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Magnesium sulfate

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https://www.readbyqxmd.com/read/27921445/risk-of-neonatal-and-childhood-morbidity-among-preterm-infants-exposed-to-marijuana
#1
Sarah K Dotters-Katz, Marcela C Smid, Tracy A Manuck, Torri D Metz
BACKGROUND: Limited data exist regarding the neonatal and neurodevelopmental outcomes of infants exposed to marijuana (MJ) in-utero, particularly among preterm infants. We hypothesized that MJ-exposed preterm infants would have worse neonatal and childhood developmental outcomes compared to MJ-unexposed infants. METHODS: Secondary analysis of multicenter randomized-controlled trial of antenatal magnesium sulfate for prevention of cerebral palsy was conducted. Singleton non-anomalous infants delivered <35 weeks exposed to MJ in-utero were compared to MJ-unexposed...
December 6, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27909740/clinical-pharmacokinetics-of-magnesium-sulfate-in-the-treatment-of-children-with-severe-acute-asthma
#2
Joseph E Rower, Xiaoxi Liu, Tian Yu, Michael Mundorff, Catherine M T Sherwin, Michael D Johnson
PURPOSE: Intravenous (IV) magnesium sulfate (MgSO4) is used as adjunct therapy to treat acute asthma exacerbations. Despite its clinical use, there is a limited understanding of the disposition of magnesium in children. METHODS: To explore the pharmacokinetics (PK) of IV MgSO4 in this population, we collected retrospective data from 54 children who received IV MgSO4 for treatment of an acute asthma exacerbation at Primary Children's Hospital in Salt Lake City, UT...
December 2, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27878553/magnesium-sulfate-provides-neuroprotection-in-eclampsia-like-seizure-model-by-ameliorating-neuroinflammation-and-brain-edema
#3
Xiaolan Li, Xinjia Han, Jinying Yang, Junjie Bao, Xiaodan Di, Guozheng Zhang, Huishu Liu
Eclampsia is a hypertensive disorder of pregnancy that is defined by the new onset of grand mal seizures on the basis of preeclampsia and a leading cause of maternal and fetal mortality worldwide. Presently, magnesium sulfate (MgSO4) is the most effective treatment, but the mechanism by which MgSO4 prevents eclampsia has yet to be fully elucidated. We previously showed that systemic inflammation decreases the seizure threshold in a rat eclampsia-like model, and MgSO4 treatment can decrease systemic inflammation...
November 22, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27866449/effect-of-magnesium-sulfate-on-morphine-activity-retention-to-control-pain-after-herniorrhaphy
#4
Sedigheh Nadri, Hormoz Mahmoudvand, Sepideh Vahabi
AIM: This research was carried out to compare magnesium sulfate (MgSO4) with isotonic saline in terms of pain control after herniorrhaphy. PATIENTS & METHODS: A randomized double-blind study, in which the patients were blind to all. A total of 100 patients who were candidates of herniorrhaphy were randomized into two groups: experimental and control (50 patients in each). Anesthesia was induced with 20% of 4 cc of morphine. The experimental and control group received postoperative 20% of 2 cc MgSO4 in 2 cc of isotonic saline and 4 cc of isotonic saline, respectively...
November 21, 2016: Pain Management
https://www.readbyqxmd.com/read/27862722/evaporite-borate-containing-mineral-ensembles-make-phosphate-available-and-regiospecifically-phosphorylate-ribonucleosides-borate-as-a-multifaceted-problem-solver-in-prebiotic-chemistry
#5
Hyo-Joong Kim, Yoshihiro Furukawa, Takeshi Kakegawa, Andrei Bita, Romulus Scorei, Steven A Benner
RNA is currently thought to have been the first biopolymer to support Darwinian natural selection on Earth. However, the phosphate esters in RNA and its precursors, and the many sites at which phosphorylation might occur in ribonucleosides under conditions that make it possible, challenge prebiotic chemists. Moreover, free inorganic phosphate may have been scarce on early Earth owing to its sequestration by calcium in the unreactive mineral hydroxyapatite. Herein, it is shown that these problems can be mitigated by a particular geological environment that contains borate, magnesium, sulfate, calcium, and phosphate in evaporite deposits...
November 9, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27862658/a-double-blind-randomized-crossover-study-of-intravenous-infusion-of-magnesium-sulfate-versus-5-dextrose-on-depressive-symptoms-in-adults-with-treatment-resistant-depression
#6
Syed A Mehdi, Steven E Atlas, Sidra Qadir, Dominique Musselman, Sharon Goldberg, Judi M Woolger, Raul Corredor, Muhammad Hasnain Abbas, Leopoldo Arosemena, Simone Caccamo, Carmen Campbell, Ashar Farooqi, Jinrun Gao, Janet Konefal, Lucas C Lages, Laura Lantigua, Johanna Lopez, Vanessa Padilla, Ammar Rasul, Anna M Ray, Herbert Simões, Eduard Tiozzo, John E Lewis
AIM: Treatment-resistant depression patients are more likely to suffer from comorbid physical and mental disorders, experience marked and protracted functional impairment, and incur higher healthcare costs than non-affected individuals. Magnesium sulfate is a treatment option that may offer great potential for patients with treatment-resistant depression based on prior work in animals and humans. METHODS: Twelve subjects with mild or moderate treatment-resistant depression were randomized into a double-blind crossover trial to receive an infusion of 4 gram of magnesium sulfate in 5% dextrose or placebo infusion of 5% dextrose with a 5-day washout in between the 8-day intervention period...
November 10, 2016: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/27853692/comparison-of-the-analgesic-effect-of-paracetamol-and-magnesium-sulfate-during-surgeries
#7
Navid Kalani, Mohammad Sadegh Sanie, Hasan Zabetian, Mohammad Radmehr, Reza Sahraei, Hossein Kargar Jahromi, Hadi Zare Marzouni
BACKGROUND: New drugs are increasingly used to induce analgesia during surgeries. This study compared the analgesic effects of paracetamol and magnesium sulfate. METHODS: Sixty patients with American Society of Anesthesiologists (ASA) class I or II patients who were candidates for surgery of the lower limbs were randomly divided into three equal groups who were age and gender matched. Group 1 received paracetamol, and group 2, the magnesium sulfate during surgery and group 3 as the control...
September 2016: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/27836377/-prevention-of-spontaneous-preterm-birth-excluding-preterm-premature-rupture-of-membranes-guidelines-for-clinical-practice%C3%A2-%C3%A2-text-of-the-guidelines-short-text
#8
L Sentilhes, M-V Sénat, P-Y Ancel, E Azria, G Benoist, J Blanc, G Brabant, F Bretelle, S Brun, M Doret, C Ducroux-Schouwey, A Evrard, G Kayem, E Maisonneuve, L Marcellin, S Marret, N Mottet, S Paysant, D Riethmuller, P Rozenberg, T Schmitz, H Torchin, B Langer
OBJECTIVES: To determine the measures to prevent spontaneous preterm birth (excluding preterm premature rupture of membranes)and its consequences. MATERIALS AND METHODS: The PubMed database, the Cochrane Library and the recommendations from the French and foreign obstetrical societies or colleges have been consulted. RESULTS: In France, premature birth concerns 60,000 neonates every year (7.4 %), half of them are delivered after spontaneous onset of labor...
November 8, 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/27830098/a-pregnancy-with-severe-hypertrophic-obstructive-cardiomyopathy-after-surgery-for-an-implantable-cardioverter-defibrillator-a-case-report-and-literature-review
#9
Takashi Mitsui, Hisashi Masuyama, Kentaro Ejiri, Kei Hayata, Hiroshi Ito, Yuji Hiramatsu
Hypertrophic obstructive cardiomyopathy (HOCM) is cardiac hypertrophy of ventricular myocardium with left ventricular outflow tract obstruction. We report a pregnancy with HOCM after defibrillator implantation surgery. The patient was a 33-year-old nulligravida and was categorized as New York Heart Association class II. Her brain natriuretic peptide (BNP) level was 724.6 pg/dL at preconception. She received careful pregnancy management. However, because frequent uterine contractions were observed at 25 weeks and 6 days of pregnancy, she was hospitalized, and magnesium sulfate was started as a tocolytic agent...
2016: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27819799/dehydration-of-bacteriophages-in-electrospun-nanofibers-effect-of-excipients-in-polymeric-solutions
#10
Charmaine K W Koo, Kris Senecal, Andre Senecal, Sam R Nugen
Bacteriophages are viruses capable of infecting and lysing target bacterial cells; as such they have potential applications in agriculture for decontamination of foods, food contact surfaces and food rinse water. Although bacteriophages can retain infectivity long-term using lyophilized storage, the process of freeze-drying can be time consuming and expensive. In this study, electrospinning was used for dehydrating bacteriophages in polyvinylpyrrolidone polymer solutions with addition of excipients (sodium chloride, magnesium sulfate, Tris-HCl, sucrose) in deionized water...
December 2, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27797880/ventricular-fibrillation-via-torsade-des-pointes-of-cardiac-sarcoidosis-with-preserved-left-ventricular-ejection-fraction
#11
Takayuki Sekihara, Eisaku Nakane, Kazutaka Nakasone, Moriaki Inoko
Generally, low left ventricular ejection fraction (LVEF) is a risk for ventricular arrhythmia in patients with cardiac sarcoidosis. We present a case of cardiac sarcoidosis with preserved LVEF that evoked ventricular fibrillation (VF). A 73-year-old woman with VF presented to our emergency department. She had a history of ocular sarcoidosis, with gradual thinning of the basal intraventricular septum. LVEF was 62% on the most recent echocardiography. The electrocardiogram after defibrillation showed complete atrioventricular block (CAVB) with QT segment prolongation and frequent ventricular premature beats...
October 25, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27796971/geochemical-behavior-of-an-acid-drainage-system-the-case-of-the-amarillo-river-famatina-la-rioja-argentina
#12
K L Lecomte, S N Maza, G Collo, A M Sarmiento, P J Depetris
The Amarillo River (Famatina range, Argentina, ~29° S and ~67° W) is unusual because acid mine drainage (AMD) is superimposed on the previously existing acid rock drainage (ARD) scenario, as a Holocene paleolake sedimentary sequence shows. In a markedly oxidizing environment, its water is currently ferrous and of the sulfate-magnesium type with high electrical conductivity (>10 mS cm(-1) in uppermost catchments). At the time of sampling, the interaction of the mineralized zone with the remnants of mining labors determined an increase in some elements (e...
October 28, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27788811/effects-of-intraoperative-magnesium-sulfate-administration-on-postoperative-tramadol-requirement-in-liver-transplantation-a-prospective-double-blind-study
#13
B Gucyetmez, H K Atalan, S Aslan, S Yazar, K Y Polat
BACKGROUND: Magnesium is an N-methyl-d-aspartate receptor blocker and is known to have analgesic effect. Hypomagnesemia can often be seen in liver transplantation and may be associated with higher morbidity and mortality. The objective of this study was to investigate the effects of intraoperative magnesium sulfate administration on postoperative tramadol requirement in liver transplant patients. METHODS: Liver transplant patients >18 years of age were screened prospectively from October 2014 to April 2015...
October 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27788744/-clinical-analysis-of-19-cases-of-pregnant-women-with-rapid-arrhythmia-in-the-treatment-of-radiofrequency-catheter-ablation
#14
L Chu, J Zhang, Y N Li, D Y Long
: Objective: To investigate the risk of radiofrequency catheter ablation and maternal and infant in pregnant women with rapid arrhythmia during pregnancy. Methods: The clinical data of the 19 cases of pregnancy complicated with rapid arrhythmia were retrospectively analyzed and followed up, including the gestational week, the type of arrhythmia, the treatment, and the outcome of the mother and child in Beijing Anzhen Hospital of Capital Medical University from January 2002 to March 2016...
October 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27784865/rapid-multi-residue-analysis-of-pesticides-in-pulses-by-lc-ms-ms
#15
Keiko Iwakoshi, Kenji Otsuka, Yasuhiro Tamura, Sanae Tomizawa, Tamako Masubuchi, Yumiko Yamaki, Yukiko Nakagawa, Ryoko Masuda, Shota Suto, Yoshie Kokaji, Tetsuya Shindo, Ichiro Takano
Rapid multi-residue analysis of pesticides in pulses was developed using LC-MS/MS. Pesticide residues in 5 g of homogenized pulses were extracted with 30 mL of acetonitrile and salted out with 4 g of anhydrous magnesium sulfate and 2 g of sodium chloride in the presence of citrate buffer in a disposable tube. The resulting residues were extracted with 30 mL of acetonitrile, and co-extractives were removed on a handmade four-layer column, consisting of a layer of Z-Sep/C18 (20 mg/50 mg) dry particles on top of a three-layer, custom-made (pre-packed) column (lower bed: 60 mg of PSA, middle bed: 30 mg of GC, and top bed: 60 mg of C18) packed in a 10 mm internal diameter polypropylene column (3 mL)...
2016: Shokuhin Eiseigaku Zasshi. Journal of the Food Hygienic Society of Japan
https://www.readbyqxmd.com/read/27769972/physical-compatibility-of-tedizolid-phosphate-with-selected-i-v-drugs-during-simulated-y-site-administration
#16
Islam Ghazi, Yukihiro Hamada, David P Nicolau
PURPOSE: The physical compatibility of commonly used agents that could be coadministered in the clinical setting with tedizolid phosphate during Y-site administration was evaluated. METHODS: Tedizolid phosphate vials were reconstituted to a final concentration of 0.8 mg/mL. All other drugs were prepared according to manufacturers' recommendations and diluted with 0.9% sodium chloride injection (where applicable) to the highest standard concentrations used clinically...
November 1, 2016: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/27769193/maternal-near-miss-and-quality-of-care-in-a-rural-rwandan-hospital
#17
Richard Kalisa, Stephen Rulisa, Thomas van den Akker, Jos van Roosmalen
BACKGROUND: The WHO Maternal Near Miss (MNM) approach was developed to evaluate and improve quality of obstetric care worldwide. This study aimed to study the incidence of MNM and quality of care at a district hospital in rural Rwanda by applying this approach. METHODS: A facility based, prospective cohort study conducted at a district hospital in rural Rwanda between June 2013 and December 2014. Subjects were followed from time of admission to discharge or death...
October 21, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27764015/progesterone-as-a-tocolytic-agent-for-preterm-labor-a-systematic-review
#18
Reshama Navathe, Vincenzo Berghella
PURPOSE OF REVIEW: Tocolytic agents have been used for over 60 years in the fight against preterm labor, which ultimately can lead to preterm birth. Currently, clinicians can choose from a variety of drug classes to achieve the primary goal of delaying delivery by 48 h, thereby allowing time for administration of corticosteroids for fetal lung maturity, and if appropriate, starting magnesium sulfate for fetal neuroprotection. However, there are currently no known therapies to maintain the tocolytic effect beyond those initial 48 h...
December 2016: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27756155/effect-of-tocolytic-drugs-on-fetal-heart-rate-variability-a-systematic-review
#19
Kim M J Verdurmen, Alexandra D J Hulsenboom, Judith O E H van Laar, S Guid Oei
INTRODUCTION: Tocolytics may cause changes in fetal heart rate (HR) pattern, while fetal heart rate variability (HRV) is an important marker of fetal well-being. We aim to systematically review the literature on how tocolytic drugs affect fetal HRV. MATERIALS AND METHODS: We searched CENTRAL, PubMed and EMBASE up to June 2016. Studies published in English, using computerized or visual analysis to describe the effect of tocolytics on HRV in human fetuses were included...
November 8, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27749796/intravenous-and-nebulized-magnesium-sulfate-for-treating-acute-asthma-in-children-a-systematic-review-and-meta-analysis
#20
Zhantao Su, Rui Li, Zhongtao Gai
OBJECTIVE: This study aimed to evaluate the efficacy of intravenous (IV) and nebulized magnesium sulfate in acute asthma in children. METHODS: The PubMed, Cochrane Library, and EMBASE databases were searched. Randomized controlled trials and quasi-randomized controlled trials of IV and nebulized magnesium sulfate in pediatric acute asthma were included. The outcomes subject to meta-analysis were pulmonary function, hospitalization, and further treatment. If statistical heterogeneity was significant, random-effects models were used for meta-analysis, otherwise, fixed-effects models were applied...
October 4, 2016: Pediatric Emergency Care
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