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The studies had several interrelated themes. One was to explore the relationships between environmental stress and blood pressure over a range of time courses, with acute laboratory studies at one extreme, and long- term prospective studies at the other. The basic model of stress included three elements: the objective nature of the stressor, the individual's perception of it, and his or her physiological susceptibility. This model incorporated elements of the Karasek Job Strain model and the Frankenhaueser effort-distress model, with two components corresponding to demand and control. A third dimension was social support. These models were tested under both laboratory and field conditions. Blood pressure was the main dependent variable, together with structural changes in the heart and carotid arteries. Five projects were included. Project l evaluated the ability of ambulatory blood pressure, and blood pressure variability, to predict cardiovascular morbidity, and also included a cross-sectional study comparing the relationships between blood pressure and target organ damage in Black and white individuals. The hypothesis that white coat hypertension is a condition associated with lower risk than sustained hypertension was also tested. Project 2 prospectively evaluated the effects of job strain and social support on blood pressure and other outcome variables in a working population. Project 3 studied psychosocial and hormonal factors influencing diurnal variations of blood pressure in women, including the changes associated with menstruation and the menopause. Project 4 assessed within-subject changes of blood pressure in subjects exposed to changing levels of occupational stress over two months. Project 5 examined the conceptual models of job strain, social support, and white coat hypertension in controlled laboratory conditions.
The study was renewed in FY 1998 and in FY 2003 to continue follow-up and analysis.
National Heart, Lung, and Blood Institute (NHLBI)
Published on BioPortfolio: 2014-08-27T03:57:53-0400
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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...
To develop a comprehensive protocol for assessing cardiovascular reactivity to stressors, for use in epidemiological and clinical investigations of cardiovascular diseases in healthy popul...
The Silesian Cardiovascular Database is an observational study of all patients hospitalized due to cardiovascular diseases. The date include information on the clinical characteristics, tr...
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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.
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.
Blood pressure levels that are between normotension and hypertension. Individuals with prehypertension are at a higher risk for developing cardiovascular diseases. Generally, prehypertension is defined as SYSTOLIC PRESSURE of 131-139 mm Hg and/or DIASTOLIC PRESSURE of 81-89 when the optimal is 120/80 mm Hg. For diabetics and other metabolism diseases the prehypertension is around 110-129/70-79 mm Hg.
Nephrology - kidney function
Nephrology is a specialty of medicine and pediatrics that concerns itself with the study of normal kidney function, kidney problems, the treatment of kidney problems and renal replacement therapy (dialysis and kidney transplantation). Systemic conditions...
Cardiovascular disease (CVD)
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Stress is caused by your perception of situations around you and then the reaction of your body to them. The automatic stress response to unexpected events is known as 'fight or flight'. Discovered by Walter Cannon in 1932, it is the release of h...