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magnesium sulphate

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https://www.readbyqxmd.com/read/29774532/the-fetus-at-the-tipping-point-modifying-the-outcome-of-fetal-asphyxia
#1
Simerdeep K Dhillon, Christopher A Lear, Robert Galinsky, Guido Wassink, Joanne O Davidson, Sandra Juul, Nicola J Robertson, Alistair J Gunn, Laura Bennet
Brain injury around birth is associated with nearly half of all cases of cerebral palsy. Although brain injury is multifactorial, particularly after preterm birth, acute hypoxia-ischaemia is a major contributor to injury. It is now well established that the severity of injury after HI is determined by a dynamic balance between injurious and protective processes. In addition, mothers who are at risk of premature delivery have high rates of diabetes and antepartum infection/inflammation and are almost universally given treatments such as antenatal glucocorticoids and magnesium sulphate to reduce the risk of death and complications after preterm birth...
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29744924/developing-and-applying-control-charts-to-detect-change-water-chemistry-parameters-measured-in-the-athabasca-river-near-the-oil-sands-a-tool-for-surveillance-monitoring
#2
Tim J Arciszewski, Rod R Hazewinkel, Kelly R Munkittrick, Bruce W Kilgour
Control charting is a simple technique to identify change and is well-suited for use in water quality programs. Control charts accounting for co-variation associated with discharge and time were used to explore example and representative variables routinely measured in the Athabasca River near the oil sands area for indications of change, including 5 major ions (chloride, sodium, sulphate, calcium, magnesium), 5 total metals (aluminum, iron, thallium, molybdenum, vanadium) and total suspended solids (TSS). Regression equations developed from reference data (1988-2009) were used to predict observations and calculate residuals from later test observations (2010-2016)...
May 10, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29716747/mechanisms-of-the-effect-of-magnesium-salts-in-preeclampsia
#3
Delia I Chiarello, Reinaldo Marín, Fulgencio Proverbio, Paula Coronado, Fernando Toledo, Rocio Salsoso, Jaime Gutiérrez, Luis Sobrevia
Preeclampsia is a heterogeneous pregnancy-specific syndrome associated with abnormal trophoblast invasion and endothelial dysfunction. Magnesium (Mg2+ ) level may be normal or decreased in women with preeclampsia. However, the use of Mg2+ salts, such as Mg2+ sulphate, are useful in reducing the pathophysiological consequences of preeclampsia with severe features and eclampsia. Although the mechanism of action of this Mg2+ salt is not well understood, the available evidence suggests a beneficial effect of Mg2+ for the mother and foetus...
April 24, 2018: Placenta
https://www.readbyqxmd.com/read/29665438/enhancement-of-anti-tubercular-activity-and-biomass-of-fermented-food-associated-staphylococcus-hominis-strain-manf2-using-taguchi-orthogonal-array-and-box-behnken-design
#4
Ameer Khusro, Chirom Aarti, Azger Dusthackeer, Paul Agastian
The prime focus of the present investigation was to optimize statistically the anti-tubercular activity and biomass of fermented food associated Staphylococcus hominis strain MANF2 using Taguchi orthogonal array (OA) and Box-Behnken design (BBD). The anti-tubercular activity of strain MANF2 was determined against Mycobacterium tuberculosis H37Rv using luciferase reporter phase assay. Among varied media examined, the isolate exhibited impressive anti-tubercular activity with paramount relative light unit reduction of >90% in de Man Rogose Sharpe (MRS) broth...
April 14, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29604157/the-response-of-soil-solution-chemistry-in-european-forests-to-decreasing-acid-deposition
#5
James Johnson, Elisabeth Graf Pannatier, Stefano Carnicelli, Guia Cecchini, Nicholas Clarke, Nathalie Cools, Karin Hansen, Henning Meesenburg, Tiina M Nieminen, Gunilla Pihl Karlsson, Hugues Titeux, Elena Vanguelova, Arne Verstraeten, Lars Vesterdal, Peter Waldner, Mathieu Jonard
Acid deposition arising from sulphur (S) and nitrogen (N) emissions from fossil fuel combustion and agriculture has contributed to the acidification of terrestrial ecosystems in many regions globally. However, in Europe and North America, S deposition has greatly decreased in recent decades due to emissions controls. In this study we assessed the response of soil solution chemistry in mineral horizons of European forests to these changes. Trends in pH, acid neutralising capacity (ANC), major ions, total aluminium (Altot ), and dissolved organic carbon (DOC) were determined for the period 1995-2012...
March 31, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29572829/time-and-sex-dependent-effects-of-magnesium-sulphate-on-post-asphyxial-seizures-in-preterm-fetal-sheep
#6
Laura Bennet, Robert Galinsky, Vittoria Draghi, Christopher A Lear, Joanne O Davidson, Charles P Unsworth, Alistair J Gunn
KEY POINTS: We evaluated the effect of magnesium sulphate (MgSO4 ) on seizures induced by asphyxia in preterm fetal sheep. MgSO4 did not prevent seizures, but significantly reduced the total duration, number of seizures, seizure amplitude and average seizure burden. Saline-asphyxia male fetuses had significantly more seizures than female fetuses, but male fetuses showed significantly greater reduction in seizures during MgSO4 infusion than female fetuses. A circadian profile of seizure activity was observed in all fetuses, with peak seizures seen around 04...
March 23, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29523265/criteria-based-audit-in-the-management-of-eclampsia-at-a-public-sector-tertiary-care-hospital-in-karachi-pakistan
#7
Paras Ali, Sofia Butt, Nazli Hossain
OBJECTIVE: To evaluate the practice of Eclampsia management at a tertiary care public sector hospital. PATIENTS & METHODS: We conducted criteria based audit of 93 Eclampsia patients admitted in Gynae unit III, Civil hospital and Dow University of Health Sciences Karachi, between 1st January 2016 and 31st December 2016. Management practices were assessed using evidence-based criteria for care. A clinical criteria for standards of care were developed from Royal College of Obstetrician & Gynecologist (RCOG/NICE) guidelines, World Health Organization (WHO) manual, twelve criteria were identified for the audit purpose...
January 2018: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29518295/-intrarticular-infiltration-of-bupivacaine-and-magnesium-sulfate-in-distal-radius-fractures-a-pilot-study
#8
C Acosta-Olivo, Y Tamez-Mata, J Murillo-Rodríguez, V Peña-Martínez, J Villa-Chavarría
BACKGROUND: The distal radius fracture represent until 15% of all bone injuries in adults. The key in the recovery of mobility and functional outcomes are rehabilitation. The intra-articular application of magnesium sulphate has been used for postoperative pain. The objective was to determinate the improvement in pain and functional outcome of patients with distal radius fracture using intra-articular magnesium sulphate. MATERIAL AND METHODS: Patients with distal radius fracture treated with percutaneous pinning and cast immobilization was included and randomized into two groups...
September 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/29468765/outcomes-of-paediatric-critical-care-asthma-patients
#9
Neeta Rampersad, Barry Wilkins, Jonathan R Egan
AIM: The aim of this study was to characterise patients with asthma admitted to an Australian paediatric intensive care unit (PICU). METHODS: This was a retrospective review of patients with asthma admitted to a university-affiliated, 23-bed, tertiary PICU between January 2000 and December 2011, with a subset of pharmacotherapy and biochemical data from patients admitted between July 2007 and December 2011. RESULTS: A total of 589 admissions (501 patients) with asthma over 12 years constituted 4...
February 22, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29460323/clinical-guidelines-for-prevention-and-management-of-preterm-birth-a-systematic-review
#10
REVIEW
N Medley, B Poljak, S Mammarella, Z Alfirevic
BACKGROUND: Clinical practice guidelines (CPG) endorse multiple strategies to prevent or manage preterm birth (PTB). OBJECTIVES: To summarise CPG recommendations for PTB and identify areas of international consensus. SEARCH STRATEGY: In May 2017 we searched for all CPG relevant to PTB without language restrictions. SELECTION CRITERIA: CPG were eligible if the following criteria were met: (1) the guideline was published or current from June 2013; (2) the guideline recommended practices for the prevention or management of PTB relevant to our prespecified clinical questions for screening, medications or surgery and other interventions; (3) publications on methods of guideline development for eligible CPG were included to enable quality assessment...
February 20, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29421836/drugs-in-pregnancy-and-lactation-medications-used-in-swiss-obstetrics
#11
Larissa Schenkel, Ana Paula Simões-Wüst, Irene Hösli, Ursula von Mandach
BACKGROUND: In order to improve the safety for drugs in pregnancy and lactation, data on the clinical practice must be collected and validated. METHODS: Data on the medications routinely used were requested from the university hospitals for obstetrics and the non-university perinatal centres in Switzerland and recommendations and guidelines of scientific societies for the various fields of application were sought. RESULTS: Part I: For during pregnancy and the peripartal period respectively, 69 and 21 different active constituents of medications were identified from at least 4 centres...
February 8, 2018: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/29408744/the-use-of-antenatal-fetal-magnetic-resonance-imaging-in-the-assessment-of-patients-at-high-risk-of-preterm-birth
#12
REVIEW
L Story, J Hutter, T Zhang, A H Shennan, M Rutherford
Preterm birth, defined as birth occurring prior to 37 weeks gestation is a common obstetric complication affecting 8% of pregnancies and is associated with significant morbidity and mortality. Infection/inflammation has been implicated in both the aetiology of preterm birth itself and associated neonatal pulmonary and neurological morbidity. Treatment options are currently limited to prolongation of the pregnancy using cervical cerclage, pessaries or progesterone or administration of drugs including steroids to promote lung maturity and neuroprotective agents such as magnesium sulphate, the timing of which are highly critical...
March 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29376972/-the-peculiar-hydrogeochemical-features-of-the-hydrosphere-in-the-regions-of-salt-dome-tectonics-as-exemplified-by-the-giant-salt-domes-of-the-peri-caspian-lowland-megabasin
#13
N G Myazina
The Peri-Caspian Lowland megabasin is a vast region of ancient salt accumulation that occurred during the Permian period. The territory over which the salt domes were formed gave rise to and accumulated huge resources of subterranean brackish and salted waters within the hypergenesis zone that also included brine and mineral mud lakes containing chemical elements of great therapeutic value. Nowadays, the subterranean waters (leaches, pools, and springs) provide the sources of the mineral-rich materials of balneological significance, such as sulfide, bromine, and boron-containing mineral waters the ion and mineral composition of which together with the high degree of mineralization makes them highly valuable for medicinal applications...
December 5, 2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29355709/magnesium-sulphate-induces-preconditioning-in-preterm-rodent-models-of-cerebral-hypoxia-ischemia
#14
Gabriella Koning, Ellinor Lyngfelt, Pernilla Svedin, Anna-Lena Leverin, Masako Jinnai, Pierre Gressens, Claire Thornton, Xiaoyang Wang, Carina Mallard, Henrik Hagberg
BACKGROUND: Brain injury in preterm infants represents a substantial clinical problem associated with development of motor impairment, cognitive deficits and psychiatric problems. According to clinical studies, magnesium sulphate (MgSO4 ) given to women in preterm labor reduces the risk of cerebral palsy in the offspring but the mechanisms behind its neuroprotective effects are still unclear. Our aim was to explore whether MgSO4 induces tolerance (preconditioning) in the preterm rodent brain...
February 2, 2018: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29325592/magnesium-sulphate-for-fetal-neuroprotection-to-prevent-cerebral-palsy-mag-cp-implementation-of-a-national-guideline-in-canada
#15
Dane A De Silva, Anne R Synnes, Peter von Dadelszen, Tang Lee, Jeffrey N Bone, Laura A Magee
BACKGROUND: Evidence supports magnesium sulphate (MgSO4) for women at risk of imminent birth at < 32-34 weeks to reduce the likelihood of cerebral palsy in the child. MAGnesium sulphate for fetal neuroprotection to prevent Cerebral Palsy (MAG-CP) was a multifaceted knowledge translation (KT) strategy for this practice. METHODS: The KT strategy included national clinical practice guidelines, a national online e-learning module and, at MAG-CP sites, educational rounds, focus group discussions and surveys of barriers and facilitators...
January 11, 2018: Implementation Science: IS
https://www.readbyqxmd.com/read/29304463/management-of-qt-prolongation-induced-by-anti-cancer-drugs-target-therapy-and-old-agents-different-algorithms-for-different-drugs
#16
REVIEW
Carmela Coppola, Anna Rienzo, Giovanna Piscopo, Antonio Barbieri, Claudio Arra, Nicola Maurea
The side effects of anticancer drugs still play a critical role in survival and quality of life. Although the recent progresses of cancer therapies have significantly improved the prognosis of oncologic patients, side effects of antineoplastic treatments are still responsible for the increased mortality of cancer survivors. Cardiovascular toxicity is the most dangerous adverse effect induced by anticancer therapies. A survey conducted by the National Health and Nutrition Examination, showed that 1807 cancer survivors followed up for seven years: 51% died of cancer and 33% of heart disease (Vejpongsa and Yeh, 2014)...
February 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29272998/risk-factors-and-outcome-of-patients-with-eclampsia-at-a-tertiary-hospital-in-egypt
#17
Ahmad Mahran, Hashem Fares, Reham Elkhateeb, Mahmoud Ibrahim, Haitham Bahaa, Ahmad Sanad, Alaa Gamal, Mohamed Zeeneldin, Eissa Khalifa, Ahmed Abdelghany
BACKGROUND: Eclampsia is a major cause of maternal and neonatal morbidity and mortality in low and middle income countries. The aim of this study was to assess the risk factors and maternal and perinatal outcome in patients with eclampsia in order to get reliable data that helps in reducing the incidence and improving the outcome in an area with high incidence of eclampsia. METHODS: Retrospective study including 250 patients diagnosed with eclampsia at Minia Maternity University Hopsital, Minia, Egypt in the period between January 2013 and December 2014...
December 22, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29229321/the-role-of-aspirin-heparin-and-other-interventions-in-the-prevention-and-treatment-of-fetal-growth-restriction
#18
REVIEW
Katie M Groom, Anna L David
Fetal growth restriction and related placental pathologies such as preeclampsia, stillbirth, and placental abruption are believed to arise in early pregnancy when inadequate remodeling of the maternal spiral arteries leads to persistent high-resistance and low-flow uteroplacental circulation. The consequent placental ischaemia, reperfusion injury, and oxidative stress are associated with an imbalance in angiogenic/antiangiogenic factors. Many interventions have centered on the prevention and/or treatment of preeclampsia with results pertaining to fetal growth restriction and small-for-gestational-age pregnancy often included as secondary outcomes because of the common pathophysiology...
February 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29206066/magnesium-induces-preconditioning-of-the-neonatal-brain-via-profound-mitochondrial-protection
#19
Gabriella Koning, Anna-Lena Leverin, Syam Nair, Leslie Schwendimann, Joakim Ek, Ylva Carlsson, Pierre Gressens, Claire Thornton, Xiaoyang Wang, Carina Mallard, Henrik Hagberg
Magnesium sulphate (MgSO4 ) given to women in preterm labor reduces cerebral palsy in their offspring but the mechanism behind this protection is unclear, limiting its effective, safe clinical implementation. Previous studies suggest that MgSO4 is not neuroprotective if administered during or after the insult, so we hypothesised that MgSO4 induces preconditioning in the immature brain. Therefore, we administered MgSO4 at various time-points before/after unilateral hypoxia-ischemia (HI) in seven-day-old rats...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29190480/treatment-of-a-highly-concentrated-sulphate-rich-synthetic-wastewater-using-calcium-hydroxide-in-a-fluidised-bed-crystallizer
#20
Chiara Maharaj, Jemitias Chivavava, Alison Lewis
This study aimed to investigate factors that affect the conversion of sulphates and magnesium, and the recovery of gypsum and magnesium hydroxide in the neutralization of a sulphate rich stream using calcium hydroxide, in a laboratory scale seeded fluidised bed crystallizer. Particular focus was on reducing the precipitated fines that escaped with the treated water, through the use of seeds, while removing as much sulphate-compounds from the waste stream as possible. The composition of the total sulphate salts was as follows: 80% magnesium sulphate, calcium sulphate remaining at its saturation concentration (1...
February 1, 2018: Journal of Environmental Management
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