Effects of Moxonidine on the Sympathetic Nervous System, Blood Pressure, Plasma Renin Activity, Plasma Aldosterone, Leptin, and Metabolic Profile in Obese Hypertensive Patients
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I1-imidazoline agonist moxonidine decreases sympathetic nerve activity and blood pressure in hypertensives.
Moxonidine is an I1-imidazoline receptor agonist that reduces blood pressure in hypertensives. Experimental data suggest that moxonidine inhibits central sympathetic activity. However, whether such a mechanism is involved in vivo in humans is still unclear. We investigated the effects of 0.4 mg moxonidine orally on muscle sympathetic nerve activity and heart rate in an open study in 8 healthy v...
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Hypertension resistant to 2 antihypertensive drugs is more common among obese patients than among lean patients. The case we describe and the observations we report suggest that refractoriness among obese hypertensives is frequently caused by obstructive sleep apnea and/or inappropriately high plasma aldosterone levels. In other words, obese hypertensives may have sleep apnea, obese hypertensiv...
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This study examines factors modulating blood pressure reduction in obese patients undergoing weight reduction on a low calorie protein diet. Plasma norepinephrine (NE) was correlated (r = 0.65, p less than 0.01) with blood pressure in 20 obese patients prior to weight loss. Reductions in blood pressure levels following upright posture and isometric handgrip exercise were related to reduction in...
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Abstract Background and Objective: Metabolic syndrome called a cluster of several metabolic disorders is associated with increased risk of cardiovascular diseases. Genetic differences in leptin receptor gene are related with the concentration and activity of leptin in that these discrepancies can influence lipid levels. We aimed to determine the association between the leptin receptor gene p...
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Renin-angiotensin and sympathetic nervous system activity were evaluated in grade school children selected from the upper 0.26% and lower 5% of the blood pressure distribution constructed from a survey in the Minneapolis Public Schools. Eleven children from the upper 0.26% group and 19 children from the lower 5% group were admitted to the Clinical Research Center for 5 days and maintained on a ...
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