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Sodium bicarbonate

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https://www.readbyqxmd.com/read/28644688/intraosseous-administration-of-antidotes-a-systematic-review
#1
Audrée Elliott, Pierre-André Dubé, Amélie Cossette-Côté, Laura Patakfalvi, Eric Villeneuve, Martin Morris, Sophie Gosselin
CONTEXT: Intraosseous (IO) access is an established route of administration in resuscitation situations. Patients with serious poisoning presenting to the emergency department may require urgent antidote therapy. However, intravenous (IV) access is not always readily available. OBJECTIVE: This study reviews the current evidence for IO administration of antidotes that could be used in poisoning. The primary outcome was mortality as a surrogate of efficacy. Secondary outcomes included hemodynamic variables, electrocardiographic variables, neurological status, pharmacokinetics outcomes, and adverse effects as defined by each article...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28642866/evaluation-of-serum-for-pathophysiological-effects-of-prolonged-low-salinity-water-exposure-in-displaced-bottlenose-dolphins-tursiops-truncatus
#2
Ruth Y Ewing, Blair Mase-Guthrie, Wayne McFee, Forrest Townsend, Charles A Manire, Michael Walsh, Rose Borkowski, Gregory D Bossart, Adam M Schaefer
We conducted a retrospective study of serum biochemistry and hematologic findings from displaced, out-of-habitat bottlenose dolphins (Tursiops truncatus) exposed to various low salinity environments in waters along the southern United States including southeastern Atlantic and northern Gulf of Mexico. Serum sodium, chloride, and calculated osmolality were significantly lower and below reference ranges in displaced animals compared to free-ranging case control animals. This suggests clinical hyponatremia, hypochloremia, and hypo-osmolality due to an uptake of low saline water from the environment...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28642116/contrast-induced-nephropathy-basic-concepts-pathophysiological-implications-and-prevention-strategies
#3
REVIEW
Charalampos Mamoulakis, Konstantinos Tsarouhas, Irini Fragkiadoulaki, Ioannis Heretis, Martin F Wilks, Demetrios A Spandidos, Christina Tsitsimpikou, Aristides Tsatsakis
Contrast-induced nephropathy (CIN) is reversible acute renal failure observed following administration of iodinated contrast media (CM) during angiographic or other medical procedures such as urography. There are various mechanisms through which CM develop their nephrotoxic effects, including oxidative stress and apoptosis. CIN is a real-life, albeit not very rare, entity. Exact pathophysiology remains obscure and no standard diagnostic criteria apply. The Acute Kidney Injury Network criteria was recently employed but its incidence/clinical significance warrants further clarification based on recent methodological advancements, because most published studies to date were contaminated by bias...
June 19, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28623674/cathepsin-k-in-lymphangioleiomyomatosis-lam-cell-fibroblast-interactions-enhance-protease-activity-by-extracellular-acidification
#4
Arundhati Dongre, Debbie Clements, Andrew J Fisher, Simon R Johnson
Lymphangioleiomyomatosis (LAM) is a rare disease in which clonal LAM cells infiltrate the lungs and lymphatics. In association with recruited fibroblasts, LAM cells form nodules adjacent to lung cysts. It is hypothesized that LAM nodule-derived proteases lead to cyst formation. On protease gene-expression profiling in whole-lung tissue, cathepsin K was 40-fold overexpressed in LAM compared with control lungs (P ≤ 0.0001). Immunohistochemistry confirmed cathepsin K protein in LAM nodules but not in control lungs...
June 14, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28607871/prevention-of-surgical-site-infections-and-biofilms-pharmacokinetics-of-subcutaneous-cefazolin-and-metronidazole-in-a-tumescent-lidocaine-solution
#5
Jeffrey A Klein, Loralie J Langman
BACKGROUND: Tumescent anesthesia antibiotic delivery (TAAD) consists of subcutaneous infiltration of antibiotic(s) dissolved tumescent lidocaine anesthesia. Tumescent lidocaine anesthesia contains lidocaine (≤ 1 g/L), epinephrine (≤ 1 mg/L), sodium bicarbonate (10 mEq/L) in 0.9% saline. Our aim was to measure cefazolin and metronidazole concentrations over time in subcutaneous tumescent interstitial fluid (TISF) after TAAD, in serum after TAAD and after intravenous antibiotic delivery (IVAD)...
May 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28596649/use-of-surrogate-samples-to-monitor-ph-during-high-dose-methotrexate-therapy
#6
Uday Yanamandra, Pooja Chauhan, Deepesh Lad, Alka Khadwal, Gaurav Prakash, Subhash Varma, Pankaj Malhotra
High dose methotrexate (Mtx) therapy is commonly used in hemato-oncological practice. Alkalization of urine is a part of high dose methotrexate therapy for preventing crystallization in urine to avert renal insufficiency. Alkalization is monitored by urine pH at regular intervals. Oral pH has occasionally been used as a surrogate for oral mucositis. To compare and correlate pH of various body secretions (venous blood, oral salivary, lacrimal and urine) among patients undergoing alkalization with intravenous sodium bicarbonate during high dose methotrexate therapy...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28590987/-chaotic-arrhythmia-during-successful-resuscitation-after-ingestion-of-yew-taxus-baccata-needles
#7
Andreas Zutter, Kathrin Hauri, Katrina S Evers, Sabine Uhde, Jens Fassl, Oliver Tobias Reuthebuch, Andreas Berset, Michael Kühne, Birgit C Donner
OBJECTIVE: The study aims to describe the management of a case of life-threatening yew (Taxus baccata) intoxication. BACKGROUND: The needles of the yew tree contain highly cardiotoxic taxines. Intoxication with taxines, typically as part of suicide attempts, may lead to potentially lethal arrhythmias which often require prolonged cardiopulmonary resuscitation and other supportive measures. No specific therapy has been described. In some cases, extracorporeal life support has been used...
June 6, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28590506/subcutaneous-emphysema-related-to-air-powder-tooth-polishing-a-report-of-three-cases
#8
Víctor Alonso, Lucía García-Caballero, Iria Couto, Márcio Diniz, Pedro Diz, Jacobo Limeres
Subcutaneous emphysema is a rare complication of dental procedures and can occasionally give rise to potentially life-threatening complications. We describe 3 cases of subcutaneous emphysema diagnosed in the same dental clinic. All cases occurred during tooth or implant cleaning using air polishing (KavoProphyflex(®) ) with a sodium bicarbonate powder (Air-N-Go Classic(®) ). The diagnosis was based on clinical findings and was confirmed radiologically. The cervical and facial regions were affected in all 3 cases, and spread to the mediastinum occurred in 1 case...
June 7, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28588421/evaluation-of-the-safety-and-efficacy-of-a-novel-product-for-the-removal-of-impacted-human-cerumen
#9
Douglas Fullington, Jenny Song, Antionette Gilles, Xiaowen Guo, Waley Hua, C Eric Anderson, Joseph Griffin
BACKGROUND: This open-label study evaluated the safety and efficacy of a novel product for the removal of impacted cerumen in adult patients. METHODS: This was a prospective, single-center, single-arm, self-controlled clinical trial conducted in a community general practice setting. The novel product contains glycolic acid in an otologically-acceptable buffer containing sodium bicarbonate and glycerin and other buffering agents. The product was instilled into the ear canal prior to irrigation with warm water...
2017: BMC Ear, Nose, and Throat Disorders
https://www.readbyqxmd.com/read/28581835/development-and-gamma-scintigraphy-evaluation-of-gastro-retentive-calcium-ion-based-oral-formulation-an-innovative-approach-for-the-management-of-gastro-oesophageal-reflux-disease-gerd
#10
Braj Gaurav Sharma, Kushagra Khanna, Neeraj Kumar, Dhruv K Nishad, Mitra Basu, Aseem Bhatnagar
Calcium chloride is an essential calcium channel agonist which plays an important role in the contraction of muscles by triggering calcium channel. First time hypothesized about its role in the treatment of GER (gastro-oesophageal reflux) and vomiting disorder due to its local action. There are two objectives covered in the present study as first, the development & optimization of floating formulation of calcium chloride and another objective was to evaluated optimized formulation through gamma scintigraphy in human subjects...
June 5, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28579300/correcting-a-fundamental-flaw-in-the-paradigm-for-antimicrobial-susceptibility-testing
#11
Selvi C Ersoy, Douglas M Heithoff, Lucien Barnes, Geneva K Tripp, John K House, Jamey D Marth, Jeffrey W Smith, Michael J Mahan
The emergence and prevalence of antibiotic-resistant bacteria are an increasing cause of death worldwide, resulting in a global 'call to action' to avoid receding into an era lacking effective antibiotics. Despite the urgency, the healthcare industry still relies on a single in vitro bioassay to determine antibiotic efficacy. This assay fails to incorporate environmental factors normally present during host-pathogen interactions in vivo that significantly impact antibiotic efficacy. Here we report that standard antimicrobial susceptibility testing (AST) failed to detect antibiotics that are in fact effective in vivo; and frequently identified antibiotics that were instead ineffective as further confirmed in mouse models of infection and sepsis...
May 29, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28575951/enhanced-gelation-of-chitosan-%C3%AE-sodium-glycerophosphate-thermosensitive-hydrogel-with-sodium-bicarbonate-and-biocompatibility-evaluated
#12
Aipeng Deng, Xi Kang, Jing Zhang, Yang Yang, Shulin Yang
The application of chitosan/β-sodium glycerophosphate (β-GP) thermosensitive hydrogel has been limited by the relatively slow gelation, weak mechanical resistance and poor cytocompatibility. In this study, sodium hydrogen carbonate (NaHCO3) was applied with β-GP as gel agents to produce high-strength hydrogel. The hydrogels prepared with high NaHCO3 concentration or more gel agents showed shorter gelation time, better thermostability, drastically enhanced resistance in compression. Meanwhile, the hydrogels presented obvious porous structures and excellent biocompatibility to HUVEC and NIH 3T3 cultured in vitro with higher NaHCO3 concentration and moderate concentration of β-GP...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28574225/three-stream-bicarbonate-based-hemodialysis-solution-delivery-system-revisited-with-an-emphasis-on-some-aspects-of-acid-base-principles
#13
REVIEW
Susie Q Lew, Orly F Kohn, Yuk-Lun Cheng, Carl M Kjellstrand, Todd S Ing
Hemodialysis patients can acquire buffer base (i.e., bicarbonate and buffer base equivalents of certain organic anions) from the acid and base concentrates of a three-stream, dual-concentrate, bicarbonate-based, dialysis solution delivery machine. The differences between dialysis fluid concentrate systems containing acetic acid versus sodium diacetate in the amount of potential buffering power were reviewed. Any organic anion such as acetate, citrate, or lactate (unless when combined with hydrogen) delivered to the body has the potential of being converted to bicarbonate...
June 2017: Artificial Organs
https://www.readbyqxmd.com/read/28572936/waffle-production-influence-of-batter-ingredients-on-sticking-of-waffles-at-baking-plates-part-ii-effect-of-fat-leavening-agent-and-water
#14
Regina Huber, Regine Schoenlechner
Fresh egg waffles are continuously baked in tunnel baking ovens in industrial scale. Waffles that partly or fully stick to the baking plates cause significant product loss and increased costs. The aim of this study was, therefore, to investigate the effect of different recipe ingredients on the sticking behavior of waffles. In this second part, ingredients investigated were different leavening agents (sodium acid pyrophosphate, ammonium bicarbonate, magnesium hydroxide carbonate, or monocalcium phosphate), different fat sources (rapeseed oil, cocos fat, butter, or margarine), and different water sources (tap water 12°dH and distilled water)...
May 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28569564/inhibition-of-the-%C3%AE-carbonic-anhydrase-from-vibrio-cholerae-with-amides-and-sulfonamides-incorporating-imidazole-moieties
#15
Daniela De Vita, Andrea Angeli, Fabiana Pandolfi, Martina Bortolami, Roberta Costi, Roberto Di Santo, Elisabetta Suffredini, Mariangela Ceruso, Sonia Del Prete, Clemente Capasso, Luigi Scipione, Claudiu T Supuran
We discovered novel and selective sulfonamides/amides acting as inhibitors of the α-carbonic anhydrase (CA, EC 4.2.1.1) from the pathogenic bacterium Vibrio cholerae (VchCA). This Gram-negative bacterium is the causative agent of cholera and colonises the upper small intestine where sodium bicarbonate is present at a high concentration. The secondary sulfonamides and amides investigated here were potent, low nanomolar VchCA inhibitors whereas their inhibition of the human cytosolic isoforms CA I and II was in the micromolar range or higher...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28568893/tgf-%C3%AE-signaling-directly-regulates-transcription-and-functional-expression-of-the-electrogenic-sodium-bicarbonate-cotransporter-1-nbce1-slc4a4-via-smad4-in-mouse-astrocytes
#16
Shokoufeh Khakipoor, Christian Ophoven, Magdalena Schrödl-Häußel, Melanie Feuerstein, Bernd Heimrich, Joachim W Deitmer, Eleni Roussa
The electrogenic sodium bicarbonate cotransporter NBCe1 (SLC4A4) expressed in astrocytes regulates intracellular and extracellular pH. Here, we introduce transforming growth factor beta (TGF-β) as a novel regulator of NBCe1 transcription and functional expression. Using hippocampal slices and primary hippocampal and cortical astrocyte cultures, we investigated regulation of NBCe1 and elucidated the underlying signaling pathways by RT-PCR, immunoblotting, immunofluorescence, intracellular H((+) ) recording using the H((+) ) -sensitive dye 2',7'-bis-(carboxyethyl)-5-(and-6)-carboxyfluorescein, mink lung epithelial cell (MLEC) assay, and chromatin immunoprecipitation...
August 2017: Glia
https://www.readbyqxmd.com/read/28560615/effect-of-continuous-dialysis-on-blood-ph-in-acidemic-hypercapnic-animals-with-severe-acute-kidney-injury-a-randomized-experimental-study-comparing-high-vs-low-bicarbonate-affluent
#17
Thiago Gomes Romano, Luciano Cesar Pontes Azevedo, Pedro Vitale Mendes, Eduardo Leite Vieira Costa, Marcelo Park
BACKGROUND: Controlling blood pH during acute ventilatory failure and hypercapnia in individuals suffering from severe acute kidney injury (AKI) and undergoing continuous renal replacement therapy (CRRT) is of paramount importance in critical care settings. In this situation, the optimal concentration of sodium bicarbonate in the dialysate is still an unsolved question in critical care since high concentrations may worsen carbon dioxide levels and low concentrations may not be as effective in controlling pH...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28557682/an-infant-presenting-with-failure-to-thrive-and-hyperkalaemia-owing-to-transient-pseudohypoaldosteronism-case-report
#18
Marieke De Clerck, Johan Vande Walle, Evelyn Dhont, Joke Dehoorne, Werner Keenswijk
A 3-month-old boy presented with failure to thrive and a history of a prenatally detected unilateral hydroureteronephrosis which was confirmed after birth. His growth and developmental milestones had been normal during the first 2 months but in the third month his appetite was poor with reduced intake but no vomiting. At presentation, his temperature was normal, there was mild dehydration and there was weight loss (his weight had decreased by 270 g in the past month). Haemoglobin was 11.9 g/dL, total white cell count 20...
May 30, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28556628/tris-base-buffer-a-promising-new-inhibitor-for-cancer-progression-and-metastasis
#19
Arig Ibrahim-Hashim, Dominique Abrahams, Pedro M Enriquez-Navas, Kim Luddy, Robert A Gatenby, Robert J Gillies
Neutralizing tumor external acidity with oral buffers has proven effective for the prevention and inhibition of metastasis in several cancer mouse models. Solid tumors are highly acidic as a result of high glycolysis combined with an inadequate blood supply. Our prior work has shown that sodium bicarbonate, imidazole, and free-base (but not protonated) lysine are effective in reducing tumor progression and metastasis. However, a concern in translating these results to clinic has been the presence of counter ions and their potential undesirable side effects (e...
May 29, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28553038/the-relationship-between-metabolic-acidosis-and-nutritional-parameters-in-patients-on-hemodialysis
#20
A D Sajgure, T A Dighe, J S Korpe, C B Bale, A O Sharma, N S Shinde, A A Goel, A V Mulay
The progressive loss of kidney function is accompanied by metabolic acidosis. The relationship between metabolic acidosis, nutritional status, and oral bicarbonate supplementation has not been assessed in the Indian chronic kidney disease (CKD) population who are on maintenance hemodialysis (MHD). This is a single-center prospective study conducted in the Western part of India. Thirty-five patients, who were receiving MHD were assessed for metabolic acidosis along with various nutritional parameters at the baseline and at the follow-up after 3 months, postcorrection of acidosis with oral sodium bicarbonate supplements...
May 2017: Indian Journal of Nephrology
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