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https://www.readbyqxmd.com/read/29738504/changes-of-blood-pressure-and-hemodynamic-parameters-after-oral-magnesium-supplementation-in-patients-with-essential-hypertension-an-intervention-study
#1
Nikolina Banjanin, Goran Belojevic
The objective of this study was to examine the changes of blood pressure and hemodynamic parameters after oral magnesium supplementation in patients with essential hypertension. The single-arm non-blinded intervention study comprised 48 patients (19 men; 29 women) whose antihypertensive therapy was not changed for at least one month. The participants were asked to consume (daily at home) 300 mg of oral magnesium-oxide supplementation product for one month and to have their blood pressure and hemodynamic parameters (thoracic fluid content, stroke volume, stroke index, cardiac output, cardiac index, acceleration index, left cardiac work index and systemic vascular resistance index, heart rate) measured in the hospital before and after the intervention...
May 8, 2018: Nutrients
https://www.readbyqxmd.com/read/29630129/a-meta-analysis-of-pharmacological-neuroprotection-in-noncardiac-surgery-focus-on-statins-lidocaine-ketamine-and-magnesium-sulfate
#2
Z-W Zeng, Y-N Zhang, W-X Lin, W-Q Zhang, R Luo
OBJECTIVE: Non-cardiac surgery is associated with perioperative cerebral complications (delirium, postoperative cognition dysfunction, stroke). While rare, these complications can lead to disabilities and deaths. Information is ambiguous as to whether pharmacological preoperative treatment exerts neuroprotection. We wished to systematically assess potential modulation by statins, lidocaine, ketamine or magnesium sulfate of the relative risk of cerebral complications in noncardiac surgery...
March 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29408814/magnesium-as-a-neuroprotective-agent-a-review-of-its-use-in-the-fetus-term-infant-with-neonatal-encephalopathy-and-the-adult-stroke-patient
#3
Ingran Lingam, Nicola J Robertson
Magnesium is an intracellular cation essential for many en-zymatic processes and cellular functions. Magnesium sulfate acts as an endogenous calcium channel antagonist at neuronal synapses, thought to prevent excessive activation of N-methyl-D-aspartate receptors by excitatory amino acids, such as glutamate, and by downregulation of proinflammatory pathways. Early intervention is essential in the prevention of the secondary phase of neuronal injury. The immature brain is particularly prone to excitotoxicity, and inflammation has been strongly implicated in the pathogenesis of cerebral palsy...
2018: Developmental Neuroscience
https://www.readbyqxmd.com/read/29389872/dietary-magnesium-and-cardiovascular-disease-a-review-with-emphasis-in-epidemiological-studies
#4
REVIEW
Nuria Rosique-Esteban, Marta Guasch-Ferré, Pablo Hernández-Alonso, Jordi Salas-Salvadó
Magnesium (Mg) is an essential dietary element for humans involved in key biological processes. A growing body of evidence from epidemiological studies, randomized controlled trials (RCTs) and meta-analyses have indicated inverse associations between Mg intake and cardiovascular diseases (CVD). The present review aims to summarize recent scientific evidence on the topic, with a focus on data from epidemiological studies assessing the associations between Mg intake and major cardiovascular (CV) risk factors and CVD...
February 1, 2018: Nutrients
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
#5
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/29301973/association-between-hyperacute-stage-blood-pressure-variability-and-outcome-in-patients-with-spontaneous-intracerebral-hemorrhage
#6
Pil-Wook Chung, Joon-Tae Kim, Nerses Sanossian, Sidney Starkmann, Scott Hamilton, Jeffrey Gornbein, Robin Conwit, Marc Eckstein, Frank Pratt, Sam Stratton, David S Liebeskind, Jeffrey L Saver
BACKGROUND AND PURPOSE: Increased blood pressure (BP) variability, in addition to high BP, may contribute to adverse outcome in intracerebral hemorrhage. However, degree and association with outcome of BP variability (BPV) in the hyperacute period, 15 minutes to 5 hours after onset, have not been delineated. METHODS: Among consecutive patients with intracerebral hemorrhage enrolled in the FAST-MAG trial (Field Administration of Stroke Therapy-Magnesium), BPs were recorded by paramedics in the field and during the first 24 hours of hospital course...
February 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29181841/epidural-therapy-for-the-treatment-of-severe-pre-eclampsia-in-non-labouring-women
#7
REVIEW
Amita Ray, Sujoy Ray
BACKGROUND: Pre-eclampsia is a pregnancy-specific multi-organ disorder, which is characterised by hypertension and multisystem organ involvement and which has significant maternal and fetal morbidity and mortality. Failure of the placental vascular remodelling and reduced uteroplacental flow form the etiopathological basis of pre-eclampsia. There are several established therapies for pre-eclampsia including antihypertensives and anticonvulsants. Most of these therapies aim at controlling the blood pressure or preventing complications of elevated blood pressure, or both...
November 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29175171/early-warning-system-hypertension-thresholds-to-predict-adverse-outcomes-in-pre-eclampsia-a-prospective-cohort-study
#8
Hannah L Nathan, Paul T Seed, Natasha L Hezelgrave, Annemarie De Greeff, Elodie Lawley, John Anthony, David R Hall, Wilhelm Steyn, Lucy C Chappell, Andrew H Shennan
OBJECTIVES: To evaluate the association between blood pressure (BP) measurements and adverse outcomes in women with pre-eclampsia. STUDY DESIGN: A prospective cohort study of women with pre-eclampsia admitted to three South African tertiary facilities. BP was measured using the CRADLE Vital Signs Alert (VSA), incorporated with a traffic light early warning system; green: systolic BP <140 mmHg and diastolic BP <90 mmHg, yellow: systolic BP 140-159 and/or diastolic BP 90-109 mmHg (but neither is above the upper threshold), red: systolic BP ≥160 mmHg and/or diastolic BP ≥110 mmHg...
November 21, 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/28971026/intensive-care-unit-issues-in-eclampsia-and-hellp-syndrome
#9
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
#10
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
#11
(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
#12
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
#13
RANDOMIZED CONTROLLED TRIAL
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...
November 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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
MULTICENTER STUDY
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
#20
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
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