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https://www.readbyqxmd.com/read/29338605/noteworthy-articles-in-2017-for-cardiothoracic-critical-care
#1
Natalia S Ivascu, Liang Shen, Edward Noguera, Brigid C Flynn
In 2017, many high-impact articles appeared in the literature. This is the third edition of an annual review of articles related to postoperative cardiac critical care that may affect the cardiac anesthesiologist. This year explores vasopressor and inotropic support, timing of renal replacement therapy, management of postoperative respiratory insufficiency, and targeted temperature therapy.
January 1, 2018: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29337840/targeted-temperature-management-at-33%C3%A2-c-or-36%C3%A2-c-produces-equivalent-neuroprotective-effects-in-the-middle-cerebral-artery-occlusion-rat-model-of-ischemic-stroke
#2
Jung Ho Lee, Jisoo Lim, Yong Eun Chung, Sung Phil Chung, Incheol Park, Chul Hoon Kim, Je Sung You
Targeted temperature management (TTM, 32°C to 36°C) is one of the most successful achievements in modern resuscitation medicine. It has become standard treatment for survivors of sudden cardiac arrest to minimize secondary brain damage. TTM at 36°C is just as effective as TTM at 33°C and is actually preferred because it reduces adverse TTM-associated effects. TTM also likely has direct neuroprotective effects in ischemic brains in danger of stroke. It remains unclear, however, whether higher temperature TTM is equally effective in protecting the brain from the effects of stroke...
January 15, 2018: Shock
https://www.readbyqxmd.com/read/29335393/peritoneal-metastases-of-colorectal-origin-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-hipec-the-financial-aspect
#3
Tomasz Jastrzębski, Marek Bębenek
The incidence of peritoneal carcinomatosis of colorectal cancer amounts to 5%-15% for synchronous metastases and as much as 40% in cases of local recurrence. Best results are obtained for cytoreductive surgery combined with hyperthermic intraperitoneal chemotherapy (HIPEC). This treatment offers much better outcomes, leading to 5-year survival rates of as much as 30%-50%. The procedures require significant experience in abdominal surgery, are time-consuming (mean duration of the procedure ranging from 6 to 8 hours) and are burdened by complications that are due not only to the procedure itself but also to the intraperitoneal administration of the cytostatic drug at elevated temperature (41...
December 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/29335283/confusion-around-therapeutic-temperature-management-hypothermia-after-in-hospital-cardiac-arrest
#4
Kees H Polderman, Joseph Varon
No abstract text is available yet for this article.
January 16, 2018: Circulation
https://www.readbyqxmd.com/read/29333346/boundaries-in-ground-beetle-coleoptera-carabidae-and-environmental-variables-at-the-edges-of-forest-patches-with-residential-developments
#5
Doreen E Davis, Sara A Gagné
Background: Few studies of edge effects on wildlife objectively identify habitat edges or explore non-linear responses. In this paper, we build on ground beetle (Coleoptera: Carabidae) research that has begun to address these domains by using triangulation wombling to identify boundaries in beetle community structure and composition at the edges of forest patches with residential developments. We hypothesized that edges are characterized by boundaries in environmental variables that correspond to marked discontinuities in vegetation structure between maintained yards and forest...
2018: PeerJ
https://www.readbyqxmd.com/read/29331066/strong-evidence-for-changing-fish-reproductive-phenology-under-climate-warming-on-the-tibetan-plateau
#6
Juan Tao, Dekui He, Mark J Kennard, Chengzhi Ding, Stuart E Bunn, Chunlong Liu, Yintao Jia, Rongxiao Che, Yifeng Chen
Phenological responses to climate change have been widely observed and have profound and lasting effects on ecosystems and biodiversity. However, compared to terrestrial ecosystems, the long-term effects of climate change on species' phenology are poorly understood in aquatic ecosystems. Understanding the long-term changes in fish reproductive phenology is essential for predicting population dynamics and for informing management strategies, but is currently hampered by the requirement for intensive field observations and larval identification...
January 13, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29330886/surgery-and-magnetic-resonance-imaging-increase-the-risk-of-hypothermia-in-infants
#7
Joel M Don Paul, Elizabeth J Perkins, Prue M Pereira-Fantini, Asha Suka, Olivia Farrell, Julia K Gunn, Anushi E Rajapaksa, David G Tingay
AIM: Maintaining normothermia is a tenet of neonatal care. However, neonatal thermal care guidelines applicable to intra-hospital transport beyond the neonatal intensive care unit (NICU) and during surgery or magnetic resonance imaging (MRI) are lacking. The aim of this study is to determine the proportion of infants normothermic (36.5-37.5°C) on return to NICU after management during surgery and MRI, and during standard clinical care in both environments. METHODS: Sixty-two newborns requiring either surgery in the operating theatre (OT) (n = 41) or an MRI scan (n = 21) at the Royal Children's Hospital (Melbourne) NICU were prospectively studied...
January 13, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29329571/environmental-exposures-and-fetal-growth-the-haifa-pregnancy-cohort-study
#8
Rachel Golan, Itai Kloog, Ronit Almog, Anat Gesser-Edelsburg, Maya Negev, Maya Jolles, Varda Shalev, Vered H Eisenberg, Gideon Koren, Wiessam Abu Ahmad, Hagai Levine
BACKGROUND: The developing fetus is susceptible to environmental insults. Studying the effects of environmental exposures on fetal growth is essential for understanding the causal pathway between prenatal exposures and pregnancy outcomes. Here we describe the Haifa Pregnancy Cohort Study (HPCS) and discuss challenges and opportunities in applying "big data" paradigm. METHODS: Maccabi Healthcare Services (MHS), is the second largest Israeli health maintenance organization (HMO) providing care services to two million beneficiaries...
January 12, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29328646/vibrational-properties-of-bulk-boric-acid-2a-and-3t-polymorphs-and-their-two-dimensional-layers-measurements-and-density-functional-theory-calculations
#9
Mauricelio Bezerra da Silva, Regina C R Santos, Paulo T C Freire, Ewerton W S Caetano, Valder N Freire
Boric acid (H3BO3) is being used effectively nowadays in traps/baits for the management of Aedes aegypti L. and Aedes albopictus Skuse species of mosquitoes, which are the main spreading vectors worldwide for diseases like malaria, dengue and zika. Previously, we have published results on the structural, electronic and optical properties of its molecular triclinic H3BO3-2A and trigonal H3BO3-3T polymorphs within the framework of density functional theory (DFT). Due to the renewed importance of these materials, the focus of this work is on the vibrational properties of the bulk boric acid 2A and 3T polymorphs...
January 12, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29328632/probing-growth-induced-anisotropic-thermal-transport-in-high-quality-cvd-diamond-membranes-by-multi-frequency-and-multi-spot-size-time-domain-thermoreflectance
#10
Zhe Cheng, Thomas Bougher, Tingyu Bai, Steven Y Wang, Chao Li, Luke Yates, Brian Foley, Mark S Goorsky, Baratunde A Cola, Firooz Faili, Samuel Graham
The maximum output power of GaN-based high-electron mobility transistors is limited by high channel temperature induced by localized self-heating which degrades device performance and reliability. Chemical vapor deposition (CVD) diamond is an attractive candidate to aid in the extraction of this heat and in minimizing the peak operating temperatures of high power electronics. Due to its inhomogeneous structure, the thermal conductivity of CVD diamond varies along the growth direction and can differ between the in-plane and out-of-plane directions resulting in a complex three-dimensional distribution...
January 12, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29328488/synthesis-and-application-of-131i-fulvestrant-as-a-targeted-radiation-drug-for-endocrine-therapy-in-human-breast-cancer
#11
Guobing Yin, Bin Zeng, Zhiping Peng, Ying Liu, Lu Sun, Changan Liu
The aim of this study was to label fulvestrant (an endocrine therapy drug for breast cancer) with radioiodine and to evaluate the effect of 131I-fulvestrant on inhibiting the growth of human breast cancer and its influence on major organs in nude mice. Fulvestrant was labeled with radioiodine using a modified chloramine T method, and its chemical properties were assessed using traditional methods. The binding affinity of 131I-fulvestrant was measured by radioligand binding assays, and its antiproliferative activity was determined by MTT assays...
January 11, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29326145/return-to-work-and-participation-in-society-after-out-of-hospital-cardiac-arrest
#12
Gisela Lilja, Niklas Nielsen, John Bro-Jeppesen, Hannah Dunford, Hans Friberg, Caisa Hofgren, Janneke Horn, Angelo Insorsi, Jesper Kjaergaard, Fredrik Nilsson, Paolo Pelosi, Tineke Winters, Matt P Wise, Tobias Cronberg
BACKGROUND: The aim of this study was to describe out-of-hospital cardiac arrest (OHCA) survivors' ability to participate in activities of everyday life and society, including return to work. The specific aim was to evaluate potential effects of cognitive impairment. METHODS AND RESULTS: Two hundred eighty-seven OHCA survivors included in the TTM trial (Target Temperature Management) and 119 matched control patients with ST-segment-elevation myocardial infarction participated in a follow-up 180 days post-event that included assessments of participation, return to work, emotional problems, and cognitive impairment...
January 2018: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29325753/induced-hypothermia-in-patients-with-septic-shock-and-respiratory-failure-cass-a-randomised-controlled-open-label-trial
#13
Theis Skovsgaard Itenov, Maria Egede Johansen, Morten Bestle, Katrin Thormar, Lars Hein, Louise Gyldensted, Anne Lindhardt, Henrik Christensen, Stine Estrup, Henrik Planck Pedersen, Matthew Harmon, Uday Kant Soni, Silvia Perez-Protto, Nicolai Wesche, Ulrik Skram, John Asger Petersen, Thomas Mohr, Tina Waldau, Lone Musaeus Poulsen, Ditte Strange, Nicole P Juffermans, Daniel I Sessler, Else Tønnesen, Kirsten Møller, Dennis Karsten Kristensen, Alessandro Cozzi-Lepri, Jens D Lundgren, Jens-Ulrik Jensen
BACKGROUND: Animal models of serious infection suggest that 24 h of induced hypothermia improves circulatory and respiratory function and reduces mortality. We tested the hypothesis that a reduction of core temperature to 32-34°C attenuates organ dysfunction and reduces mortality in ventilator-dependent patients with septic shock. METHODS: In this randomised, controlled, open-label trial, we recruited patients from ten intensive care units (ICUs) in three countries in Europe and North America...
January 8, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29323209/hydrological-simulation-and-uncertainty-analysis-using-the-improved-topmodel-in-the-arid-manas-river-basin-china
#14
Lianqing Xue, Fan Yang, Changbing Yang, Guanghui Wei, Wenqian Li, Xinlin He
Understanding the mechanism of complicated hydrological processes is important for sustainable management of water resources in an arid area. This paper carried out the simulations of water movement for the Manas River Basin (MRB) using the improved semi-distributed Topographic hydrologic model (TOPMODEL) with a snowmelt model and topographic index algorithm. A new algorithm is proposed to calculate the curve of topographic index using internal tangent circle on a conical surface. Based on the traditional model, the improved indicator of temperature considered solar radiation is used to calculate the amount of snowmelt...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321882/timescale-effects-on-the-environmental-control-of-carbon-and-water-fluxes-of-an-apple-orchard
#15
Leonardo Montagnani, Damiano Zanotelli, Massimo Tagliavini, Enrico Tomelleri
Model parameterization and validation of earth-atmosphere interactions are generally performed using a single timescale (e.g., nearly instantaneous, daily, and annual), although both delayed responses and hysteretic effects have been widely recognized. The lack of consideration of these effects hampers our capability to represent them in empirical- or process-based models. Here we explore, using an apple orchard ecosystem in the North of Italy as a simplified case study, how the considered timescale impacts the relative importance of the single environmental variables in explaining observed net ecosystem exchange (NEE) and evapotranspiration (ET)...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29321865/responses-of-soil-respiration-to-soil-management-changes-in-an-agropastoral-ecotone-in-inner-mongolia-china
#16
Haili Xue, Haiping Tang
Studying the responses of soil respiration (Rs) to soil management changes is critical for enhancing our understanding of the global carbon cycle and has practical implications for grassland management. Therefore, the objectives of this study were (1) quantify daily and seasonal patterns of Rs, (2) evaluate the influence of abiotic factors on Rs, and (3) detect the effects of soil management changes on Rs. We hypothesized that (1) most of daily and seasonal variation in Rs could be explained by soil temperature (Ts) and soil water content (Sw), (2) soil management changes could significantly affect Rs, and (3) soil management changes affected Rs via the significant change in abiotic and biotic factors...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29321493/noncontact-and-instant-detection-of-phosphor-temperature-in-phosphor-converted-white-leds
#17
Tsung-Hsun Yang, Hsu-Yi Huang, Ching-Cherng Sun, Benoît Glorieux, Xuan-Hao Lee, Yeh-Wei Yu, Te-Yuan Chung
Phosphor-converted white light-emitting diodes (pc-WLEDs) have become a major light source in general lighting. To stabilize the photometric characteristics of pc-WLEDs, much effort has been made to manage the heat dissipation of the LED dies. The thermal problems of the phosphor parts, a critical reliability concern for pc-WLEDs, have recently attracted academic interest. This study proposed a practical approach for measuring phosphor temperature in an operating pc-WLED using a noncontact, instant detection method to remotely monitor the emission spectrum...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29320155/transparent-and-waterproof-ionic-liquids-based-fibers-for-highly-durable-multifunctional-sensors-and-strain-insensitive-stretchable-conductors
#18
Song Chen, Haizhou Liu, Shuqi Liu, Pingping Wang, Songshan Zeng, Luyi Sun, Lan Liu
Ionic liquids (ILs) are regarded as ideal components in the next generation of strain sensors because their ultralow modulus can commendably circumvent or manage the mechanical mismatch in traditional strain sensors. In addition to strain sensors, stretchable conductors with strain-insensitive conductance are also indispensable in artificial systems for connecting and transporting electrons, similar to the function of blood vessels in the human body. In this work, two types of ILs-based conductive fibers were fabricated by developing hollow fibers with specific micro-scale channels which were then filled with ILs...
January 10, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29319644/improving-thermoregulation-for-trauma-patients-in-the-emergency-department-an-evidence-based-practice-project
#19
Ada Saqe-Rockoff, Finn D Schubert, Amanda Ciardiello, Elizabeth Douglas
Extensive evidence exists on the association between hypothermia and increased morbidity and mortality in trauma patients. Gaps in practice related to temperature assessment have been identified in literature, along with limited personnel knowledge regarding management of patients with accidental hypothermia. An interdisciplinary team identified gaps in practice in our institution regarding temperature assessment and documentation of rewarming and initiated an evidence-based practice project to change practice at our institution...
January 2018: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/29318413/evaluation-of-postoperative-fever-after-surgical-correction-of-neuromuscular-scoliosis-implication-on-management
#20
Mohamed Abdelhamid Ali Yousef, Scott Rosenfeld
BACKGROUND: Scoliosis is a common deformity in patients with neuromuscular disorders which usually necessitates surgical correction. Patients with neuromuscular scoliosis are characterized by increased incidence of associated medical co-morbidities and higher postoperative complication rate; therefore, these patients are often managed with a wide multidisciplinary care team. Postoperative fever is a frequent complication after surgery which is often routinely investigated using different workup tests to rule out infection...
January 9, 2018: European Spine Journal
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