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Browse 7,313 clinical trials for heart disease. Find studies that match your criteria and connect with research centers.
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Showing 6861-6880 of 7,313 trials
NCT00611910
The aim of this study is to compare the efficacy of drug-eluting stents and bare metal stents to reduce reblockage of bypass grafts after coronary stenting
NCT00395148
High levels of good cholesterol (HDL) in our blood decreases our chance of having a heart attack. This relates in part to the role good cholesterol plays in reducing build up of fat in the arteries. However, good cholesterol has many other protective effects. We have recently identified three enzymes (proteins) activated by HDL in cells lining the blood vessels, which may be responsible for some of HDL's protective actions.
NCT00971386
Heart failure is associated with faster breathing, which has a negative impact on the functioning of the heart. This leads to fatigue, shortness of breath, and exercise intolerance. It has been shown that when slow breathing technique was taught to patients with heart failure, they had a reduction in their sensation of shortness of breath and an improvement in their exercise performance. The study will compare the short-term effects of controlled slow breathing with biofeedback in normal healthy subjects, acute heart failure, and chronic stable heart failure. The purpose is to see if there is any change in the objective measurements of heart function while breathing at normal rates compared to a controlled slower rate.