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Condition: Stroke
Nutrition: Potassium

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Total 376 results found since Jan 2013.

The Cardiovascular Effects of a Meal: J-Tpeak and Tpeak -Tend Assessment and Further Insights Into the Physiological Effects.
Abstract Meal intake leads to a significant and prolonged increase in cardiac output to supply the splanchnic vasculature. A meal is associated with sympathetic activation of the cardiovascular system, and food ingestion is correlated with an increase in heart rate, an increase in cardiac stroke volume, and QTc interval shortening for up to 7 hours. Given the complexity of the system, one or several of many mechanisms could explain this observation. The shortening of the QTc interval was correlated with a rise of C-peptide following food ingestion, but the mechanisms by which C-peptide may be involved in the modul...
Source: The Journal of Clinical Pharmacology - January 11, 2019 Category: Drugs & Pharmacology Authors: Täubel J, Ferber G, Van Langenhoven L, Del Bianco T, Fernandes S, Djumanov D, Kanters JK, Graff C, Camm AJ Tags: J Clin Pharmacol Source Type: research

Cardiovascular risk in primary aldosteronism: A systematic review and meta-analysis
This study aimed to evaluate whether the increased cardiovascular risk and the incidence of cerebrovascular (CCV) events in hypertensive patients were related to primary aldosteronism (PA). Methods: The PubMed, EmBase, and the Cochrane Central Register of Controlled Trials were searched to evaluate the risk of CCV in PA patients and compared to essential hypertension (EH) patients. The mean differences (MD) and the risk ratios (RR) were calculated to assess the risk of main outcomes, such as stroke, coronary artery disease, left ventricular hypertrophy (LVH), levels of systolic blood pressure (SBP), diastolic blood pres...
Source: Medicine - June 1, 2019 Category: Internal Medicine Tags: Research Article: Systematic Review and Meta-Analysis Source Type: research

Registration of amiloride in South Africa: Cutting the Gordian knot.
Authors: Rayner BL, Spence JD, Bryer A, Mpe MT Abstract Amiloride is an antagonist of the renal tubular epithelial sodium channel (ENaC). As such, it is a diuretic that is both potassium and magnesium sparing. It is used for the treatment of potassium depletion and hypertension, and is the specific therapy for hypertension due to overactivity of the ENaC (Liddle syndrome and several additional genetic causes of the Liddle phenotype - low renin and low aldosterone). It is listed as a World Health Organization essential drug, but has never been registered in South Africa (SA) and can therefore only be prescribed unde...
Source: South African Medical Journal - October 24, 2019 Category: African Health Tags: S Afr Med J Source Type: research

Changes in electrolyte concentrations alter the impedance during ischemia-reperfusion injury in rat brain
In this study, changes in the bio-impedance spectroscopy using a two-electrode method with varying frequencies from 100 to 35  kHz have been assessed in a model of global cerebral ischemia in anesthetized rats during normal, occlusion and reperfusion conditions. Global cerebral ischemia was induced by bilateral common carotid artery occlusion for 40  min following 40 min of reperfusion. The concentration of sodium, potassium, calcium and chloride ions in the whole rat brain was determined by electrolyte analyzer. For the interpretation of in vivo results, changes in electrical impedance with varying concentrati...
Source: Physiological Measurement - October 29, 2019 Category: Physiology Authors: Gaurav Kumar, Uvanesh Kasiviswanathan, Sumedha Mukherjee, Sanjeev Kumar Mahto, Neeraj Sharma and Ranjana Patnaik Source Type: research

Salt Substitute Cut Disease and Death Rates in Large Trial
A randomized trial recently reported in the New England Journal of Medicine focused on an important question for older adults with high blood pressure or a previous stroke: Can switching from regular salt to a 75% sodium chloride and 25% potassium chloride substitute help protect against stroke, major cardiovascular events, or death?
Source: JAMA - October 26, 2021 Category: General Medicine Source Type: research

Phosphoproteome Analysis Identifies a Synaptotagmin-1-associated complex involved in Ischemic Neuron Injury
Mol Cell Proteomics. 2022 Mar 4:100222. doi: 10.1016/j.mcpro.2022.100222. Online ahead of print.ABSTRACTCerebral stroke is one of the leading causes of death in adults worldwide. However, the molecular mechanisms of stroke-induced neuron injury are not fully understood. Here, we obtained phosphoproteomic and proteomic profiles of the acute ischemic hippocampus by LC-MS/MS analysis. Quantitative phosphoproteomic analyses revealed that the dysregulated phosphoproteins were involved in synaptic components and neurotransmission. We further demonstrated that phosphorylation of Synaptotagmin-1 (Syt1) at the Thr112 site in cultur...
Source: Molecular and Cellular Proteomics : MCP - March 8, 2022 Category: Molecular Biology Authors: Wei Jiang Pei Zhang Peng Yang Na Kang Junqiang Liu Aihemaiti Yilixiati Haijun Tu Source Type: research

Grading of Japanese Diet Intakes by 24-Hour Urine Analysis of Taurine and Soy Isoflavones in Relation to Cardiovascular Risks
In conclusion, the higher the J score, which corresponds to Japanese dietary habits, the lower the BMI and cholesterol levels, as well as mortality rate from coronary heart disease, but the higher the average life expectancy among the Japanese. However, these higher J scorings were associated with high-salt intake and high Na/K ratios; therefore, they contributed to high blood pressure and high mortality rate caused by stroke in Japan. These results indicate that low-salt intake should be recommended to the Japanese who are consuming seafood and soy regularly in order to maintain lower blood pressure and to extend healthy ...
Source: Adv Data - July 26, 2022 Category: Epidemiology Authors: Mari Mori Miki Sagara Hideki Mori Yukio Yamori Source Type: research

Detrimental effects of transient cerebral ischemia on middle cerebral artery mitochondria in female rats
Am J Physiol Heart Circ Physiol. 2022 Nov 11. doi: 10.1152/ajpheart.00346.2022. Online ahead of print.ABSTRACTMitochondrial numbers and dynamics in brain blood vessels differ between young male and female rats under physiological conditions, but how these differences are affected by stroke is unclear. In males, we found that mitochondrial numbers, possibly due to mitochondrial fission, in large middle cerebral arteries (MCAs) increased following transient middle cerebral artery occlusion (tMCAO). However, mitochondrial effects of stroke on MCAs of female rats have not been studied. To address this disparity, we conducted m...
Source: American Journal of Physiology. Heart and Circulatory Physiology - November 11, 2022 Category: Physiology Authors: Ibolya Rutkai Ivan Merdzo Sanjay Wunnava Catherine McNulty Partha K Chandra Prasad V Katakam David W Busija Source Type: research