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Fluid Warming

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https://www.readbyqxmd.com/read/28317153/pharmacokinetics-and-pulmonary-distribution-of-gamithromycin-after-intravenous-administration-in-foals
#1
S Berlin, T Randow, E Scheuch, M Grube, M Venner, W Siegmund
The long-acting azalide antibiotic gamithromycin is marketed for intramuscular treatment of bovine and swine infections. Off-label use in foals leads to severe local lesions likely caused by hyperosmolality of the injected solution. We provide evidence from a pharmacokinetic study in 10 warm-blooded healthy foals for intravenous bolus injection of gamithromycin diluted in distilled water to be a safe and well tolerated alternative. By intravenous dosing, markedly higher plasma exposure and better penetration into bronchoalveolar lavage cells but lower distribution into epithelial lining fluid are achieved as after intramuscular or subcutaneous administration...
March 19, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28300232/the-phase-and-interfacial-properties-of-azeotropic-refrigerants-the-prediction-of-aneotropes-from-molecular-theory
#2
Wael A Fouad, Lourdes F Vega
The use of hydrofluorocarbons (HFCs) as alternative non-ozone depleting refrigerants for chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) has grown during the last couple of decades. Owing to their considerable global warming potential, a global deal has been reached recently to limit the production and consumption of HFCs. For rational design of new refrigerants that are environmentally friendlier, the thermodynamics of current ones need to be well understood first. In this work, we examine the phase behavior of azeotropic refrigerants obtained by mixing HFCs with normal alkanes...
March 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28287560/modified-microsecure-vitrification-a-safe-simple-and-highly-effective-cryopreservation-procedure-for-human-blastocysts
#3
Mitchel C Schiewe, Shane Zozula, Nancy Nugent, Kelley Waggoner, Jessica Borba, Lisa Gamboa, John B Whitney
Clinical embryo vitrification evolved with the development of unique vitrification devices in the 21(st) century and with the misconception that ultra-rapid cooling in an "open" system (i.e., direct LN2 contact) was a necessity to optimize vitrification success. The dogma surrounding the importance of cooling rates led to unsafe practices subject to technical variation and to the creation of vitrification devices that disregarded important quality-control factors (e.g., ease of use, repeatability, reliability, labeling security, and storage safety)...
March 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28283668/effect-of-peritoneal-lavage-solution-temperature-on-body-temperature-in-anaesthetised-cats-and-small-dogs
#4
D C Barnes, E A Leece, T A Trimble, J L Demetriou
A prospective, randomised, non-blinded, clinical study to assess the effect of peritoneal lavage using warmed fluid on body temperature in anesthetised cats and dogs of less than 10 kg body mass undergoing coeliotomy. A standardised anaesthetic protocol was used. Oesophageal and rectal temperatures were measured at various time points. At the end of surgery, group 1 patients (n=10) were lavaged with 200 ml/kg sterile isotonic saline at 34±1°C and group 2 (n=10) at 40±1°C. Groups were similar with respect to age, mass, body condition and surgical incision length...
March 10, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28278064/fluid-replacement-advice-during-work-in-fully-encapsulated-impermeable-chemical-protective-suits
#5
Candace D Rubenstein, Emiel A DenHartog, A Shawn Deaton, Niels Bogerd, Saskia DeKant
A major concern for responders to hazardous materials (HazMat) incidents is the heat strain that is caused by fully encapsulated impermeable chemical protective suits. In a research project, funded by the US Department of Defense, the thermal strain experienced when wearing these suits was studied. One particular area of interest was the fluid loss of responders during work in these suits as dehydration may be an additional health concern to the heat strain. 17 City of Raleigh firemen and 24 students were tested at two different labs...
February 28, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28270584/viruses-in-the-oceanic-basement
#6
Olivia D Nigro, Sean P Jungbluth, Huei-Ting Lin, Chih-Chiang Hsieh, Jaclyn A Miranda, Christopher R Schvarcz, Michael S Rappé, Grieg F Steward
Microbial life has been detected well into the igneous crust of the seafloor (i.e., the oceanic basement), but there have been no reports confirming the presence of viruses in this habitat. To detect and characterize an ocean basement virome, geothermally heated fluid samples (ca. 60 to 65°C) were collected from 117 to 292 m deep into the ocean basement using seafloor observatories installed in two boreholes (Integrated Ocean Drilling Program [IODP] U1362A and U1362B) drilled in the eastern sediment-covered flank of the Juan de Fuca Ridge...
March 7, 2017: MBio
https://www.readbyqxmd.com/read/28264194/rheological-separation-of-the-megathrust-seismogenic-zone-and-episodic-tremor-and-slip
#7
Xiang Gao, Kelin Wang
Episodic tremor and accompanying slow slip, together called ETS, is most often observed in subduction zones of young and warm subducting slabs. ETS should help us to understand the mechanics of subduction megathrusts, but its mechanism is still unclear. It is commonly assumed that ETS represents a transition from seismic to aseismic behaviour of the megathrust with increasing depth, but this assumption is in contradiction with an observed spatial separation between the seismogenic zone and the ETS zone. Here we propose a unifying model for the necessary geological condition of ETS that explains the relationship between the two zones...
March 6, 2017: Nature
https://www.readbyqxmd.com/read/28258472/prevalence-of-renal-uric-acid-stones-in-the-adult
#8
Alberto Trinchieri, Emanuele Montanari
The aim of this study was to estimate uric acid renal stone prevalence rates of adults in different countries of the world. PubMed was searched for papers dealing with "urinary calculi and prevalence or composition" for the period from January 1996 to June 2016. Alternative searches were made to collect further information on specific topics. The prevalence rate of uric acid stones was computed by the general renal stone prevalence rate and the frequency of uric acid stones in each country. After the initial search, 2180 papers were extracted...
March 3, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28254097/a-trial-study-of-moxibustion-with-a-warming-needle-on-edema
#9
RANDOMIZED CONTROLLED TRIAL
Wen-Ping Zhang, Yuki Onose, Takahiko Fujikawa
Edema is an accumulation of an excessive amount of watery fluid in cells or intercellular tissues. In order to examine the effects of acupuncture and moxibustion on edema, seven subjects were randomly divided into three groups, that was a Control group, an Acupuncture group (Acp), and an acupuncture and moxibustion group (Acp-Mox). After sitting for 60 minutes keeping their bodies still, the Acp and Acp-Mox subjects were administered acupuncture or acupuncture/moxibustion on the points of Zusanli (ST-36) and Sanyinjiao (SP-6), separately as against the Control group who only lied on the bed after modelization...
January 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/28241234/laparoscopic-total-pancreatectomy-with-islet-autotransplantation-and-intraoperative-islet-separation-as-a-treatment-for-patients-with-chronic-pancreatitis
#10
Caleb J Fan, Kenzo Hirose, Christi M Walsh, Michael Quartuccio, Niraj M Desai, Vikesh K Singh, Rita R Kalyani, Daniel S Warren, Zhaoli Sun, Marie N Hanna, Martin A Makary
Importance: Pain management of patients with chronic pancreatitis (CP) can be challenging. Laparoscopy has been associated with markedly reduced postoperative pain but has not been widely applied to total pancreatectomy with islet autotransplantation (TPIAT). Objective: To examine the feasibility of using laparoscopic TPIAT (L-TPIAT) in the treatment of CP. Design, Setting, and Participants: Thirty-two patients with CP presented for TPIAT at a tertiary hospital from January 1, 2013, through December 31, 2015...
February 22, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28211518/limited-options-for-low-global-warming-potential-refrigerants
#11
Mark O McLinden, J Steven Brown, Riccardo Brignoli, Andrei F Kazakov, Piotr A Domanski
Hydrofluorocarbons, currently used as refrigerants in air-conditioning systems, are potent greenhouse gases, and their contribution to climate change is projected to increase. Future use of the hydrofluorocarbons will be phased down and, thus replacement fluids must be found. Here we show that only a few pure fluids possess the combination of chemical, environmental, thermodynamic, and safety properties necessary for a refrigerant and that these fluids are at least slightly flammable. We search for replacements by applying screening criteria to a comprehensive chemical database...
February 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28209144/modified-enhanced-recovery-after-surgery-eras-protocols-for-patients-with-obstructive-colorectal-cancer
#12
Dai Shida, Kyoko Tagawa, Kentaro Inada, Keiichi Nasu, Yasuji Seyama, Tsuyoshi Maeshiro, Sachio Miyamoto, Satoru Inoue, Nobutaka Umekita
BACKGROUND: Enhanced recovery after surgery (ERAS) protocols are now well-known to be useful for elective colorectal surgery, as they result in shorter hospital stays without adversely affecting morbidity. However, the efficacy and safety of ERAS protocols for patients with obstructive colorectal cancer have yet to be clarified. METHODS: We evaluated 122 consecutive resections for obstructive colorectal cancer performed between July 2008 and November 2012 at Tokyo Metropolitan Bokutoh Hospital...
February 16, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28208312/dense-plasma-heating-by-crossing-relativistic-electron-beams
#13
N Ratan, N J Sircombe, L Ceurvorst, J Sadler, M F Kasim, J Holloway, M C Levy, R Trines, R Bingham, P A Norreys
Here we investigate, using relativistic fluid theory and Vlasov-Maxwell simulations, the local heating of a dense plasma by two crossing electron beams. Heating occurs as an instability of the electron beams drives Langmuir waves, which couple nonlinearly into damped ion-acoustic waves. Simulations show a factor 2.8 increase in electron kinetic energy with a coupling efficiency of 18%. Our results support applications to the production of warm dense matter and as a driver for inertial fusion plasmas.
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28186512/-preventive-dentistry-3-prevalence-aetiology-and-diagnosis-of-dentine-hyper-sensitivity
#14
F N van der Weijden, C van Loveren, D E Slot, G A van der Weijden
Many people sometimes experience pain when they inhale breath across the cingula, or sensitivity and/or pain when they eat ice cream, for example. In some cases, however, this can become seriously unpleasant. In those cases, one can speak of dentine hypersensitivity. In Europe, an average of 27% of the population suffers from this. Dentine hypersensitivity is characterised by a short, sharp pain reaction after a warm or cold sensation. The external sensation causes an accelerated or converse flow of fluid in the dentinal tubules that excites the extremities of the nerve cells, which results in the sensation pain...
February 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28185360/effect-of-environmental-impedance-surrounding-a-radiofrequency-ablation-catheter-electrode-on-lesion-characteristics
#15
Duy T Nguyen, Kianna Nguyen, Lijun Zheng, Joseph Schuller, Matthew Zipse, Wendy S Tzou, William H Sauer
INTRODUCTION: The electrical conductivity of the environment surrounding a catheter electrode may affect radiofrequency (RF) current. A higher impedance environment enveloping a catheter tip can be insulating and thus direct RF preferentially into targeted cardiac tissue. We sought to evaluate whether different environmental impedances will affect RF lesions. METHODS: An ex vivo model using bovine myocardium, load cell, and 4 mm ablation catheter was tested using a circulating bath of normal (0...
February 10, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28181776/cardiovascular-adjustments-to-heat-stress-during-prolonged-exercise
#16
Luna Rizzo, Martin W Thompson
Prolonged effort in hot environments is increasing popular in extreme sports. The number of long distance athletes taking part in races in extremely warm condition, as in deserts, is larger than in the past and also the race distances are increased thus. The demanding for the heart function are higher than those challenged in the past only by few athletes and in easier conditions. This puts news challenges on the professional involved in these activities and there is a need to better understand how the cardiocirculatory system responses in these extreme environmental conditions...
February 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28176049/experimental-comparison-of-performances-of-mega-acer-kit-ranger-and-thermosens-according-to-flow-rates-and-distances
#17
Hong Ju Seo, Sang Hun Kim, Tae Hun An, Dong Joon Kim
We experimentally investigated the fluid warming performances of three warmers with different technology, according to flow rates and distances. We used the following intravenous fluid warmers: Mega Acer Kit (Group M, n = 8), Ranger (group R, n = 8), and ThermoSens (group T, n = 8). Fluids that had been stored in the operating room over the previous 24 h were delivered at sequent flow rates of from 440 mL/h up to 2500 mL/h through preheated warming devices. The fluid temperatures were recorded at the inlet point, 76-cm proximal (Pout1) and 166-cm distal outlet points (Pout2) every 1 min for 10 min...
February 7, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28121211/heated-intravenous-fluids-alone-fail-to-prevent-hypothermia-in-cats-under-general-anaesthesia
#18
Geraldine Jourdan, Caroline Didier, Erwan Chotard, Sandra Jacques, Patrick Verwaerde
Objectives The objective was to evaluate the clinical efficiacy of a constant rate infusion of heated fluid as the sole means of preventing intraoperative hypothermia in cats. Methods This randomised, prospective, clinical study was conducted at a university teaching veterinary hospital. Female cats (American Society of Anesthesiologists [ASA] grade I) undergoing elective surgery by laparotomy under general anaesthesia (acepromazine 0.05 mg/kg SC; morphine 0.2 mg/kg IV; propofol IV titrated, isoflurane 2% in 100% oxygen) were randomised in two groups...
January 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28104825/effect-of-bovine-oviductal-extracellular-vesicles-on-embryo-development-and-quality-in-vitro
#19
Ricaurte Lopera-Vasquez, Meriem Hamdi, Veronica Maillo, Alfonso Gutierrez-Adan, Pablo Bermejo-Alvarez, Miguel Angel Ramirez, Maria Yañez-Mo, Dimitrios Rizos
The aim of this study was to evaluate the effect of extracellular vesicles (EV) from oviductal fluid (OF), either from the ampulla or isthmus, on the development and quality of in vitro cultured bovine embryos. Zygotes were cultured in synthetic oviduct fluid (SOF+3mg/ml BSA) without calf serum (C- group), in the presence of 3x105 EV/ml from ampullary or isthmic OF at either 1x104xg (10k) and 1x105xg (100k), and compared with SOF+5% FCS (C+ group). OF-EV size and concentration were assessed by electron microscopy and nanotracking analysis system...
January 19, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28088757/challenges-in-neonatal-transport-in-jamaica-a-resource-limited-setting
#20
Salome Henry, Helen Trotman
AIM: This study aimed to determine challenges associated with neonatal transport in Jamaica, a resource-limited setting. METHODS: This was a prospective descriptive study of neonates transported to the University Hospital of the West Indies (UHWI) over a 15 month period. Data on the clinical status of the neonates before, during and at the end of transport, as well as on accompanying staff and equipment, were collected. Neonatal demographics, reason for transfer and outcome at 48 h and at discharge were also collected...
January 14, 2017: Journal of Tropical Pediatrics
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