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Nutrition: Potassium

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High blood pressure symptoms? Avoid using this supplement to reduce hypertension
HIGH blood pressure can put you at risk of heart disease, heart attacks, stroke and heart failure. It ’s important to make changes to your lifestyle and diet to help reduce symptoms, but while adding more calcium and potassium in your diet is a positive thing, taking supplements isn’t recommended.
Source: Daily Express - Health - February 15, 2018 Category: Consumer Health News Source Type: news

An exaggerated blood pressure response to exercise is associated with the dietary sodium, potassium, and antioxidant vitamin intake in normotensive subjects.
CONCLUSIONS: These results suggest that an exaggerated SBP response to exercise was associated with the dietary sodium, potassium, and antioxidant vitamin intake in normotensive subjects. PMID: 29553836 [PubMed - as supplied by publisher]
Source: Clinical and Experimental Hypertension - March 19, 2018 Category: Cardiology Authors: Michishita R, Ohta M, Ikeda M, Jiang Y, Yamato H Tags: Clin Exp Hypertens Source Type: research

Endocrine and haemodynamic changes in resistant hypertension, and blood pressure responses to spironolactone or amiloride: the PATHWAY-2 mechanisms substudies
Publication date: Available online 11 April 2018 Source:The Lancet Diabetes & Endocrinology Author(s): Bryan Williams, Thomas M MacDonald, Steve V Morant, David J Webb, Peter Sever, Gordon T McInnes, Ian Ford, J Kennedy Cruickshank, Mark J Caulfield, Sandosh Padmanabhan, Isla S Mackenzie, Jackie Salsbury, Morris J Brown Background In the PATHWAY-2 study of resistant hypertension, spironolactone reduced blood pressure substantially more than conventional antihypertensive drugs. We did three substudies to assess the mechanisms underlying this superiority and the pathogenesis of resistant hypertension. Methods PATHWA...
Source: The Lancet Diabetes and Endocrinology - April 12, 2018 Category: Endocrinology Source Type: research

Impaired function of cerebral parenchymal arterioles in experimental preeclampsia
Publication date: Available online 26 April 2018 Source:Microvascular Research Author(s): Abbie C. Johnson, Marilyn J. Cipolla Preeclampsia (PE), a dangerous hypertensive complication of pregnancy, is associated with widespread maternal vascular dysfunction. However, the effect of PE on the cerebral vasculature that can lead to stroke and cognitive decline is not well understood. We hypothesized that function of cortical parenchymal arterioles (PAs) would be impaired during PE. Using a high cholesterol diet to induce experimental PE in rats (ePE), we studied the function and structure of isolated and pressurized PAs suppl...
Source: Microvascular Research - April 26, 2018 Category: Biochemistry Source Type: research

Control of spreading depression with electrical fields - Whalen AJ, Xiao Y, Kadji H, Dahlem MA, Gluckman BJ, Schiff SJ.
Spreading depression or depolarization is a large-scale pathological brain phenomenon related to migraine, stroke, hemorrhage and traumatic brain injury. Once initiated, spreading depression propagates across gray matter extruding potassium and other activ...
Source: SafetyLit - June 12, 2018 Category: International Medicine & Public Health Tags: Ergonomics, Human Factors, Anthropometrics, Physiology Source Type: news

Endocrine and haemodynamic changes in resistant hypertension, and blood pressure responses to spironolactone or amiloride: the PATHWAY-2 mechanisms substudies
Publication date: June 2018Source: The Lancet Diabetes & Endocrinology, Volume 6, Issue 6Author(s): Bryan Williams, Thomas M MacDonald, Steve V Morant, David J Webb, Peter Sever, Gordon T McInnes, Ian Ford, J Kennedy Cruickshank, Mark J Caulfield, Sandosh Padmanabhan, Isla S Mackenzie, Jackie Salsbury, Morris J Brown, The British Hypertension Society programme of Prevention And Treatment of Hypertension With Algorithm based Therapy (PATHWAY) Study GroupSummaryBackgroundIn the PATHWAY-2 study of resistant hypertension, spironolactone reduced blood pressure substantially more than conventional antihypertensive drugs. We did ...
Source: The Lancet Diabetes and Endocrinology - July 5, 2018 Category: Endocrinology Source Type: research

Impaired function of cerebral parenchymal arterioles in experimental preeclampsia
Publication date: September 2018Source: Microvascular Research, Volume 119Author(s): Abbie C. Johnson, Marilyn J. CipollaAbstractPreeclampsia (PE), a dangerous hypertensive complication of pregnancy, is associated with widespread maternal vascular dysfunction. However, the effect of PE on the cerebral vasculature that can lead to stroke and cognitive decline is not well understood. We hypothesized that function of cortical parenchymal arterioles (PAs) would be impaired during PE. Using a high cholesterol diet to induce experimental PE in rats (ePE), we studied the function and structure of isolated and pressurized PAs supp...
Source: Microvascular Research - July 5, 2018 Category: Biochemistry Source Type: research

Endocrine and haemodynamic changes in resistant hypertension, and blood pressure responses to spironolactone or amiloride: the PATHWAY-2 mechanisms substudies
Publication date: June 2018Source: The Lancet Diabetes & Endocrinology, Volume 6, Issue 6Author(s): Bryan Williams, Thomas M MacDonald, Steve V Morant, David J Webb, Peter Sever, Gordon T McInnes, Ian Ford, J Kennedy Cruickshank, Mark J Caulfield, Sandosh Padmanabhan, Isla S Mackenzie, Jackie Salsbury, Morris J Brown, The British Hypertension Society programme of Prevention And Treatment of Hypertension With Algorithm based Therapy (PATHWAY) Study GroupSummaryBackgroundIn the PATHWAY-2 study of resistant hypertension, spironolactone reduced blood pressure substantially more than conventional antihypertensive drugs. We did ...
Source: The Lancet Diabetes and Endocrinology - July 10, 2018 Category: Endocrinology Source Type: research

Impaired function of cerebral parenchymal arterioles in experimental preeclampsia
Publication date: September 2018Source: Microvascular Research, Volume 119Author(s): Abbie C. Johnson, Marilyn J. CipollaAbstractPreeclampsia (PE), a dangerous hypertensive complication of pregnancy, is associated with widespread maternal vascular dysfunction. However, the effect of PE on the cerebral vasculature that can lead to stroke and cognitive decline is not well understood. We hypothesized that function of cortical parenchymal arterioles (PAs) would be impaired during PE. Using a high cholesterol diet to induce experimental PE in rats (ePE), we studied the function and structure of isolated and pressurized PAs supp...
Source: Microvascular Research - July 11, 2018 Category: Biochemistry Source Type: research

ATP-Sensitive Potassium Channels and Their Physiological and Pathophysiological Roles.
Authors: Tinker A, Aziz Q, Li Y, Specterman M Abstract ATP sensitive potassium channels (KATP ) are so named because they open as cellular ATP levels fall. This leads to membrane hyperpolarization and thus links cellular metabolism to membrane excitability. They also respond to MgADP and are regulated by a number of cell signaling pathways. They have a rich and diverse pharmacology with a number of agents acting as specific inhibitors and activators. KATP channels are formed of pore-forming subunits, Kir6.1 and Kir6.2, and a large auxiliary subunit, the sulfonylurea receptor (SUR1, SUR2A, and SUR2B). The Kir6.0 sub...
Source: Comprehensive Physiology - September 16, 2018 Category: Physiology Tags: Compr Physiol Source Type: research

What Is the Evidence Base for a Potassium Requirement?
Increased intake of potassium should be promoted to reduce the risk of cardiovascular disease and stroke and to protect against bone loss, but confidence in recommended intakes depends on the strength of the evidence. All public health recommendations are considerably higher than current average intakes. Evidence on which current potassium intake recommendations for the United States, Europe, and globally have limitations. More recent evidence reviewed by the Agency for Healthcare Research and Quality affirms that more evidence is needed to define specific values for optimal potassium intakes. Potassium requirements undoub...
Source: Nutrition Today - September 1, 2018 Category: Nutrition Tags: CE Article Source Type: research

Susceptibility of the cerebral cortex to spreading depolarization in neurological disease states: The impact of aging
Publication date: Available online 15 October 2018Source: Neurochemistry InternationalAuthor(s): Péter Hertelendy, Dániel P. Varga, Ákos Menyhárt, Ferenc Bari, Eszter FarkasAbstractSecondary injury following acute brain insults significantly contributes to poorer neurological outcome. The spontaneous, recurrent occurrence of spreading depolarization events (SD) has been recognized as a potent secondary injury mechanism in subarachnoid hemorrhage, malignant ischemic stroke and traumatic brain injury. In addition, SD is the underlying mechanism of the aura symptoms of migraineurs. The susceptibility of the nervous tissue...
Source: Neurochemistry International - October 16, 2018 Category: Neuroscience Source Type: research

Rhabdomyolysis of Unknown Etiology - Initial Suspicion and Detection on 99mTc-MDP Skeletal Scintigraphy.
Authors: Kumar NS, Basu S Abstract The classical bone scan findings of Rhabdomyolysis is presented in this illustration. A 60 year old female patient with complaints of low backache and bilateral lower limbs weakness over 1 year was referred for whole body skeletal status evaluation. Whole body skeletal scintigraphy undertaken 3 hrs after I.V injection of 15 mci of 99mTc-MDP revealed bilaterally symmetrical diffuse skeletal muscle tracer activity in deltoid, lattisimus dorsi, diaphragm, paraspinal muscles, gluteus muscles and muscles of thigh. On biochemical investigations for evaluation of skeletal muscle uptake r...
Source: Journal of the Association of Physicians of India - October 22, 2018 Category: General Medicine Tags: J Assoc Physicians India Source Type: research

Functional and pharmacological analysis of agmatine administration in different cerebral ischemia animal models.
Abstract Agmatine (AgM, 100 mg/kg i.p.) effect was tested in parallel at two animal models of cerebral ischemia - rat MCAO model (60'/24 h, 60'/48 h, 90'/24 h, 90'/48 h) and gerbil global ischemia (10') model, administrated 5 min after reperfusion. Aim was to evaluate AgM effect on functional outcome 24 and 48 h after MCAO on neurological and sensor-motor function, and coordination in rats. AgM administration significantly reduced infarct volume, improved neurological score and improved post-ischemic oxidative status. Results of behavioral tests (cylinder test, beam walking test, and adhesive removal...
Source: Brain Research Bulletin - January 11, 2019 Category: Neurology Authors: Selakovic V, Arsenijevic L, Jovanovic M, Sivcev S, Jovanovic N, Leontijevic M, Stojanovic M, Radenkovic M, Andjus P, Radenovic L Tags: Brain Res Bull Source Type: research

Risk factors analysis of nosocomial pneumonia in elderly patients with acute cerebral infraction
In this study, 324 aged 70 years and over patients with ACI who were admitted to the inpatient department of TianJin First Hospital (China) from January 2012 to February 2018 were retrospectively analyzed. The patients were divided into NP group (80 patients) and non-NP group (244 patients) according to whether NP was occurred 48 hours after hospitalization. Baseline profiles and biochemical analyses were compared between 2 groups. Information regarding risk factors for NP in elderly patients with ACI was collected from all patients. Associations with NP and outcome were evaluated. Among the total patients, NP occurred ...
Source: Medicine - March 1, 2019 Category: Internal Medicine Tags: Research Article: Observational Study Source Type: research