نتایج جستجو برای: heart failure hf
تعداد نتایج: 642605 فیلتر نتایج به سال:
Cardiovascular diseases are the main death causes in modern world. Heart failure (HF) is terminal stage of most cardiovascular diseases. The prevalence HF increasing patients older age groups. At same time, number geriatric syndromes increases with age, one which malnutrition. Recent studies demonstrate mutually aggravating effect heart and malnutrition, that correction malnutrition can improve...
In this study a new minimum lumped electrical model of total circulatory system through numerical solutions to approximate the response of the human circulatory system was presented. Among five existent ventricular elastances as activity function of heart pumps, a more accurate model was chosen as well as the operation of baroreflex system to accommodate variations in heart rate and systemic va...
BACKGROUND Heart failure (HF) can be caused by left ventricular (LV) pump failure as well as by bradyarrhythmias. Hemodynamic differences between HF by LV pump failure and that by bradyarrhythmia have not been fully investigated. We hypothesized that HF by LV pump failure could be associated with both reduced cardiac output (CO) and increased LV filling pressure due to associated LV diastolic d...
BACKGROUND The recently developed and internally validated Health ABC HF model uses 9 routinely available clinical variables to determine incident heart failure risk. In this study, we sought to externally validate the Health ABC HF model. METHODS AND RESULTS Observed 5-year incidence of heart failure, defined as first hospitalization for new-onset heart failure, was compared with 5-year risk...
UNLABELLED Heart failure is a prevalent debilitating disease of poor prognosis in which heart cannot fill with or eject the sufficient amount of blood that is required due to structural or functional cardiac disorder. Depression is 4-5 times as common in heart failure (HF) patients as in the general population, and it might confer a higher risk of developing HF and negatively affect prognosis i...
introduction: we aimed at evaluating the clinical, laboratory and echocardiography effects of intracoronary administration of autologous bone marrow stem cell transplantation in different clinical entities of chronic heart failure (hf) patients. methods: this procedure was carried out during an interventional study conducted in the cardiology department from jan 2012 to apr 2013. the hf patie...
Heart failure is a major public health problem especially in the aging population (≥65 years old), affecting nearly 5 million Americans and 15 million European people. Effective management of heart failure (HF) depends on a correct and rapid diagnosis. Presently, BNP (brain natriuretic peptide) or N-terminal pro-brain natriuretic peptide (NT-proBNP) assay is generally accepted by the internatio...
Heart failure (HF) continues to impose a major public health burden.1 Whereas considerable improvements in HF treatment have resulted from clinical trials, epidemiological investigations complement clinical trials by enhancing our ability to identify individuals at risk and, in turn, facilitate the development of interventions aimed at the primary prevention of HF. Accordingly, there have been ...
In the 45to 74-year-old group of the Framingham Study,1 heart failure (HF) was twice as common in diabetic men and five times more common in diabetic women as it was in nondiabetic subjects and in patients under age 65. HF was fourfold higher in diabetic males and eightfold higher in diabetic females. In a health maintenance organization of almost 10,000 type 2 diabetic subjects, 12% initially ...
Background: The recently developed and internally validated Health ABC HF model uses nine routinely available clinical variables to determine incident heart failure risk. In this study, we sought to externally validate the Health ABC HF model. Methods and Results: Observed 5-year incidence of heart failure, defined as first hospitalization for new onset heart failure, was compared with 5-year r...
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