View clinical trials related to Heart Diseases.
Filter by:The purpose of this study is to compare the response to aspirin in the acute phase with the late phase of an acute coronary syndrome.
The purpose of this study is to determine Isoflurane's dose-dependent effect on left ventricular (LV) systolic function in cardiac surgery. The change of tissue Doppler imaging (TDI) of lateral mitral valve annular systolic velocity at three different isoflurane concentrations would be analyzed by using intraoperative transesophageal echocardiography (TEE) in cardiac surgery patients.
In this prospective study, a newly developed self-expanding nitinol stent is evaluated for the treatment of atherosclerotic lesions in the superficial femoral artery and proximal popliteal artery.
The study will investigate the cardiovascular effects of sildenafil on patients with Fontan circulation. Recent studies suggest that sildenafil may improve exercise in patients with Fontan circulation. However, why this occurs is not known. The study will used specialized catheters to measure pressure and volume. The measure of pressure and volume leads to more detailed analysis of heart function. Patients will receive either sugar pill or sildenafil prior to catheterization. It is believed that sildenafil will improve relaxation and contraction of the heart.
This study was advocated by Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences in January 2013. It was funded by China major scientific and technological specialized project for 'significant new formulation of new drugs'. DanshenDuofensuanyan is kind of Chinese Medicine injection used for treating coronary heart disease and angina pectoris in many Chinese hospitals. The purpose of this study is to determine adverse drug events or adverse drug reaction in large sample size 30,000 patients.
Infants with congenital heart disease have more frequent infections and exposures to antibiotics than healthy infants. The investigators hypothesized that synbiotics may reduce the rate of sepsis and necrotizing enterocolitis in infants with CHD
The overall hypothesis of this study is that a cardiac rehabilitation program with meditation will be more effective than cardiac rehabilitation alone in improving blood flow through the diseased coronary arteries in African Americans. For this purpose, 56 African American men and women with coronary heart disease will be randomly assigned either to standard cardiac rehabilitation plus the Transcendental Meditation program or to standard cardiac rehabilitation alone. The treatment period will be 12 weeks in length.
Background: - Rates of diabetes and heart disease in women are increasing. Early recognition of risk could help women live longer and healthier lives. Race and ethnicity may affect the best kinds of tests to use to screen for these conditions. Researchers want to compare risk factors for diabetes and heart disease in African, African-American, and white women. Doing so may help identify the most effective screening test for each group. This study will look at healthy African, African-American, and white women who are federal employees and contractors. Objectives: - To study risk factors for diabetes and heart disease in African, African-American, and white women. Eligibility: - Healthy African, African-American, and white women between 30 and 65 years of age who are federal employees or contractors. - For this study, African women must be born in Africa and have immigrated to the United States, and report that both parents are Africans. African-American women must self-identify as African-Americans, born in the United States, and have parents who both self-identify as African-American born in the United States. White women must self-identify as white and have parents who also self-identify as white. Design: - Participants will have four visits to study their risk factors for diabetes and heart disease. - The first visit is a screening visit. Participants will be screened with a physical exam and medical history. Blood and urine samples will be collected. They will also have an EKG test. Participants will also be shown how to fill out a 3-Day Food Record and wear an activity monitor called an accelerometer. The food record will keep track of how much participants eat for 3 consecutive days, including 1 non-working day. The accelerometer device will be worn for 3 days to monitor movement. - At the second visit, participants will have blood tests, an oral glucose tolerance test, and body fat measurements. They will also fill out questionnaires, review the food record, and have two imaging studies. - At the third visit, participants will have a longer glucose tolerance test. During the test, participants will receive both glucose and insulin and blood samples will be collected over several hours. Participants will receive lunch at the clinical center after the test. - At the fourth visit, participants will have a meal test. They will fast for 12 hours before the test. Participants will eat a specific meal and have blood samples taken during and after they eat. - Participants will discuss the results of these tests with the study doctors.
The purpose of this study is to characterize changes in gene and protein expression in peripheral blood in patients with, or at risk for, heart disease during an intensive lifestyle modification program.
Coronary heart disease is a very common condition caused by narrowings in the blood vessel supplying the heart. the investigators are studying new tests to diagnose heart disease. In this study the investigators plan to investigate a special scan called a PET/CT (Positron emission tomography/computed tomography) and a new type of CT (Computed tomography) scan to tell us about the flow of blood to the heart muscle.