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https://www.readbyqxmd.com/read/28971026/intensive-care-unit-issues-in-eclampsia-and-hellp-syndrome
#1
REVIEW
Melissa Teresa Chu Lam, Elizabeth Dierking
Preeclampsia, eclampsia and HELLP syndrome are life-threatening hypertensive conditions and common causes of ICU admission among obstetric patients The diagnostic criteria of preeclampsia include: 1) systolic blood pressure (SBP) ≥140 mmHg or diastolic blood pressure (DBP) ≥90 mmHg on two occasions at least 4 hours apart and 2) proteinuria ≥300 mg/day in a woman with a gestational age of >20 weeks with previously normal blood pressures. Eclampsia is defined as a convulsive episode or altered level of consciousness occurring in the setting of preeclampsia, provided that there is no other cause of seizures...
July 2017: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/28965563/comparison-of-sodium-potassium-calcium-magnesium-zinc-copper-and-iron-concentrations-of-elements-in-24-h-urine-and-spot-urine-in-hypertensive-patients-with-healthy-renal-function
#2
Tianjing Zhang, Xiaoyu Chang, Wanlu Liu, Xiaoxia Li, Faxuan Wang, Liping Huang, Sha Liao, Xiuying Liu, Yuhong Zhang, Yi Zhao
Sodium, potassium, calcium, magnesium, zinc, copper and iron are associated with the sequela of hypertension. The most reliable method for testing those elements is by collecting 24-h urine samples. However, this is cumbersome and collection of spot urine is more convenient in some circumstance. The aim of this study was to compare the concentrations of different elements in 24-h urine and spot urine. METHODS: Data was collected from a sub-study of China Salt Substitute and Stroke Study...
December 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28947599/correction-to-plasma-magnesium-and-risk-of-ischemic-stroke-among-women
#3
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28890274/serum-magnesium-concentrations-and-all-cause-cardiovascular-and-cancer-mortality-among-u-s-adults-results-from-the-nhanes-i-epidemiologic-follow-up-study
#4
Xi Zhang, Jin Xia, Liana C Del Gobbo, Adela Hruby, Qi Dai, Yiqing Song
BACKGROUND: Few studies have examined the associations of serum magnesium (Mg) concentrations with total and cause-specific mortality in a nationally representative sample of US adults. We investigate the dose-response relationships of baseline serum Mg concentrations with risk of mortalities in a large, nationally representative sample of US adults. METHODS: We analyzed prospective data of 14,353 participants aged 25-74 years with measures of serum Mg concentrations at baseline (1971-1975) from the National Health and Nutrition Examination Survey I Epidemiologic Follow-up Study (NHEFS)...
August 30, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28877896/intake-of-potassium-and-magnesium-enriched-salt-improves-functional-outcome-after-stroke-a-randomized-multicenter-double-blind-controlled-trial
#5
Wen-Harn Pan, Ying-Ho Lai, Wen-Ting Yeh, Jiunn-Rong Chen, Jiann-Shing Jeng, Chyi-Huey Bai, Ruey-Tay Lin, Tsong-Hai Lee, Ku-Chou Chang, Huey-Juan Lin, Chin-Fu Hsiao, Chang-Ming Chern, Li-Ming Lien, Chung-Hsiang Liu, Wei-Hung Chen, Anna Chang
Background: Stroke is one of the leading causes of mortality and neurologic deficits. Management measures to improve neurologic outcomes are in great need. Our previous intervention trial in elderly subjects successfully used salt as a carrier for potassium, demonstrating a 41% reduction in cardiovascular mortality by switching to potassium-enriched salt. Dietary magnesium has been associated with lowered diabetes and/or stroke risk in humans and with neuroprotection in animals.Objective: Because a large proportion of Taiwanese individuals are in marginal deficiency states for potassium and for magnesium and salt is a good carrier for minerals, it is justifiable to study whether further enriching salt with magnesium at an amount near the Dietary Reference Intake (DRI) amount may provide additional benefit for stroke recovery...
September 6, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28843443/dietary-magnesium-intake-and-risk-of-incident-coronary-heart-disease-in-men-a-prospective-cohort-study
#6
Yoshihiro Kokubo, Isao Saito, Hiroyasu Iso, Kazumasa Yamagishi, Hiroshi Yatsuya, Junko Ishihara, Koutatsu Maruyama, Manami Inoue, Norie Sawada, Shoichiro Tsugane
BACKGROUND & AIMS: The associations between dietary magnesium intake and stroke and coronary heart disease (CHD) incidences are inconsistent and not established in Asian. We aimed to determine the association between dietary magnesium intake and the risk of stroke and CHD in a Japanese population. SUBJECTS/METHODS: We studied 85,293 Japanese subjects by questionnaire at baseline (age 45-74 years, without cardiovascular disease or cancer in 1995 and 1998 for Cohorts I and II, respectively)...
August 12, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28795448/metal-cation-controls-phosphate-release-in-the-myosin-atpase
#7
Jinghua Ge, Furong Huang, Yuri E Nesmelov
Myosin is an enzyme that utilizes ATP to produce a conformational change generating a force. The kinetics of the myosin reverse recovery stroke depends on the metal cation complexed with ATP. The reverse recovery stroke is slow for MgATP and fast for MnATP. The metal ion coordinates the γ phosphate of ATP in the myosin active site. It is accepted that the reverse recovery stroke is correlated with the phosphate release; therefore, magnesium "holds" phosphate tighter than manganese. Magnesium and manganese are similar ions in terms of their chemical properties and the shell complexation; hence, we propose to use these ions to study the mechanism of the phosphate release...
November 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28692217/-magnesium-in-daily-practice
#8
Dany Minetto, Jacques Serratrice, Jérôme Stirnemann
The magnesium is the 4th cation in the human body behind sodium, potassium and calcium. It is often referred to as the forgotten cation of modern medicine because of a lack of knowledge about its physiology and its potential medical use. Recent medical literature has shown renewed interest for the magnesium with publications about its role in diversified fields from prevention of muscular cramps, cardiovascular risk factors prevention trough to neuroprotection in stroke. However, we cannot recommend the use of magnesium in adults in our clinical practice, beyond the simple correction of hypomagnesemia, pre-eclampsia and possibly the treatment of torsades de pointes...
October 19, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28595791/association-between-trace-elements-in-the-environment-and-stroke-risk-the-reasons-for-geographic-and-racial-differences-in-stroke-regards-study
#9
Peter D Merrill, Steve B Ampah, Ka He, Nicole J Rembert, John Brockman, Dawn Kleindorfer, Leslie A McClure
The disparities in stroke mortality between blacks and whites, as well as the increased stroke mortality in the "stroke belt" have long been noted. The reasons for these disparities have yet to be fully explained. The association between trace element status and cardiovascular diseases, including stroke, has been suggested as a possible contributor to the disparities in stroke mortality but has not been fully explored. The purpose of this study is to investigate distributions of four trace elements (arsenic, mercury, magnesium, and selenium) in the environment in relation to stroke risk...
July 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28583999/paramedic-initiation-of-neuroprotective-agent-infusions-successful-achievement-of-target-blood-levels-and-attained-level-effect-on-clinical-outcomes-in-the-fast-mag-pivotal-trial-field-administration-of-stroke-therapy-magnesium
#10
RANDOMIZED CONTROLLED TRIAL
Kristina Shkirkova, Sidney Starkman, Nerses Sanossian, Marc Eckstein, Samuel Stratton, Frank Pratt, Robin Conwit, Scott Hamilton, Latisha Sharma, David Liebeskind, Lucas Restrepo, Miguel Valdes-Sueiras, Jeffrey L Saver
BACKGROUND AND PURPOSE: Paramedic use of fixed-size lumen, gravity-controlled tubing to initiate intravenous infusions in the field may allow rapid start of neuroprotective therapy for acute stroke. In a large, multicenter trial, we evaluated its efficacy in attaining target serum levels of candidate neuroprotective agent magnesium sulfate and the relation of achieved magnesium levels to outcome. METHODS: The FAST-MAG phase 3 trial (Field Administration of Stroke Therapy - Magnesium) randomized 1700 patients within 2 hours of onset to paramedic-initiated, a 15-minute loading intravenous infusion of magnesium or placebo followed by a 24-hour maintenance dose...
July 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28419989/admission-low-magnesium-level-is-associated-with-in-hospital-mortality-in-acute-ischemic-stroke-patients
#11
Shoujiang You, Chongke Zhong, Huaping Du, Yu Zhang, Danni Zheng, Xia Wang, Chenhong Qiu, Hongru Zhao, Yongjun Cao, Chun-Feng Liu
BACKGROUND: Low magnesium levels are associated with an elevated risk of stroke. In this study, we investigated the association between magnesium levels on hospital admission and in-hospital mortality in acute ischemic stroke (AIS) patients. METHODS: A total of 2,485 AIS patients, enrolled from December 2013 to May 2014 across 22 hospitals in Suzhou city, were included in this study. The patients were divided into 4 groups according to their level of admission magnesium: Q1 (<0...
2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28417148/relationship-between-nutritional-factors-and-hip-bone-density-in-individuals-with-chronic-stroke
#12
Samuel K Y Li, Mabel M P Wan, Frankie P L Siu, Susan Chung, Marco Y C Pang
The aim of this study was to investigate the relationship between dietary habits and hip bone health in community-dwelling individuals with chronic stroke. The usual dietary intake of 94 individuals with chronic stroke (30 women, mean age: 59.0 years) was assessed by a 3-day food record within a single week. Dual-energy X-ray absorptiometry was used to measure bone mineral density (BMD) at both hips. The results showed that low hip bone mass was found in 59 and 50 of the participants on the affected and unaffected side, respectively...
April 17, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28389617/a-dedicated-spanish-language-line-increases-enrollment-of-hispanics-into-prehospital-clinical-research
#13
Nerses Sanossian, Lauren Rosenberg, David S Liebeskind, Sidney Starkman, Marc Eckstein, Samuel Stratton, Franklin D Pratt, Scott Hamilton, May Kim-Tenser, Latisha K Sharma, Lucas Restrepo, Miguel Valdes-Suieras, Robin Conwit, Jeffrey L Saver
BACKGROUND AND PURPOSE: Novel methods are needed to reduce the disparity of Hispanic enrollment in stroke clinical trials. Prehospital enrollment using a dedicated Spanish language line may help overcome this bias. METHODS: Subjects or legally authorized representatives provided information on race and ethnicity for all cases enrolled in the FAST-MAG clinical trial (Field Administration of Stroke Therapy-Magnesium), a prehospital phase 3 randomized study of intravenous magnesium for neuroprotection...
May 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28366066/neuroprotective-strategies-and-the-underlying-molecular-basis-of-cerebrovascular-stroke
#14
REVIEW
Michael Karsy, Andrea Brock, Jian Guan, Phillip Taussky, M Yashar S Kalani, Min S Park
Stroke is a leading cause of disability in the US. Although there has been significant progress in the area of medical and surgical thrombolytic technologies, neuroprotective agents to prevent secondary cerebral injury and to minimize disability remain limited. Only limited success has been reported in preclinical and clinical trials evaluating a variety of compounds. In this review, the authors discuss the most up-to-date information regarding the underlying molecular biology of stroke as well as strategies that aim to mitigate this complex signaling cascade...
April 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28138888/the-geographic-distribution-of-trace-elements-in-the-environment-the-regards-study
#15
Nicole Rembert, Ka He, Suzanne E Judd, Leslie A McClure
Research on trace elements and the effects of their ingestion on human health is often seen in scientific literature. However, little research has been done on the distribution of trace elements in the environment and their impact on health. This paper examines what characteristics among participants in the Reasons for Geographic and Racial Differences in Stroke (REGARDS) study are associated with levels of environmental exposure to arsenic, magnesium, mercury, and selenium. Demographic information from REGARDS participants was combined with trace element concentration data from the US Geochemical Survey (USGS)...
February 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28122702/major-publications-in-the-critical-care-pharmacotherapy-literature-in-2015
#16
Adrian Wong, Michael Erdman, Drayton A Hammond, Tara Holt, Jenna M Holzhausen, Michelle Horng, Lori Lynn Huang, Jennifer Jarvis, Bridgette Kram, Shawn Kram, Christine Lesch, Jessica Mercer, Megan A Rech, Ryan Rivosecchi, Brian Stump, Colleen Teevan, Sarah Day
PURPOSE: Recently published practice guidelines and research reports on pharmacotherapy in critical care patient populations are summarized. SUMMARY: The Critical Care Pharmacotherapy Literature Update (CCPLU) Group is composed of over 50 experienced critical care pharmacists who evaluate 31 peer-reviewed journals monthly to identify literature pertaining to pharmacotherapy in critical care populations. Articles are chosen for summarization in a monthly CCPLU Group publication on the basis of applicability and relevance to clinical practice and strength of study design...
March 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28087807/field-validation-of-the-los-angeles-motor-scale-as-a-tool-for-paramedic-assessment-of-stroke-severity
#17
RANDOMIZED CONTROLLED TRIAL
Joon-Tae Kim, Pil-Wook Chung, Sidney Starkman, Nerses Sanossian, Samuel J Stratton, Marc Eckstein, Frank D Pratt, Robin Conwit, David S Liebeskind, Latisha Sharma, Lucas Restrepo, May-Kim Tenser, Miguel Valdes-Sueiras, Jeffrey Gornbein, Scott Hamilton, Jeffrey L Saver
BACKGROUND AND PURPOSE: The Los Angeles Motor Scale (LAMS) is a 3-item, 0- to 10-point motor stroke-deficit scale developed for prehospital use. We assessed the convergent, divergent, and predictive validity of the LAMS when performed by paramedics in the field at multiple sites in a large and diverse geographic region. METHODS: We analyzed early assessment and outcome data prospectively gathered in the FAST-MAG trial (Field Administration of Stroke Therapy-Magnesium phase 3) among patients with acute cerebrovascular disease (cerebral ischemia and intracranial hemorrhage) within 2 hours of onset, transported by 315 ambulances to 60 receiving hospitals...
February 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28053818/association-between-serum-magnesium-levels-and-depression-in-stroke-patients
#18
Yingying Gu, Kai Zhao, Xiaoqian Luan, Zhihua Liu, Yan Cai, Qiongzhang Wang, Beilei Zhu, Jincai He
Post-stroke depression (PSD) is a common psychiatric complication of stroke that is associated with a poor outcome in stroke patients. Our aim was to assess the association between the serum magnesium levels and the presence of PSD in Chinese patients. Two hundred nine stroke patients were included in the study. Depressive symptoms were measured by the 17-Hamilton Rating Scale for Depression at 3 months after stroke. Based on the depressive symptoms, diagnoses of depression were made in line with the DSM-IV criteria for PSD...
December 2016: Aging and Disease
https://www.readbyqxmd.com/read/27934233/modeling-membrane-protein-ligand-binding-interactions-the-human-purinergic-platelet-receptor
#19
D'Artagnan Greene, Wesley M Botello-Smith, Alec Follmer, Li Xiao, Eleftherios Lambros, Ray Luo
Membrane proteins, due to their roles as cell receptors and signaling mediators, make prime candidates for drug targets. The computational analysis of protein-ligand binding affinities has been widely employed as a tool in rational drug design efforts. Although efficient implicit solvent-based methods for modeling globular protein-ligand binding have been around for many years, the extension of such methods to membrane protein-ligand binding is still in its infancy. In this study, we extended the widely used Amber/MMPBSA method to model membrane protein-ligand systems, and we used it to analyze protein-ligand binding for the human purinergic platelet receptor (P2Y12R), a prominent drug target in the inhibition of platelet aggregation for the prevention of myocardial infarction and stroke...
December 8, 2016: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/27927203/dietary-magnesium-intake-and-the-risk-of-cardiovascular-disease-type-2-diabetes-and-all-cause-mortality-a-dose-response-meta-analysis-of-prospective-cohort-studies
#20
Xuexian Fang, Kai Wang, Dan Han, Xuyan He, Jiayu Wei, Lu Zhao, Mustapha Umar Imam, Zhiguang Ping, Yusheng Li, Yuming Xu, Junxia Min, Fudi Wang
BACKGROUND: Although studies have examined the association between dietary magnesium intake and health outcome, the results are inconclusive. Here, we conducted a dose-response meta-analysis of prospective cohort studies in order to investigate the correlation between magnesium intake and the risk of cardiovascular disease (CVD), type 2 diabetes (T2D), and all-cause mortality. METHODS: PubMed, EMBASE, and Web of Science were searched for articles that contained risk estimates for the outcomes of interest and were published through May 31, 2016...
December 8, 2016: BMC Medicine
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