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Fluid Warming

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https://www.readbyqxmd.com/read/29146150/the-effect-of-cold-acclimation-on-active-ion-transport-in-cricket-ionoregulatory-tissues
#1
Lauren E Des Marteaux, Soheila Khazraeenia, Gil Y Yerushalmi, Andrew Donini, Natalia G Li, Brent J Sinclair
Cold-acclimated insects defend ion and water transport function during cold exposure. We hypothesized that this is achieved via enhanced active transport. The Malpighian tubules and rectum are likely targets for such transport modifications, and recent transcriptomic studies indicate shifts in Na(+)-K(+) ATPase (NKA) and V-ATPase expression in these tissues following cold acclimation. Here we quantify the effect of cold acclimation (one week at 12°C) on active transport in the ionoregulatory organs of adult Gryllus pennsylvanicus field crickets...
November 13, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/29080900/association-between-flushed-fluid-potassium-concentration-and-severe-postreperfusion-syndrome-in-deceased-donor-liver-transplantation
#2
Liang Zhang, Ming Tian, Liying Sun, Zhijun Zhu
BACKGROUND Predicting the occurrence of severe postreperfusion syndrome (PRS) is clinically challenging. We investigated whether the flushed fluid potassium concentration (FFK) was associated with severe PRS in deceased donor liver transplantation (DDLT). MATERIAL AND METHODS Forty adult DDLT recipients were enrolled in this retrospective study. Effluent solution samples were collected at the end of the portal vein flush, and the FFK was determined using a point-of-care blood gas analyzer. The risk factors associated with severe PRS and the clinical outcomes in 2 groups were compared...
October 29, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29021000/the-swedish-study-of-irrigation-fluid-temperature-in-the-evacuation-of-chronic-subdural-hematoma-sic-study-protocol-for-a-multicenter-randomized-controlled-trial
#3
Andreas Bartley, Asgeir S Jakola, Jiri Bartek, Jimmy Sundblom, Petter Förander, Niklas Marklund, Magnus Tisell
BACKGROUND: Chronic subdural hematoma (cSDH) is one of the most common conditions encountered in neurosurgical practice. Recurrence, observed in 5-30% of patients, is a major clinical problem. The temperature of the irrigation fluid used during evacuation of the hematoma might theoretically influence recurrence rates since irrigation fluid at body temperature (37 (o)C) may beneficially influence coagulation and cSDH solubility when compared to irrigation fluid at room temperature. Should no difference in recurrence rates be observed when comparing irrigation-fluid temperatures, there is no need for warmed fluids during surgery...
October 11, 2017: Trials
https://www.readbyqxmd.com/read/28979090/effects-of-temperature-and-fluid-media-on-the-scroll-width-size-of-the-descemet-s-membrane-endothelial-keratoplasty-dmek-donor-graft
#4
Ellen H Koo, Allen O Eghrari, Ryan S Meshkin, Wei Shi, William J Feuer, Karen G DeMarco, Arthur C Kurz
AIM: Our study was conducted to evaluate whether higher temperature leads to increased - or wider - scroll widths of the Descemet's membrane endothelial keratoplasty (DMEK) donor graft. PURPOSE: To investigate the effects of temperature and fluid media on the DMEK donor graft scroll widths. MATERIALS AND METHODS: This research work was a laboratory investigation. Baseline cell count was taken via specular microscopy for the donor corneas at room temperature (20°C-25°C)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28948902/survey-of-owner-subcutaneous-fluid-practices-in-cats-with-chronic-kidney-disease
#5
Crystal M Cooley, Jessica M Quimby, Sarah Ma Caney, Liberty G Sieberg
Objectives The purpose of this study was to survey owners regarding their practices and experiences with the administration of subcutaneous (SC) fluids at home to cats with chronic kidney disease (CKD) to gain insight that might help more owners be successful with the procedure. Methods A web-based survey was advertised online. Owners of 468 cats with CKD participated, 399 of whom administered SC fluids. Results Fifty-nine percent of the cats were domestic shorthairs, with >85% of the cats being 10 years of age or older...
September 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28940249/protection-against-cold-a-survey-of-available-equipment-in-swedish-pre-hospital-services
#6
O Henriksson, U Björnstig, B-I Saveman, P J Lundgren
BACKGROUND: The aim of this study was to survey the current equipment used for prevention, treatment and monitoring of accidental hypothermia in Swedish pre-hospital services. METHODS: A questionnaire was sent to all road ambulance services (AS), the helicopter emergency medical services (HEMS), the national helicopter search and rescue service (SAR) and the municipal rescue services (RS) in Sweden to determine the availability of insulation, active warming, fluid heating, and low-reading thermometers...
November 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28912418/genesis-of-ultra-high-ni-olivine-in-high-mg-andesite-lava-triggered-by-seamount-subduction
#7
Tatsuji Nishizawa, Hitomi Nakamura, Tatiana Churikova, Boris Gordeychik, Osamu Ishizuka, Satoru Haraguchi, Takashi Miyazaki, Bogdan Stefanov Vaglarov, Qing Chang, Morihisa Hamada, Jun-Ichi Kimura, Kenta Ueki, Chiaki Toyama, Atsushi Nakao, Hikaru Iwamori
The Kamchatka Peninsula is a prominent and wide volcanic arc located near the northern edge of the Pacific Plate. It has highly active volcanic chains and groups, and characteristic lavas that include adakitic rocks. In the north of the peninsula adjacent to the triple junction, some additional processes such as hot asthenospheric injection around the slab edge and seamount subduction operate, which might enhance local magmatism. In the forearc area of the northeastern part of the peninsula, monogenetic volcanic cones dated at <1 Ma were found...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28893392/computational-modeling-and-validation-of-human-nasal-airflow-under-various-breathing-conditions
#8
Chengyu Li, Jianbo Jiang, Haibo Dong, Kai Zhao
The human nose serves vital physiological functions, including warming, filtration, humidification, and olfaction. These functions are based on transport phenomena that depend on nasal airflow patterns and turbulence. Accurate prediction of these airflow properties requires careful selection of computational fluid dynamics models and rigorous validation. The validation studies in the past have been limited by poor representations of the complex nasal geometry, lack of detailed airflow comparisons, and restricted ranges of flow rate...
November 7, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28877288/effect-of-rewetting-solutions-on-micropush-out-dentin-bond-strength-of-new-bioceramic-endodontic-material
#9
Giovana Cunha Gritti, Salma Ivanna Araújo Cavalcante, Etevaldo Matos Maia-Filho, José Bauer, Matheus Coêlho Bandéca, Giulio Gavini, Ceci Nunes Carvalho
To evaluate the influence of rewetting solutions on bond strength to root dentin of conventional gutta-percha (GP) or niobium phosphate glass-based gutta-percha (GNb) associated with a bioceramic sealer. The root canals of 80 human mandibular premolars were prepared using nickel-titanium instruments and irrigation with sodium hypochlorite and EDTA. The teeth were randomly divided into four groups according to the gutta-percha used: GNb or GP associated with EndoSequence BC Sealer (BC) and the solution for rewetting dentin before filling (distilled water; phosphate buffer saline solution - PBS; simulated body fluid - SBF; or no solution)...
August 31, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28851278/toscana-virus-meningo-encephalitis-an-important-differential-diagnosis-for-elderly-travellers-returning-from-mediterranean-countries
#10
James Veater, Farhan Mehedi, Chee Kay Cheung, Laura Nabarro, Jane Osborne, Nicholas Wong, Martin Wiselka, Julian W Tang
BACKGROUND: Elderly patients have a long list of differentials for causes of acute confusion and altered consciousness levels, including infectious agents. In addition, elderly, retired patients often have more time to travel for tourism, particularly to exotic, warmer locations. Mediterranean countries such as Spain and Italy are popular holiday destinations for British and other tourists, especially during the winter months. However, these warm climates allow insect vectors to proliferate, increasing the risk of exposure to endemic vectorborne viral infections whilst on vacation...
August 29, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28831193/tuberculosis-cryptococcosis-co-infection-in-china-between-1965-and-2016
#11
Wenjie Fang, Lei Zhang, Jia Liu, David W Denning, Ferry Hagen, Weiwei Jiang, Nan Hong, Shuwen Deng, Xia Lei, Danqi Deng, Wanqing Liao, Jianping Xu, Teun Boekhout, Min Chen, Weihua Pan
Cases of tuberculosis/cryptococcosis co-infection are rapidly increasing in China. However, most studies addressing this co-infection have been published in Chinese journals, and this publication strategy has obscured this disease trend for scientists in other parts of the world. Our investigation found that 62.9% of all co-infection cases worldwide were reported in the Chinese population (n=197) between 1965 and 2016, and 56.3% of these Chinese cases were reported after 2010. Nearly all cases originated from the warm and wet monsoon regions of China...
August 23, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28803343/sediment-lipid-biomarkers-record-phytoplankton-dynamics-of-lake-heihai-yunnan-province-sw-china-driven-by-climate-warming-since-the-1980s
#12
Yongdong Zhang, Yaling Su, Zhengwen Liu, Jinlei Yu, Miao Jin
Increased phosphorus (P) export from sediments to the overlying water column is a significant factor driving the variation of phytoplankton in productivity and community structure in lakes. However, the lack of long-term instrumental data often impeded analyses attempting to associate dynamics of phytoplankton with variation of internal P loading. Here, elements and lipid biomarkers were analyzed in a sediment core from Lake Heihai, a small, deep, and ultraoligotrophic alpine lake in Haba Mountain, Yunnan Province, SW China...
September 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28801142/synergistic-experimental-and-numerical-characterization-of-a-dry-heat-fluid-warming-device
#13
Winston Tan, Eph M Sparrow, John M Gorman, Jungwon Ahn
Fluids that are infused into the human body must be at a temperature that is compatible with the internal thermal state of the body. Since infusants are typically stored at temperatures that are too low for compatibility, a heating means is required to achieve the appropriate infusion temperature. This paper sets forth a synergistic investigation involving coupled experimentation and numerical simulation of the characteristics of one of the main categories of body-fluid heating means. The methodology developed here serves equally well as a design optimization tool...
November 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28794842/mega-acer-kit%C3%A2-is-more-effective-for-warming-the-intravenous-fluid-than-ranger%C3%A2-and-thermosens%C3%A2-at-440-ml-h-of-infusion-rate-an-experimental-performance-study
#14
Dong Joon Kim, Sang Hun Kim, Keum Young So, Tae Hun An
BACKGROUND: Few studies have investigated the effectiveness of intravenous fluid warmers at low and moderate flow rates below 1,000 ml/h. In this study, we compared the effectiveness of three different fluid warmers at a low flow rate (440 ml/h). METHODS: We experimentally investigated the fluid warming performances of Mega Acer Kit® (Group M, n = 10), Ranger™ (Group R, n = 10), and ThermoSens® (Group T, n = 10) at 440 ml/h for 60 min. All devices were set at a warming temperature of 41℃ with preheating for 10 min...
August 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28791559/laparoscopic-lens-fogging-solving-a-common-surgical-problem-in-standard-and-robotic-laparoscopes-via-a-scientific-model
#15
Todd G Manning, Nathan Papa, Marlon Perera, Shannon McGrath, Daniel Christidis, Munad Khan, Richard O'Beirne, Nicholas Campbell, Damien Bolton, Nathan Lawrentschuk
BACKGROUND: Laparoscopic lens fogging (LLF) hampers vision and impedes operative efficiency. Attempts to reduce LLF have led to the development of various anti-fogging fluids and warming devices. Limited literature exists directly comparing these techniques. We constructed a model peritoneum to simulate LLF and to compare the efficacy of various anti-fogging techniques. MATERIALS AND METHODS: Intraperitoneal space was simulated using a suction bag suspended within an 8 L container of water...
August 8, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28762448/comparison-of-warm-fluid-and-cold-fluid-resuscitation-during-uncontrolled-hemorrhagic-shock-model-in-rats
#16
Serkan Dilmen, Mehmet Eryılmaz, Salih Müjdat Balkan, Muhittin Serdar, Murat Durusu, Ali Osman Yıldırım, Sanem Aslıhan Dilmen
BACKGROUND: This study was designed to compare the effects of resuscitation with cold and warm fluid on survival time, rate and volume of hemorrhage, hemodynamics, hypothermia, coagulopathy, acid-base balance, hematocrit, lactate, and base deficit during uncontrolled hemorrhagic shock (HS) model in rats. METHODS: HS model was created with splenic vascular and parenchymal injury in 29 rats under ketamine and xylazine anesthesia. Thirty minutes after the hemorrhage, the rats were randomized to receive 14...
July 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28741744/thermal-suit-in-preventing-unintentional-intraoperative-hypothermia-during-general-anaesthesia-a-randomized-controlled-trial
#17
S-L Lauronen, M-L Kalliomäki, A J Aho, J Kalliovalkama, J M Riikonen, M-T Mäkinen, H M Leppikangas, A M Yli-Hankala
BACKGROUND: Unintentional perioperative hypothermia causes serious adverse effects to surgical patients. Thermal suit (T-Balance(®) ) is an option for passive warming perioperatively. We hypothesized that the thermal suit will not maintain normothermia more efficiently than conventional cotton clothes when also other preventive procedures against unintentional hypothermia are used. METHODS: One hundred patients were recruited to this prospective, randomized trial...
October 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28659879/co-registered-geochemistry-and-metatranscriptomics-reveal-unexpected-distributions-of-microbial-activity-within-a-hydrothermal-vent-field
#18
Heather C Olins, Daniel R Rogers, Christina Preston, William Ussler, Douglas Pargett, Scott Jensen, Brent Roman, James M Birch, Christopher A Scholin, M Fauzi Haroon, Peter R Girguis
Despite years of research into microbial activity at diffuse flow hydrothermal vents, the extent of microbial niche diversity in these settings is not known. To better understand the relationship between microbial activity and the associated physical and geochemical conditions, we obtained co-registered metatranscriptomic and geochemical data from a variety of different fluid regimes within the ASHES vent field on the Juan de Fuca Ridge. Microbial activity in the majority of the cool and warm fluids sampled was dominated by a population of Gammaproteobacteria (likely sulfur oxidizers) that appear to thrive in a variety of chemically distinct fluids...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28639291/perfusion-of-isolated-rat-kidney-with-mesenchymal-stromal-cells-extracellular-vesicles-prevents-ischaemic-injury
#19
Marilena Gregorini, Valeria Corradetti, Eleonora Francesca Pattonieri, Chiara Rocca, Samantha Milanesi, Andrea Peloso, Silvana Canevari, Loris De Cecco, Matteo Dugo, Maria Antonietta Avanzini, Melissa Mantelli, Marcello Maestri, Pasquale Esposito, Stefania Bruno, Carmelo Libetta, Antonio Dal Canton, Teresa Rampino
Kidney donation after circulatory death (DCD) is a less than ideal option to meet organ shortages. Hypothermic machine perfusion (HMP) with Belzer solution (BS) improves the viability of DCD kidneys, although the graft clinical course remains critical. Mesenchymal stromal cells (MSC) promote tissue repair by releasing extracellular vesicles (EV). We evaluated whether delivering MSC-/MSC-derived EV during HMP protects rat DCD kidneys from ischaemic injury and investigated the underlying pathogenic mechanisms...
June 21, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28629957/chemical-hand-warmer-packet-ingestion-a-case-of-elemental-iron-exposure
#20
Jessica L Weiland, Leighanne K Sherrow, Deepak A Jayant, Kenneth D Katz
For individuals who work outdoors in the winter or play winter sports, chemical hand warmers are becoming increasingly more commonplace because of their convenience and effectiveness. A 32-year-old woman with a history of chronic pain and bipolar disorder presented to the emergency department complaining of a "warm sensation" in her mouth and epigastrium after reportedly ingesting the partial contents of a chemical hand warmer packet containing between 5 and 8 g of elemental iron. She had been complaining of abdominal pain for approximately 1 month and was prescribed unknown antibiotics the previous day...
June 16, 2017: Wilderness & Environmental Medicine
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