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Insulin levels are consistently related to blood pressure, obesity, and blood lipids. Insulin level correlation with sodium-lithium countertransport is limited to only one available study done in white, normotensive, predominantly normal weight women aged 45-52. The relationship between cellular sodium-hydrogen exchange activity and hypertension has been studied in rats and in a small study in humans. Correlation of this transport with weight, fasting insulin and lipid levels, and sodium-lithium countertransport was not available in 1989.
The study was cross-sectional. Subjects were stratified by weight: plus or minus 10 percent of desirable weight; 11 to 30 percent over desirable weight; and 30 percent over desirable weight; and by diastolic blood pressure: 80; 80-89; 90-99 mmHg. Blood pressure, height, weight, waist and hip girth, skinfold, fasting and post-glucose load insulin, glucose, lipids, creatinine, maximal rates of red blood cell sodium-lithium countertransport and platelet sodium-hydrogen exchange, pH, and calcium concentrations were measured. The strength and independence among these continuous variables were measured by Pearson correlations, partial correlations, and multiple regressions within each stratum, and if appropriate, over all strata. The study examined the hypotheses that: part of the relationship between obesity and blood pressure was due to insulin effects and/or lipid effects on ion transport; the relationship between ion transport and blood pressure was related to an abnormality of sodium-hydrogen exchange, for which the observed increase in sodium-lithium countertransport was a marker; increased blood pressure was related to the alteration of intracellular pH and/or calcium concentration.
Observational Model: Natural History
National Heart, Lung, and Blood Institute (NHLBI)
Published on BioPortfolio: 2014-08-27T03:57:57-0400
Human immunodeficiency virus (HIV) infection has been associated with a variety of cardiovascular diseases. Even most industrialised countries exhibit a growing and aging population of HIV...
This study evaluates the effects of different volumes of aerobic exercise training in cardiovascular parameters of patients with cardiovascular diseases enrolled in a cardiac rehabilitatio...
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To develop a comprehensive protocol for assessing cardiovascular reactivity to stressors, for use in epidemiological and clinical investigations of cardiovascular diseases in healthy popul...
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To examine the trend of cardiovascular diseases (CVD) risk factors among a Middle Eastern population with prevalent CVD during a median follow up of 12 years.
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The aim of the present study was to examine the relation between understanding of emotions and cardiovascular related diseases, namely coronary heart disease, diabetes mellitus and obesity. The unique...
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Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM.
Methods and procedures for the diagnosis of diseases or dysfunction of the cardiovascular system or its organs or demonstration of their physiological processes.
Diseases of long duration and generally slow progression. The four main types of noncommunicable diseases are CARDIOVASCULAR DISEASES (e.g., heart attacks and stroke), CANCER, chronic respiratory diseases (e.g., CHRONIC OBSTRUCTIVE PULMONARY DISEASE and ASTHMA) and DIABETES MELLITUS.
Unexpected rapid natural death due to cardiovascular collapse within one hour of initial symptoms. It is usually caused by the worsening of existing heart diseases. The sudden onset of symptoms, such as CHEST PAIN and CARDIAC ARRHYTHMIAS, particularly VENTRICULAR TACHYCARDIA, can lead to the loss of consciousness and cardiac arrest followed by biological death. (from Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 7th ed., 2005)
Dental care for patients with chronic diseases. These diseases include chronic cardiovascular, endocrinologic, hematologic, immunologic, neoplastic, and renal diseases. The concept does not include dental care for the mentally or physically disabled which is DENTAL CARE FOR DISABLED.
Women's Health - key topics include breast cancer, pregnancy, menopause, stroke Follow and track Women's Health News on BioPortfolio: Women's Health News RSS Women'...