilities-of-post-conflict-affected-populations-aged-13-49-years-living-in-three-mid-northern-uganda-districts
#10
Samuel S Malamba, Herbert Muyinda, Patricia M Spittal, John P Ekwaru, Noah Kiwanuka, Martin D Ogwang, Patrick Odong, Paul K Kitandwe, Achilles Katamba, Kate Jongbloed, Nelson K Sewankambo, Eugene Kinyanda, Alden Blair, Martin T Schechter
BACKGROUND: The protracted war between the Government of Uganda and the Lord's Resistance Army in Northern Uganda (1996-2006) resulted in widespread atrocities, destruction of health infrastructure and services, weakening the social and economic fabric of the affected populations, internal displacement and death. Despite grave concerns that increased spread of HIV/AIDS may be devastating to post conflict Northern Uganda, empirical epidemiological data describing the legacy of the war on HIV infection are scarce...
November 21, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27870025/elephants-in-the-understory-opposing-direct-and-indirect-effects-of-consumption-and-ecosystem-engineering-by-megaherbivores
#11
Tyler C Coverdale, Tyler R Kartzinel, Kathryn L Grabowski, Robert K Shriver, Abdikadir A Hassan, Jacob R Goheen, Todd M Palmer, Robert M Pringle
Positive indirect effects of consumers on their resources can stabilize food webs by preventing overexploitation, but the coupling of trophic and non-trophic interactions remains poorly integrated into our understanding of community dynamics. Elephants engineer African savanna ecosystems by toppling trees and breaking branches, and although their negative effects on trees are well documented, their effects on small-statured plants remain poorly understood. Using data on 117 understory plant taxa collected over 7 yr within 36 1-ha experimental plots in a semi-arid Kenyan savanna, we measured the strength and direction of elephant impacts on understory vegetation...
November 2016: Ecology
https://www.readbyqxmd.com/read/27863922/dual-energy-ct-to-reveal-pseudo-leakage-of-frozen-elephant-trunk
#12
Robbert Willem van Hamersvelt, Pim A de Jong, Thomas C Dessing, Tim Leiner, Martin J Willemink
In this case report dual energy CT information was used to reveal a pseudo leakage of a frozen elephant trunk stent. Different materials, which could not be distinguished based on attenuation number, were distinguished with the use of material decomposition algorithms using DECT acquisitions. By using material decomposition imaging, the DECT system proved that in this case the extraluminal densities were not caused by leakage but by a Teflon Felt supported suture.
November 10, 2016: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/27859273/seal-mothers-expend-more-on-offspring-under-favourable-conditions-and-less-when-resources-are-limited
#13
Clive R McMahon, Robert G Harcourt, Harry R Burton, Owen Daniel, Mark A Hindell
1.In mammals, maternal expenditure on offspring is a complex mix of several factors including the species' mating system, offspring sex and the condition and age of the mother. While theory suggests that in polygynous species mothers should wean larger male offspring than females when resources and maternal conditions allow, the evidence for this remains equivocal. 2.Southern elephant seals are highly dimorphic, polygynous capital breeders existing in an environment with highly variable resources and should therefore provide clear evidence to support the theoretical expectations of differential maternal expenditure in male and female pups...
November 18, 2016: Journal of Animal Ecology
https://www.readbyqxmd.com/read/27859102/large-herbivores-promote-habitat-specialization-and-beta-diversity-of-african-savanna-trees
#14
Robert M Pringle, Kirsten M Prior, Todd M Palmer, Truman P Young, Jacob R Goheen
Edaphic variation in plant community composition is widespread, yet its underlying mechanisms are rarely understood and often assumed to be physiological. In East African savannas, Acacia tree species segregate sharply across soils of differing parent material: the ant-defended whistling thorn, A. drepanolobium (ACDR), is monodominant on cracking clay vertisols that are nutrient rich but physically stressful, whereas poorly defended species such as A. brevispica (ACBR) dominate on nutrient-poor but otherwise less-stressful sandy loams...
October 2016: Ecology
https://www.readbyqxmd.com/read/27855704/feeding-preferences-of-the-asian-elephant-elephas-maximus-in-nepal
#15
Raj Kumar Koirala, David Raubenheimer, Achyut Aryal, Mitra Lal Pathak, Weihong Ji
BACKGROUND: Nepal provides habitat for approximately 100-125 wild Asian elephants (Elephas maximus). Although a small proportion of the world population of this species, this group is important for maintaining the genetic diversity of elephants and conservation of biodiversity in this region. Knowledge of foraging patterns of these animals, which is important for understanding their habitat requirements and for assessing their habitat condition, is lacking for the main areas populated by elephants in Nepal...
November 17, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27853539/foot-pressure-distributions-during-walking-in-african-elephants-loxodonta-africana
#16
Olga Panagiotopoulou, Todd C Pataky, Madeleine Day, Michael C Hensman, Sean Hensman, John R Hutchinson, Christofer J Clemente
Elephants, the largest living land mammals, have evolved a specialized foot morphology to help reduce locomotor pressures while supporting their large body mass. Peak pressures that could cause tissue damage are mitigated passively by the anatomy of elephants' feet, yet this mechanism does not seem to work well for some captive animals. This study tests how foot pressures vary among African and Asian elephants from habitats where natural substrates predominate but where foot care protocols differ. Variations in pressure patterns might be related to differences in husbandry, including but not limited to trimming and the substrates that elephants typically stand and move on...
October 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27852612/the-elephant-in-the-room-using-nutritional-biomarker-cutoffs-to-assess-status
#17
Amanda J MacFarlane
No abstract text is available yet for this article.
November 16, 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27849027/evolutionarily-conserved-odorant-receptor-function-questions-ecological-context-of-octenol-role-in-mosquitoes
#18
Amir Dekel, Ronald J Pitts, Esther Yakir, Jonathan D Bohbot
Olfaction is a key insect adaptation to a wide range of habitats. In the last thirty years, the detection of octenol by blood-feeding insects has been primarily understood in the context of animal host-seeking. The recent discovery of a conserved octenol receptor gene in the strictly nectar-feeding elephant mosquito Toxorhynchites amboinensis (TaOr8) suggests a different biological role. Here, we show that TaOR8 is a functional ortholog of its counterparts in blood-feeding mosquitoes displaying selectivity towards the (R)-enantiomer of octenol and susceptibility to the insect repellent DEET...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27845304/partial-aortic-root-remodeling-for-root-reconstruction-in-patients-with-acute-type-a-dissection
#19
Fuhua Huang, Liangpeng Li, Wei Qin, Cunhua Su, Liming Wang, Liqiong Xiao, Xin Chen
In the present study, we reported our experience with partial aortic root remodeling for root reconstruction in patients with acute type A dissection, which involves in non-coronary sinus and/or the right coronary sinus with just one trimmed Dacron graft. Between February 2001 and May 2010, we performed partial aortic root remodeling in 40 patients, who underwent emergency surgical intervention. The dissected sinuses were excised leaving a 3-5 mm rim of the aortic wall from the attached aortic valve cusps. A short piece (4-5 cm) of collagen coated woven polyester vascular prosthesis was trimmed with one or two "tongues" to reconstruct the non-coronary sinus and/or the right coronary sinus, but without using separated patches...
September 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/27842686/aortic-root-surgery-for-young-patients-the-elephant-in-the-room
#20
EDITORIAL
John R Doty
No abstract text is available yet for this article.
December 2016: Journal of Thoracic and Cardiovascular Surgery
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