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Hydroxocobalamin

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https://www.readbyqxmd.com/read/28478747/creation-of-a-virtual-antidotes-network-between-pharmacy-departments-of-catalan-hospitals
#1
Raquel Aguilar-Salmerón, Edurne Fernández de Gamarra-Martínez, Milagros García-Peláez, Antoni Broto-Sumalla, Lidia Martínez-Sánchez, Santiago Nogué-Xarau
Objetive: To design a virtual antidote network between hospitals that could help to locate on-line those hospitals that stocked those antidotes with the highest difficulty in terms of availability, and ensured that the medication was loaned in case of necessity. METHODS: The application was developed by four hospital pharmacists and two clinical toxicologists with the support of a Healthcare Informatics Consultant Company. RESULTS: The antidotes network in Catalonia, Spain, was launched in July 2015...
May 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28472554/efficacy-of-intravenous-cobinamide-versus-hydroxocobalamin-or-saline-for-treatment-of-severe-hydrogen-sulfide-toxicity-in-a-swine-sus-scrofa-model
#2
Vikhyat S Bebarta, Normalynn Garrett, Matthew Brenner, Sari Mahon, Joseph K Maddry, Susan Boudreau, Maria Castaneda, Gerard Boss
BACKGROUND: Hydrogen sulfide (H2S) is a potentially deadly gas that naturally occurs in petroleum and natural gas. The Occupational Health and Safety Administration cites H2S as a leading cause of workplace gas inhalation deaths. Mass casualties of H2S toxicity may be caused by exposure from industrial accidents or release from oil field sites. H2S is also an attractive terrorism tool because of its high toxicity and ease with which it can be produced. Several potential antidotes have been proposed for hydrogen sulfide poisoning but none have been completely successful...
May 4, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28421977/-a-woman-with-pink-urine-and-a-pink-skin
#3
J A Versteeg, G A M van der Nat
A 48-year-old woman with fire-related inhalation injury had pink urine and a pink skin. This was caused by hydroxocobalamin, which was used to treat cyanide poisoning.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28421567/early-biomarker-response-and-patient-preferences-to-oral-and-intramuscular-vitamin-b12-substitution-in-primary-care-a-randomised-parallel-group-trial
#4
Corina Metaxas, Deborah Mathis, Cyrill Jeger, Kurt Eduard Hersberger, Isabelle Arnet, Philipp Walter
BACKGROUND: Vitamin B12 (VB12) deficiency can be treated with oral high-dose substitution or intramuscular (i.m.) injection of VB12. Whenever alternative routes of administration exist, patient preferences should be considered when choosing the treatment. We aimed to assess outpatient preferences towards oral or IM VB12 substitution and confirm noninferiority of early biomarker response with oral treatment, in a typical primary care population. METHODS: Prospective randomised nonblinded parallel-group trial...
April 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28414054/endothelium-dependent-vasorelaxant-effect-of-procyanidin-b2-on-human-internal-mammary-artery
#5
Aleksandra Novakovic, Marija Marinko, Goran Jankovic, Ivan Stojanovic, Predrag Milojevic, Dragoslav Nenezic, Vladimir Kanjuh, Qin Yang, Guo-Wei He
The aim of the present study was to investigate and characterize vasorelaxant effect of procyanidin B2 on human internal mammary artery (HIMA) as one of the mechanisms of its protective effect against vascular risk. Procyanidin B2 induced strong concentration-dependent relaxation of HIMA rings pre-contracted by phenylephrine. Pretreatment with L-NAME, a NO synthase inhibitor, hydroxocobalamin, a NO scavenger, and ODQ, an inhibitor of soluble guanylate cyclase, significantly inhibited procyanidin B2-induced relaxation of HIMA, while indomethacin, a cyclooxygenase inhibitor, considerably reduced effects of low concentrations...
April 13, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28405068/hemodialysis-failure-secondary-to-hydroxocobalamin-exposure
#6
Kenneth Lim, Eliot Heher, David Steele, Andrew Z Fenves, John Kevin Tucker, Ravi Thadhani, Kenneth Christopher, Nina Tolkoff-Rubin
Hydroxocobalamin is a recently approved antidote for the treatment of cyanide poisoning. The case presented involves a young patient administered empiric hydroxocobalamin due to suspected cyanide overdose. Due to the development of acute kidney injury and severe metabolic derangement, emergent hemodialysis was initiated. Unfortunately, hemodialysis was confounded by a recurrent "blood leak" alarm. This unforeseen effect was secondary to interference from hydroxocobalamin. Hydroxocobalamin causes orange/red discoloration of bodily fluids and permeates the dialysate...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28363510/x-linked-cobalamin-disorder-hcfc1-mimicking-nonketotic-hyperglycinemia-with-increased-both-cerebrospinal-fluid-glycine-and-methylmalonic-acid
#7
Emmanuel Scalais, Elise Osterheld, Christiane Weitzel, Linda De Meirleir, Frederic Mataigne, Geert Martens, Tamim H Shaikh, Curtis R Coughlin, Hung-Chun Yu, Michael Swanson, Marisa W Friederich, Gunter Scharer, Daniel Helbling, Jamie Wendt-Andrae, Johan L K Van Hove
BACKGROUND: Autosomal recessive or X-linked inborn errors of intracellular cobalamin metabolism can lead to methylmalonic aciduria and homocystinuria. In neonates, both increased cerebrospinal fluid glycine and cerebrospinal fluid/plasma glycine ratio are biochemical features of nonketotic hyperglycinemia. METHODS: We describe a boy presenting in the neonatal period with hypotonia, tonic, clonic, and later myoclonic seizures, subsequently evolving into refractory epilepsy and severe neurocognitive impairment...
January 7, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28321545/tissue-distribution-of-oral-vitamin-b12-is-influenced-by-b12-status-and-b12-form-an-experimental-study-in-rats
#8
Linda S Kornerup, Sergey N Fedosov, Christian B Juul, Eva Greibe, Christian W Heegaard, Ebba Nexo
PURPOSE: Hydroxocobalamin (HOCbl) is the dominating Cbl form in food, whereas cyanocobalamin (CNCbl) is common in vitamin pills and oral supplements. This study compares single-dose absorption and distribution of oral HO[(57)Co]Cbl and CN[(57)Co]Cbl in Cbl-deficient and normal rats. METHODS: Male Wistar rats (7 weeks) were fed a 14-day diet with (n = 15) or without (n = 15) Cbl. We compared the uptakes of HO[(57)Co]Cbl (free or bound to bovine transcobalamin) and free CN[(57)Co]Cbl administered by gastric gavage (n = 5 in each diet group)...
March 20, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28243144/a-double-blind-randomized-comparative-study-of-the-use-of-a-combination-of-uridine-triphosphate-trisodium-cytidine-monophosphate-disodium-and-hydroxocobalamin-versus-isolated-treatment-with-hydroxocobalamin-in-patients-presenting-with-compressive-neuralgias
#9
Henrique Goldberg, Marco Antonio Mibielli, Carlos Pereira Nunes, Stephanie Wrobel Goldberg, Luiz Buchman, Spyros Ge Mezitis, Helio Rzetelna, Lisa Oliveira, Mauro Geller, Fernanda Wajnsztajn
CONTEXT: This paper reports on the results of treatment of compressive neuralgia using a combination of nucleotides (uridine triphosphate trisodium [UTP] and cytidine monophosphate disodium [CMP]) and vitamin B12. OBJECTIVES: To assess the safety and efficacy of the combination of nucleotides (UTP and CMP) and vitamin B12 in patients presenting with neuralgia arising from neural compression associated with degenerative orthopedic alterations and trauma, and to compare these effects with isolated administration of vitamin B12...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28229373/red-urinary-discolouration-following-hydroxocobalamin-treatment-for-vasoplegic-syndrome
#10
Matthew A Warner, William J Mauermann, Sarah Armour, David W Barbara
No abstract text is available yet for this article.
February 22, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28012726/treatment-of-vasoplegic-syndrome-with-intravenous-hydroxocobalamin-during-liver-transplantation-a-report-of-2-cases
#11
Brent T Boettcher, Harvey J Woehlck, Sarah E Reck, Johnny C Hong, Michael A Zimmerman, Joohyun Kim, M Tracy Zundel, Julie K Freed, Paul S Pagel
No abstract text is available yet for this article.
October 14, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/27905001/guidelines-for-diagnosis-and-management-of-the-cobalamin-related-remethylation-disorders-cblc-cbld-cble-cblf-cblg-cblj-and-mthfr-deficiency
#12
Martina Huemer, Daria Diodato, Bernd Schwahn, Manuel Schiff, Anabela Bandeira, Jean-Francois Benoist, Alberto Burlina, Roberto Cerone, Maria L Couce, Angeles Garcia-Cazorla, Giancarlo la Marca, Elisabetta Pasquini, Laura Vilarinho, James D Weisfeld-Adams, Viktor Kožich, Henk Blom, Matthias R Baumgartner, Carlo Dionisi-Vici
BACKGROUND: Remethylation defects are rare inherited disorders in which impaired remethylation of homocysteine to methionine leads to accumulation of homocysteine and perturbation of numerous methylation reactions. OBJECTIVE: To summarise clinical and biochemical characteristics of these severe disorders and to provide guidelines on diagnosis and management. DATA SOURCES: Review, evaluation and discussion of the medical literature (Medline, Cochrane databases) by a panel of experts on these rare diseases following the GRADE approach...
January 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27859624/hemolysis-index-to-detect-degree-of-hydroxocobalamin-interference-with-common-laboratory-tests
#13
Laura Fueyo, Juan Robles, Irene Aguilar, Aina M Yáñez, Magdalena Socias, Magdalena Parera
BACKGROUND: Cyanokit(®) (hydroxocobalamin OHCo) is the recommended treatment for cyanide poisoning. OHCo is a red chromophore and may cause interference with some biochemical measurements. In this study, we assessed the possible interference of Cyanokit on several cooximetric and plasma biochemistry tests and then determined the possible mathematical correction for some analytes. We studied the possibility of detecting and evaluating the degree of interference with the hemolysis index (HI) provided by our autoanalyzer because it is not possible to measure the OHCo concentration in conventional laboratories...
November 10, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27858373/vitamin-b12-administration-by-subcutaneous-catheter-device-in-a-cobalamin-a-cbla-patient
#14
E Maines, G Morandi, G Gugelmo, F Ion-Popa, N Campostrini, A Pasini, M Vincenzi, F Teofoli, M Camilot, A Bordugo
Cobalamin A deficiency (cblA) is an inherited disorder of intracellular cobalamin metabolism, caused by impaired 5'-deoxy-adenosylcobalamin (AdoCbl) synthesis. Hydroxocobalamin (OHCbl) is the cornerstone of cblA treatment because vitamin B12 may completely restore AdoCbl deficiency. Parenteral administration, intravenous, subcutaneous or intramuscular, is generally required to achieve effect. Daily injections represent a problem for the parents and the caregivers, and this may lead to poor compliance and scarce adherence to the long-term treatment...
November 18, 2016: JIMD Reports
https://www.readbyqxmd.com/read/27851628/1994-hydroxocobalamin-for-the-treatment-of-refractory-hypotension-in-a-patient-with-septic-shock
#15
Annie Biesboer, Michael Katz, Amit Taneja
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850516/878-treatment-of-refractory-vasoplegic-shock-with-hydroxocobalamin-and-methylene-blue
#16
Joel Feih, Joseph Rinka, Michael Zundel, Markus Kaiser
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27849860/218-evaluation-of-hydroxocobalamin-in-vasoplegia-in-cardiac-surgery
#17
Sarah Klemm, Craig Glienke
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27749291/hydroxocobalamin-for-vasoplegic-syndrome-in-liver-transplantation-restoration-of-blood-pressure-without-vasospasm
#18
Harvey J Woehlck, Brent T Boettcher, Kathryn K Lauer, David C Cronin, Johnny C Hong, Michael A Zimmerman, Joohyun Kim, Motaz Selim
Systemic vasoplegia is common in patients undergoing liver transplantation. In this report, we present a case in which treatment with conventional vasopressors caused peripheral arterial spasm, rendering arterial blood pressure monitoring impossible. Administration of methylene blue resolved the vasospasm; however, concern for toxic dose requirements limited its use. Hydroxocobalamin administration resolved the vasospasm and increased blood pressure without the potential adverse effects seen with methylene blue...
December 15, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/27568998/vitamin-b12-induced-spermatogenesis-recovery-in-cimetidine-treated-rats-effect-on-the-spermatogonia-number-and-sperm-concentration
#19
Flávia L Beltrame, Estela Sasso-Cerri
The H 2 -receptor antagonist cimetidine is an antiulcer drug also used for the treatment of cancer due to its antiangiogenic effect. However, this drug has caused structural changes in the seminiferous tubules. Vitamin B 12 has been used as a therapeutic agent for the treatment of male infertility. The supplementation of rats with vitamin B 12 during cimetidine treatment has recovered the damaged seminiferous tubules, but how this vitamin restores the seminiferous epithelium has not been clarified. In this study, we evaluated whether vitamin B 12 improves the number of spermatogonia, spermatocytes, and sperm concentration in cimetidine-treated rats...
August 26, 2016: Asian Journal of Andrology
https://www.readbyqxmd.com/read/27554631/utility-and-outcomes-of-hydroxocobalamin-use-in-smoke-inhalation-patients
#20
Lyly Nguyen, Ashkan Afshari, Steven A Kahn, Stuart McGrane, Blair Summitt
INTRODUCTION: Hydroxocobalamin has been available for use for suspected cyanide toxicity in smoke inhalation patients in the United States since 2006. Our study compares outcomes of patients who received hydroxocobalamin to historical controls who did not. METHODS: In this retrospective review, patients administered hydroxocobalamin (2008-2014) were compared to historical controls (2002-2008). Patients <18 years, patients who received an alternate antidote, and patients without suspicion of smoke inhalation injury were excluded...
February 2017: Burns: Journal of the International Society for Burn Injuries
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