This clinical trial is focused on studying postoperative atrial fibrillation, a common heart rhythm problem that can occur after heart surgery. The study aims to find out if a medication called Teprenone can help prevent this condition. Teprenone is taken orally in the form of granules. Another substance involved in the study is Medium-chain triglycerides (Miglyol 812N), which is used in combination with the main medication.
The purpose of the study is to see if Teprenone can reduce the chances of developing atrial fibrillation after undergoing heart surgery, such as surgery for mitral or aortic valve issues or coronary artery disease. Participants in the study will receive either the medication or a placebo, and their heart rhythm will be monitored to check for any signs of atrial fibrillation. The study will also look at how the medication affects certain proteins in the body that help protect cells from stress.
The study will take place over a period of time, with participants being monitored closely after their surgery. The researchers will use various methods to assess the effects of the medication, including checking heart rhythms and analyzing blood and tissue samples. The goal is to gather information that could lead to better prevention strategies for atrial fibrillation after heart surgery.



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